Weather Satellite Imaging

In this post I will briefly show my portable 137 Mhz receiver that can receive clear images from both NOAA and Russian Meteor Imaging Satellites using a 120 Degree horizontally polarized V-Dipole and an RTL-SDR.

 

The Receiver

Meteor M2 Captures

NOAA Captures

 

Updated: July 4, 2019 — 4:55 pm

RTL-SDR Radio Adventures

RTL-SDR Radio Adventures

The  RTL-SDR is a TV Dongle that is used to pick up digital TV. Using a feature on the chip called I/Q sampling, it is possible to tune to pretty much any frequency between 22mhz and 1200mhz. With a filter tuning to frequencies lower than 22mhz is also possible.

 

During my attempts, I have used everything between paperclip, to a long wire, to dipole antennas. I dealt with weird interference patterns that made tuning into weaker signals hard.

Interference within 1090MHZ while looking for aircraft transponders

For Aircraft Transponders I used a dipole with the current length for the frequency. I didn’t do any calculations as the majority of people have found two 7.5cm antennae in a dipole configuration give good results.

This write up is in progress.

Picking up passive aircraft ADS-B Transponder signals

Listening to ATC/Air Traffic.

 

Android support for SDR Driver

 

 
Data collected from a 11.5cm vertical dipole outside my house in San Diego.

Created using modified code from https://github.com/JorgeGT/PlotRTL1090.
 

 

Updated: August 20, 2019 — 7:58 pm

News reporter IRC log of the Russian revolution

<IDFradio> Natto officials: Emergency meeting to take place 
   soon. (Roiters (sp?)).  Soviet armed forces commander in 
   the eastern republics: Soviet army is in full control.  
   Soviet TV still broadcasts movies and music.....
<DJ> [ More way long news ... ].    The following is the 
   full text of the state-of-emergency committee's.  
   resolutions:    ''With a view to protection the vital 
   interests of the peoples and.  citizens of the USSR and the 
   country's independence and terrotorial integrity,.  
   restoring law and order, stabilising the situation, 
   overcoming the gravest.  crisis, and preventing chaos, 
   anarchy and a fratricidal civil war, the.  state committee 
   for the state of emergency in the USSR resolves:    ''1. 
   All bodies of authority and administration of the USSR, 
   union.  and autonomous republics, territories, regions, 
   cities, districts, villages.  and settlements should ensure 
   unfailing compliance with state-of-emergency.  regulations 
   in keeping with the USSR law 'on the legal regime of a 
   state.  of emergency' and with the state committee for the 
   state of emergency's.  resolutions. In the event of their 
   inability to ensure the observance.  of these regulations, 
   the powers of the respective bodies of authority.  and 
   administration are to be suspended, with their functions to 
   be exercised.  by officials specially appointed by the 
   state committee for the state.  of emergency.    ''2. To 
   immediately dismantle the structures of power, 
   administration.  and militarised units acting contrary to 
   the constitution and laws of.  the USSR.    ''3. To regard 
   the laws and decisions by bodies of power and 
   administration.  that run counter to the constitution and 
   laws of the USSR as being henceforth.  invalid.    ''4. To 
   suspend the activities of political parties, social 
   organisations.  and mass movements that prevent the 
   normalization of the situation.''.   12:50 PM EDT.  Dow 
   Jones 12 30 pm Averages: DJIA 2910.55 Dn 57.47.  Dow Jones 
   1 pm Averages: DJIA 2907.65 Dn 60.37 (EDT)
<IDFradio> Sec.Gen. UN (on vacation): Worried about the 
   developements in the USSR, hopes international policies as 
   well as internal progress do not suffer.  French President: 
   Demands democratization processes in USSR continue, 
   Gorbachev and Yeltzin remain unharmed.
<DJ> [ More of that state of emergency resolution ].  [ in 
   a bit ].   ''5. In connection with the fact that the state 
   committee for the.  state of emergency in the USSR 
   temporarily assumes functions of the.  USSR security 
   committee, the activity of the latter is suspended.   ''6. 
   Citizens, institutions and organizations should hand in 
   without.  delay all types of fire-arms, munitions, 
   explosives, military.  hardware and equipment in their 
   unlawful possession. The interior.  [...].   ''7. The 
   prosecutor's office, the interior ministry, the KGB and the.
     defense ministry of the USSR should organize effective 
   interaction.  of law-enforcement bodies and the armed 
   forces to ensure protection.  of public order and security 
   of the state, society and citizens in.  accordance with the 
   USSR law ''on the legal regime of the state of.  
   emergency'' and resolutions of the state committee for the 
   state of.  emergency in the USSR.    ''Rallies, street 
   marches, demonstrations and strikes are not.  allowed.  [...
   ].    ''8. To establish control over the mass media,
   entrusting it to an.  agency specially set up under the 
   state committee for the state of.  emergency.  [...]
<Tiger> Finnish TV reports soviet troops being flown into 
   Estonia all day long. More military flights are rumoured 
   during the night.
<DJ>   PARIS -AP- President Francois Mitterrand urged the 
   leaders of the.  right-wing coup in the Soviet Union to 
   guarantee ''life and liberty''.  for Mikhail Gorbachev and 
   Boris Yeltsin, suggesting they will be.  judged harshly if 
   they do not.   1:43 PM EDT.  Dow Jones 2 pm Averages: DJIA 
   2906.08 Dn 61.94.  Dow Jones 2 30 pm Averages: DJIA 2900.72 
   Dn 67.30 (EDT).    WASHINGTON -DJ- The State Department 
   took a wait-and-see attitude.  on whether the Soviet Union 
   will continue along the same line in.  its reform efforts.  
     ''I think we'll have to see what happens,'' said State 
   Department.  spokesman Richard Boucher, when asked whether 
   the U.S. believes.  Soviet statements that the new 
   leadership will continue economic,.  political and social 
   reforms.  2:14 PM EDT.    UNITED NATIONS -DJ- Secretary-
   General Javier Perez de Cuellar said.  he hoped the coup in 
   the Soviet Union wouldn't lead to violence or.  civil 
   strife and wouldn't derail democracy in Eastern Europe.    
   In a written statement issued from Portugal, where he is on.
     vacation, the U.N. chief expressed surprise and concern 
   over the.  ouster of Soviet President Mikhail Gorbachev. He 
   emphasized the.  importance of the Soviet Union respecting 
   all of its international.  obligations.
<CNN> CNN news, signing on.  Soviet leaders still claiming 
   that Gorbachev is "ill">.  One leader even suggested that 
   they would let him re-take control if/when he got "better". 
    Yeltsin and the Russians seem to intend to separate the 
   Russian government from the main government if they try to 
   take over.
<DJ>  Scowcroft Rules Out U.S. Military Involvement In USSR 
   (2:56 PM EDT)
<Potato> CNN signing off.
<Swe-TV> Swedish TV: 10 tanks rumoured travelling towards 
   the Russian Parliment to defence it. General Gorbunov has 
   taken control over the Baltic states. 300 paratroopers 
   landed in Tallin.  Kadaffi (sp?, Libya) and Saddam Hussein 
   praises the new government.  Sovjet TV program "Vremja" did 
   show pictures of the people doing resistans in Moscow!  
   Sjevardnaze and Jakov (?) supports Jeltsin.  Strike in the 
   coal mines in Russia, Jeltsin claims he has taken control 
   of the KGB and the military in the Russian state.  Janajev 
   claims widespread support for his/their takeover.  Janajev 
   calls Jeltsin "irresponsible".
<DJ>  Dow Jones 3 30 pm Averages: DJIA 2900.49 Dn 67.53
<Swe-TV> Sovjet security force has taken control over 
   internal (state) affairs department, city council and the 
   TV-hous in Riga.  Telephone connections to Vilnius stopped.
<DJ> Dow Jones Closing Averages: DJIA 2898.03 Dn 69.99 (4:
   34 PM EDT).    BONN -AP- A Berlin daily newspaper reported 
   that 20,000 Red Army troops.  in former East Germany will 
   be shipped back to the Soviet Union this.  week to 
   reinforce troops in their homeland.   The newspaper 
   ''Super'' said it got the information from a ''high-ranking.
     KGB officer'' at Red Army headquarters in Wuensdorf, near 
   Berlin.    It quoted the unidentified officer as saying: 
   ''We have orders from.  Moscow. We are mobilizing.''.    
   Super telexed its report to other news organizations in 
   advance of.  Tuesday's publication.  |  Another newspaper, 
   the respected daily Die Welt, reported in its Tuesday.  
   editions that Red Army troops in eastern Germany had been 
   placed on a.  ''heightened state of alert.''.    Neither 
   report could be confirmed. 4:19 PM EDT.  tell zohad Frankly,
    when it comes to world politics...American IRC users make 
   the US look immature...  (oops (blush)).    WASHINGTON -AP- 
   The U.S. military has observed no activity on the.  part of 
   Soviet strategic military forces threatening to the West.  
   since the overthrow of Mikhail Gorbachev, Pentagon 
   officials said.    U.S. forces were not placed on a 
   heightened state of alert, Bush.  told reporters, and 
   Powell kept an appointment for a routine.  physical exam at 
   Walter Reed Army Medical Center in Washington on.  this 
   morning. 5:00 PM EST
<Terence> "YES or NO"
<JohnPC> A few minutes ago all israeli IRC suddenly stopped.
    Normal Internet connections to israel are still 
   functioning correctly. This might very well be the end of 
   israeli IRC
<Dae> I see only two chanops active here.  Is anyone 
   actually reporting?  +o gnarfer
<gnarfer> I have some information that was dumped to #NEWS. 
   I'll dump it here.  It's about 64 lines long.  From: 
   bacon@mtu.edu (Jeff Bacon)
<gnarfer>
<gnarfer> posted to firearms-politics mailing list.  (to 
   subscribe, email to firearms-politics-request@cis.ohio-
   state.edu)
<gnarfer>
<gnarfer> *** begin text ***
<gnarfer>
<gnarfer> The State of Emergency Committee has adopted its 
   first decision.  It.  says that to safeguard the vital 
   interests of the nations and.  citizens of the Soviet Union,
    its independence and territorial.  integrity, to restore 
   legality, law, and order, to stabilize the.  situation, to 
   overcome the harsh crisis, and to prevent chaos,.  anarchy, 
   and a fratricidal civil war:  The State of Emergency.  
   Committee authorizes all bodies of power and administration 
   to see.  that the state of emergency is strictly observed.  
   In the event of.  inability to insure compliance with the 
   state of emergency, the.  powers of appropriate bodies of 
   government and administration are.  suspended, and their 
   functions are delegated to the persons.  specially 
   authorized by the State of Emergency Committee.  The.  
   decision says that the structures of power and 
   administration and.  the paramilitary units acting against 
   the U.S.S.R. Constitutional.  laws are to be disbanded 
   immediately.  It dismisses as invalid the.  laws and 
   decisions of the bodies of power and administration running.
     counter to the U.S.S.R. Constitutional laws.  The 
   decision suspends.  activities by the political parties, 
   public organizations, and mass.  movements obstructing the 
   normalization of the situation.  Citizens,.  institutions, 
   and organizations are urged to hand in without delay.  all 
   firearms, rounds of ammunition, explosive devices, and 
   military.  hardware they illegally possess.  Meetings, 
   street processions,.  demonstrations, and strikes are 
   prohibited.  Media are put under.  control.  A body being 
   especially set up [sic; "by" is absent] the.  State of 
   Emergency Committee is to implement this control.  The.  
   bodies of power and administration, the leaders of offices 
   and.  enterprises are to adopt measures to organize work 
   teams better to.  restore order and discipline in all 
   spheres of life and society.  The decision urges insuring 
   the normal functioning of enterprises in.  all the branches 
   of the national economy.  It calls for fighting.  
   resolutely against black marketeers, and start legal and.  
   administrative proceedings on facts of corruption, 
   embezzlement,.  second-hand dealing, the concealment of 
   goods for sale, economic.  mismanagement, and other abuses 
   in the sphere of economy.  The.  decision urges removing 
   any restrictions obstructing the movement of.  food and 
   consumer goods across the U.S.S.R.  Special attention is to.
     be paid to the supply of goods in the first place to 
   preschool.  children centers, kindergarten schools, 
   specialized secondary and.  higher education establishments,
    hospitals, pensioners, and disabled.  persons.  The 
   decision expects proposals to be made within a week on.  
   how to put into order, freeze, and reduce the cost of some 
   consumer.  goods and foodstuffs mainly for children, public 
   and catering.  services, how to raise wages, pensions, 
   allowances, and.  compensations for various categories of 
   citizens.  In view of the.  critical situation with 
   harvesting and the threat of famine, the.  decision urges 
   adopting special measures to procure, store, and.  process 
   crops, and help farmers as much as possible.  The decision. 
    obliges the bodies of power and administration in the 
   center and.  locally to pay prime attention to the 
   population's social needs: to.  search for possibilities to 
   significantly improve free medical.  service and education. 
    That was the first decision issued by the.  State of 
   Emergency Committee.  [Recorded from Radio Moscow World.  
   Service on 17695.2 MHz 20:20 UTC 19 August 1991]
<gnarfer>
<gnarfer> *** end text ***
#Jupiter# Public Service Announcement: Irc nick plyfd is 
   playing games with bradenville users... If you have a /on 
   notice "plyfd *" $2- in your /on list, type /on notice -
   "plyfd *"...  That command will allow plyfd to make your 
   client issue commands
#for# Next...
<WDR> test.  Good morning... radio news headlines from WDR, 
   Westdeutscher Rundfunk (West German Broadcast) from 9 
   o'clock local time.  After a calm night the new government 
   tends to more pressure and a.  +harder line, especially 
   against the baltic states and Leningrad.  A large number of 
   tanks is heading towards Leningrad.  The baltic governments 
   prepare for exile governments.  Workuta workers are on 
   general strike.  In Kusnez are 20 of 100 coal mines on 
   strike.  Soviet media now under complete censorship.  Only 
   one official line in newspapers.  Only one program lacking 
   any information on TV.  Bush demands return of Gorbachev to 
   power.  Bush warned to put off Baltic governments.  Bush 
   will not support any economical programmes.  *Cameron* have 
   there been any deaths or fighting, or anything related to.  
   +Yeltsin or the Russian Federal Parliament?  -> *cameron* 
   No. Yesterday in the evening there were warning shots into 
   the.  +air.  *Cameron* in the Baltics?  -> *cameron* No, in 
   Moscow.  -> *cameron* It was said in the early moring that 
   the new government did show.  +patience to Yeltsin 
   yesterday, but will go on a harder line today.  
   Correspondent from Moscow:  Strike in Workuta and in 
   Central Sibiria (Kusnez).  26 mines (ca. 50%) on strike.  
   'strike will last until new govnmtnt resigns'.  janayev 
   called energy sector as absolutely vital for the state.  in 
   white russia the opposition is forming itself.  New message:
    Yeltsin will put ultimatum on new government.  Yeltsin 
   stayed in the russian parliament during the night.  slept 
   for 2 hours only
<Dae> Scof: I hve my screen split up into 2  80X12 screens..
    that is nast..
<Lanzecki> CNN Radio: 5 coal mines are closed down in 
   strike, as called for by Yeltsin.
<Robert> All over Moscow roadblocks being setup by people 
   to stop further tank movements
<WDR> [sorry... couldn't listen to the 10 am news... was 
   disturbed by a human asking me how to implement random 
   generators :-(]
<Robert> 10 Tanks and 250 paratroopers defected to 
   Yeltsin's side.  Source - Not sure...Channel 9 in OZ 
   sourcing soneone else.  Tanks 90km from Leningrad and 
   heading in - source tsh vis Finnish Radio
<Scofield> Stock exchange index update... Closing averages :
     Helsinki -3.59%; Tykyo -6%; Hong Kong -7.42%; Sydney -4.
   1%; Taiwan -4.1%; Frankfurt -9.4%
<Robert> In hours before dawn - several tanks and armoured 
   cars joined Teltsin and protected the parliment
<Scofield> Frankfurt days lowest -11%
<Robert> Tanks still rolling in to Moscow.  Yeltsin told 
   KGB and army to obey his orders and ignore orders from coup 
   members.  A Lt Colnel told crown he would no obery orders 
   to shoot people.  I mean crowd.  Unconfirmed report of 
   explosion in Abzerbjan
<complx> where can i get a status report of the action as 
   ascii file ? i can send it to a moscow host !
<Scofield> Yeltsin wants to meet Gorba, and wants to have 
   him under medical examination during next 3 days ...  
   Mining strike covers majority of coal mines
<muts> Military commander of south-Moscow, supporter of 
   Yeltsin who sent.  the tanks to defend gim, has been 
   arrested.  the tanks to defend gim, has been arrested
<Scofield> Oil-industry won't join to Yeltsins General 
   Strike ...
<muts> source: RIA (Russion press agency)
<Scofield> 30 of 180 armed vehicles heading to Tallinn "has 
   broken in border"
<Robert> Russian parliment surrounded by Yeltsin supporters.
     Blockades around it made of overturned trucks and barbed 
   wire and anything they can find
<Scofield> Finn-sov travel agency (main gateway to SU) has 
   gone to bankrupcy
<Robert> Troops currently not acting against protesters
<muts> EEC just announces demands that Gorbatschov is put 
   back in power
<Scofield> source : Finland Radio - Noon news.  Armed 
   vehicles and army units continue going toward Leningrad.  
   Baltia is under complete army control
<dodo> Viktor Alsnis' solution to the problems of ussr:     
        1. Remove Mikhail Gorbachev from the presidency.       
      2. Abolish the presidency altogether.          3. Create 
   a "Committee of National Salvation.".          4. Outlaw 
   all polical parties--including the Communist Party.         
    5. Grant the rpublics a limited degree of autonomy--but 
   only.             within the framework of a strengthened SU.
    Permit no secession.          6. Crush all secessionist 
   movements--with force if necessary.          7. Crack down 
   on all political movements and suppress all.             
   political debate, discussion, and dissent.          8. 
   Install a private market economy--at bayone-point if 
   necessary.          9. Then, and only then, make a 
   transition to multiparty.             democracy and freedom 
   of expression.        10. Rebuild the Soviet military to 
   restore the reunified USSR.             to superpower 
   status in the world.  Alsnis is a hard-line communist.  
   that statement was made 3-4 months ago on the World Monitor.
     (source: talk.politics.soviet
<Scofield> Finland Radio :  Armed vehicles have just 
   arrived to Tallinn.  Tallinns' council will make their 
   decision abt General Strike in meating starting 4 pm GMT + 
   4.  Estonian Peoples Body will have major meeting starting 
   5 pm GMT + 4
<muts> 20.000 demonstrators at the russian parliament now
<Scofield> Paratroop unit has joined Yeltsin; Unconfirmed 
   info is that one whole unit had turned to Yeltsin.  Moscow 
   city consil will try to stop armed vehicle colonna movin 
   toward
<tsh> Gorby has been brought to moscow late last night
<Scofield> Gorbys presense in Moscow has been confirmed by 
   commitee.  source : Finnish Radio.  Gorby was flied to 
   Moscow from Army Base in Crimi
<Yad> Thousands of demonstrators in Leningrad (unconfirmed).
     Armed forces approaching Kiev (unconfirmed).  last two 
   items: IDFradio.
<dodo> IDFradio == Israeli defence force radio ?
<tiger> Approximately 180 armoured vehicles and tanks are 
   on their way to Leningrad, where a crowd of 100 000 people 
   is said to have gathered to demonstrate. Source: Finnish TV.
     The tanks are said to have left from KGB's division in 
   Vitebsk, and from the army's division in Pskov.  In moscow, 
   the number of tanks protecting the Russian Federation 
   Parliament building is said to be 40.
<IDFradio> TASS: Starting tomorrow, USSR citizens will not 
   be able to buy foreign currency.  Associated Press: Jenajev 
   confirmes: Gorbachev in Moscow.
<tiger> The Mayor of Leningrad, Anatolyi Sobtjak, condemns 
   the takeover and urges the people to civil disobedience.
<IDFradio> Japanese Prime Minister: USSR situation 
   intolerable.
<tiger> The EC now plans to cut support for the USSR. 
   Source CNN.
<IDFradio> Associated Press: Last item mistaken - no 
   confirmation by Jenajev as to Gorbachev being in moscow.
<tiger> AP now reports that Yanayev has denied rumours of 
   Gorbachev's presence in the Kremlin. He says that Gorbachev 
   is still at his vacational residence at the Crimean Sea, 
   suffering from high blood pressure. Judge for yourself!
<Scofield> Gorbas' ilness is "high blood pressure" - AP.  
   All telephone, air and sea connection are operative again, 
   but cause telephone overload placing call will take 2 to 3 
   hours ...
<IDFradio> 200,000 citizens in Leningrad streets! 50,000 in 
   Moscow.  Leningrad citizens led by Mayor. Tanks approaching 
   Leningrad.  almost no violence as yet.
<ARD>  AP: withdraws reports that indicate gorbachev is in 
   moscow.   AP: gorbachev still on the isle of krim
<IDFradio> Jewish immigration from USSR to Israel continued 
   as usual today. Russian immigrants in Israel worried about 
   relatives in USSR.
<Radio_ffn> It was said on radio that Gorbachev perhaps 
   meets leaders of some soviet republics soon
<ARD> gorbachev probably allowed to meet heads of 
   parliament of the russian FSR
<IDFradio> Dollar dropping: 1UDS=1.802DM ( 1USD=1.82DM 
   yesterday)
<tiger> Stock market recovering somewhat from the worldwide 
   dip yesterday. CNN.
<IDFradio> Australia: cuts USSR credit. Makes clear that 
   cold war is no longer acceptable.  MMouse (australian, on 
   IRC): Australia also cuts aid and communications with USSR 
   parliament, Hawke says he is only interested in talking to 
   Gorbachev.
<tiger> Soviet troops invaded radiostation in Riga, Latvia. 
   Broadcasting ceased at about 0400 this morning. According 
   to Latvian sources, one person died and another was injured,
    when the army opened fire against a small bus, that was 
   trying to get through to.  an area closed off by soviet 
   forces.
<IDFradio> Confirmation about 1 dead, 1 injured (somewhat 
   old news....)
<tiger> Source: Finnish TV.
<IDFradio> weather in Moscow: rain & cloudy....
<ARD> BTW, for those who are interessted: the several 
   statements that were published by yeltsin and others on the 
   matter of the turnover of gorbachev can be read in Usenet 
   Newsgroup talk.politics.soviet
<dodo> On MPR the director of "Connect US-USSR" said there 
   is already vodka on.  the shelves and food.  Did the hard-
   liners hold back these goods?  I.  have heard many times 
   that they have been.  This would passify many people!  
   source: talk.politics.soviet
<WDR> News from WDR, 1.00 pm local time:  In the SU the 
   resistance starts to form itself against the new rulers.  A 
   correspondent from Moscow told that obviously parts of the 
   army share the position of yeltsin and the people.  Public 
   protest raises.  Especially younger people are not prepared 
   to follow the new government.  In Moscow ca. 50,000 people 
   are demonstrating and support Yeltsin.  Yeltsin demands in 
   a letter to the soviet parliament president to meet with 
   Gorbachev within 24 hrs.  Gorbachev is supposed to be still 
   in a holiday home on Crim.  Maybe Gorbachev will meet 
   leading members of the parliament today.  A large number of 
   mine workers is on strike.  The army shows its power with 
   massive movement of troops.  The situation in the baltic 
   states is tensious [can one say 'tensious'?]
<IDFradio> Moscow radio: Jenajev issued order prohibiting 
   Leningrad residents to resign their jobs.
<Radio_ffn> Radio ffn one o'clock-news:
<WDR> President Bush condemned again the inconstitutional 
   use of violence in the USSR.  He warned the combination of 
   military and party to remove baltic governments.
<Radio_ffn> about a dozen russian tanks are in front of the 
   russian parliament to protect Yelzin
<WDR> There will be no economical aid from the US until the 
   constitutional order is errected again.
<Radio_ffn> --> more see WDR
<WDR> *end_of_news*
<IDFradio> TASS: Starting tomorrow, USSR citizens seeking 
   to leave the country will not be able to buy foreign 
   currency.
<ARD> not very many people follow yeltsinst(xDcall for 
   strike and protest.  OPINION: There is obviously to much 
   information leaving the ussr. this indicates that the junta 
   probably has no effective controll over the media. TASS 
   seems to have published yeltsins bulletins yesterday.  
   soviet soldiers in germany: soldiers in germany are not 
   allowed to have radios capable of having western programmes.
   ..  (soviet soldiers, of course)
<Scofield> Officers Guarding Estonia are moving to local 
   army bases
<ARD> soviet soldiers (continued)... up to 70% of the 
   soviet soldiers support Gorbachev. The problem are the old 
   officers
<Scofield> Official statue of Yeltsins movement is huge 
   rocket shaped balloon in the top on parliament.  Tank 
   colonna has stopped outside of Leningrad, there is no 
   information abt its further movements...  Gorbas ilness is 
   officially defined as "high blood pressure and bad back".  
   Radio City News, Helsinki (source)
<ARD> situation in moscow still not totally clear. some of 
   the soviet military has change to yeltsins side, but the 
   most of them just wait and see.
<IDFradio> Israeli Defence Forces Radio 14:30 news update:  
   TASS: Starting tomorrow, USSR citizens seeking to leave the 
   country will not be able to buy foreign currency.  
   Demonstrators in Moscow and Leningrad:  Demand restoration 
   of former government and the return of Gorbachev.  The USSR 
   army in Estonia may refuse to use force against civilians.  
   * that's all from IDF *
<Scofield> Demos.su (SU uucp connection backbone to 
   internet) is still live and polling... Latest poll to fuug.
   fi started 14:33 local...  demos.su (uucp backbone of su 
   internet connection) is still alive and polling. Latest 
   poll on @fuug.fi started at 14:33 pm local
<dodo> PLEASE STOP FLOODING THE ONLY NARROW CHANNEL WITH 
   BOGUS MESSAGES.  WITH SILLY QUESTIONS. NOTE THAT IT'S 
   NEITHER A TOY NOR A MEAN TO.  REACH TO YOUR RELATIVES OR 
   FRIENDS. WE NEED THE BANDWIDTH TO HELP.  TO ORGANIZE THE 
   RESISTANCE, PLEASE, DO NOT (EVEN UNINTENTIONALLY).  HELP 
   THESE FASCISTS! BEFORE SENDING SOMETHING TO SOVIET UNION 
   PLEASE.  THINK TWICE (OR BETTER THRICE).  THANK YOU!  Vadim 
   Antonov.  DEMOS, Moscow, USSR
<Scofield> Yeltsin demands meeting with Gorba and Janajev 
   within 24 hours.  commitee has sended their minister of 
   foreign affairs is on his way to meet Bush.  In Leningrad 
   in demonstration of over 100,000 in Winter Palace Park.  
   Tanks are confirmed to bee stopped outsind Leningrad
<USENET> 11:45 - 3 devision of the red army joined 
   Yeltzin's side
<Scofield> 3 divisions to Yeltsin is confirmed.  source: 
   Radio City News 15:00 GMT+3 Helsinki, Finland
<USENET> posted from news-server@kremvax.hq.demos.su
<WDR> test
<USENET> man was reported killed in Riga by troops.  during 
   the night Gorbachev has been flown away from the  Crimean 
   to an unknown place.
<IDFradio> European community will freezes all aid tu the 
   SU.  Vice speaker of SU foreign office: Besmertnich (sp?) 
   is sick and is away for a few days...
<USENET> arrest warrant had been issued for Boris Yeltsin.  
   It's the first time.  The source of the report about arrest 
   warrent aginst Yeltzin is NBC
<Scofield> Finnish Information Service - telex news at 16:
   00.  EU emergency meeting friday (PM - or similar is level).
     No, connection to Gorba... Miterand was tried to call him 
   several times
<muts> 200.000 demonstrators in Leningrad.  400.000 in the 
   capital of Moldavia
<Scofield> Yeltsin has defined his demands abt meeting...  
   3 divisions switching to yeltsin.  2 more commanding 
   officers switching to Y.  Tanks blocking all the roads to 
   the Kreml.  2 officers switching to Y might be able to turn 
   their units to Y too (movement seen near parliamet).  * end 
   of news *
<IDFradio> Israeli Defence Forces radio 16:00 news update:  
   Schewarnadze warns from a civil was in USSR.  * that's all 
   from IDF *
<USENET> According to Finnish News Agencies, Gorbachev has 
   been flown back to Moscow. This information comes from an 
   aid to Boris Yeltsin.
<IDFradio> IDF Newsbreak:   edmund hmm.   Elrond _LP_.   
   hmm swthrt.   _LP_ Elrond.  sorry guys!  MY MISTAKE!
<Bestman> test
<muts> several cities support Jeltsin, among which 
   Leningrad.  'coup has failed in Leningrad'. KGB in 
   Leningrad supports city coucil
<IDFradio> IDF radio 16:30 news update:  Mayor of leningrad 
   says in the demonstration:  Everything the comitee says 
   about Gorbachev's health is lies!  Everything else they say 
   - also lies!  Primakov: Gorbachev is in good shape, and is 
   safe (Interfax).  Eye witness to demonstration in Moscow:  
   Great Demonstration, estimates 500,000 ppl in red square 
   (my opinion - a little exagurated...).  Natto meeting to 
   discuss the USSR coup - tomorrow.  * That's all from 
   IDFradio *.  Coming up at 17:00 L.T. (in 10 min) - IDF 
   radio daily news report.
<Scofield> News update 17:00.  EU _ ministry group going 
   over to Moscow during weekend (very high level)
<muts> new soviet leaders wrote a letter to Saddam,.  
   telling they hope cooperation can be extended
<Scofield> Yeltsin threats people obeying commitee with 
   court.  Army : 3 unit under Y control; 2 more has offered 
   co-operation.  26 Mines on strike.  Rika and Vilna 
   communication under army control.  Tanks in Tallinn had 
   seated to local army bases and around one factor complex 
   (unknown purpose).  *end of news*
<IDFradio> Israeli Defence Forces Radio 17:00 news report:  
   Jenajev orders Yeltsins arrest.  Estimated 150,000 
   demonstrators in Moscow.  Yeltsin demands to meet Gorbachev.
     calls citizens to oppose to new comitee.  Official 
   announcement from comitee: Gorbachev is still in Crime (sp?
   ).  Mator of Leningrad: Gorbachev is held against his will 
   by comitee.  Speaker of Lithuanian President:  If a puppet 
   regime is formed -  the citizens will oppose and defend the 
   current regime.  European foreign ministers: Aid to USSR 
   freezed partially. Will try to meet with Gorbachev.  USSR 
   citizens seeking to leave the country will not be able to 
   buy foreign currency, beginning tomorrow.  Stock exch. 
   around the world recovering from yesterdays crashes.  * 
   That's all from IDFradio *
<Scofield> telegram news : The People Body of Estonia has 
   started their mass demonstration in Tallinn; City Council 
   is still in their meeting (started 16:00) - one of the main 
   purposes of the meeting is to decide Estonians' way to join 
   to General Strike - Fin News Ag
<IDFradio> Explaining: USSR citizens will not be able to 
   buy foreign currency in USSR banks.  Israeli console to 
   Moscow on the phone from Moscow:  Saw the demonstrations, 
   has not seen any violence.  Media in Moscow gives very 
   little info. to the citizens.  * END *.  Moscow TV 
   broadcasting a concert.... Almost no news reports there...  
   Bush in a press conf.:  sends envoy to USSR to clearly 
   understand situation there.  returns to Main, but will keep 
   in touch.....  The american ppl supports the soviet ppl.  
   Straus (sp?) - new American ambasador to USSR.
<BR> AFP: Russian leadership orders people to leave govt. 
   building,.  fears imminent attack by Soviet troops.  (BR = 
   Bavarian Radio, Germany)
<IDFradio> Bush: The reforms can't be stopped or withdrawn. 
   The support for Yeltsin is widespread.  Bush: It's too 
   early to say what will become of the Middle East Peace 
   conference. There is no contact with Besmertnich.
<NPR> At press conference Bush calls coup "illegal".
<BR> EC freezes economic help to USSR, so do USA + Japan
<IDFradio> Bush: will not recognize the new regime, in the 
   short term.
<NPR> USA like Yeltzin will continue to stand with 
   Gorbachev.
<AFN> Bush: Will try to stand with Gorb. as Yeltzin does.  
   Bush: We're not threatening, this is no time for machoism.  
   Bush: What's needed is support for the people.  Bush: We're 
   not going to turn our backs on the duly elected leader.  
   Bush: Thee new leadership can't solve the problems without 
   help from outside.  Bush: No info on Gorb. safety
<NPR> (opinion) Bush seems to be suggesting that economic 
   pressure will be sufficient.
<AFN> Bush indicates having been in contact with Yeltzin
<NPR> Bush: Strauss will be playing it by ear in Moscow.  
   Bush: US does not intend to legitimize illegal coup.
<IDFradio> Bush: What is it about August?!
<NPR> Bush: Going back on vacation but will closely monitor 
   situation.
<AFN> Bush: Don't think we could have done anything to make 
   this event less likely
<NPR> Bush: This must not become an East/West confrontation.
<AFN> Bush: This is not an East/West confrontation
<IDFradio> Bush: People are looking to the US for 
   leadership.
<NPR> Press conference over.
<AFN> Bush: Don't want to set back any of the important 
   changes, particularly in East Europe
<muts> Head of Leningrad KGB has refused to cooperate with 
   new leadership.  and denounced state of emergency.  (told 
   to reporter of BBC)
<IDFradio> Well, I have to go. Might join you ppl in a few 
   hours. Keep updated!
<muts> From Uzbekistan backing for the new 'leadership'.  
   From many other republics come reports of political 
   resistance and demonstrations.  (BBC).  Troops around Kiev. 
    Support from Kamtschatka (far east) for Yeltsin
<BR> Occupation of Lithuanian broadcasting station Kaunas 
   ended
<muts> radio stations in many republics still are operating 
   independently
<IDFradio> Official from Russian parl.: Gorbachev will 
   return to moscow tomorrow.  (not confirmed)
<BR> EC summit planned for Friday
<IDFradio> Europe 1 radio station, from Moscow: New regime 
   not stable.  Protest demonstrations in Germany. Gensher (sp?
   ) calls to stop economic aid to USSR.
<BBC> No news at all about an arrest warrant against 
   Yeltsin,
<IDFradio> Jenajev sent a letter to Sadam Husain promissing 
   USSR support. (unconfirmed)
<BBC> BBC says whereabouts of Gorbatchov still totally 
   unknown.  letter to Hussein was confirmed 1 hour ago by 
   dutch radio too
<IDFradio> last item - Iraki info. agency....
<BR> RIA (Russ. news ag.?) reports attack on russ. govt. 
   planned for tonight
<LogServ> It's 17:30 MET DST.
<dutch_rad> Vice-Mayor of Moscow warned that there will be 
   an attack on the russian parliament tonight.  several 
   commanders have told they will refuse to shoot at people.  
   government of Kazachstan just has turned against leaders of 
   the coup and demands info on Gorbatchov.  New US ambassador 
   will not hand credentials no new junta.  * end of news *.  
   more and more signs of further split in red army.  EC will 
   also stop delivering food for the time being
<muts> even 'black baret' (OMON troops) have sided with 
   Yeltsin.  they are high elite troops.  in Leningrad troops 
   of interior department who vere supposed to be very 
   reliable have sided with the Leningrad mayor
<LogServ> It's 18:00 MET DST.
<complx> test.  
   ============================================================
   =====.  = Copy of the message from        KHOTIMSKI to      
         GUEST =.  =             nof  18:31 20/08/1991         
                       =.  
   ============================================================
   =====.  I am just from the demonstration.    Yesterday the 
   coup committee banned all the meetings and demonstrations.  
   along with  cut-off of all but nine Moscow newspapers. 
   Today many papers were.  published as leaflets and 
   demonstrations did take place. The major one.  had been 
   scheduled to be held at Manezhnaya sq., next to Kremlin,.  
   but the square was blocked by armoured vehicles and 
   soldiers (without.  ammunition I dare believe). So that one 
   demonstration and meeting started.  at noon by the House of 
   Soviets (Russian Parliament and current Yeltsin's.  
   residence), another -- at Tverskaya str in front of.  
   Moscow City Council (1 km from Kremlin). The latter joined 
   the former.  at appr 2 pm, totally some 100 thousand people 
   attended (my estimation).    Among spokesmen were President 
   Yeltsin of Russia,.  the Veep Aleksander Rutskoy, former 
   foreign minister Ed. Shevardnadze,.  former Gorbachev's 
   Chief Advisor Aleksander Yakovlev,.  retired KGB Gen. Oleg 
   Kalugin and others. No attempts were made to dissolve.  the 
   meeting.    It is still unknown where President Gorbachev 
   is held. Rumors say he is.  under arrest at Crimea resort 
   Pharos or at the Navy base in Sevastopol. His.  personal 
   physician saw him on Saturday, when he was quite OK.    The 
   key objects of Moscow are occupied by troops supported by 
   the tanks.  and armoured cars, these squads do have 
   ammunition.    As I have just learned, the Extraordinary 
   Committee issued.  the order to arrest President Yeltsin. 
   On the other hand, Yeltsin's decree.  claims the coup 
   members and those officials who obey their orders.  the 
   state criminals, subjects to criminal prosecution.    Last 
   news: the specnaz (special troops) are moving towards the 
   House.  of Soviets to attack the residence.  --from Moscow, 
   18:20 MT.  denis.  that last message was from IASNet, a 
   node in x25 in moscow.  From Moscow, 18:20 MT.  The specnaz 
   (special troops supporting the coup committee) is moving.  
   towards the House of Soviets - Boris Yeltsin's residence.  
   There is a danger of attack.  Earlier today the coup 
   commitee issued an order to arrest President.  Yeltsin.  
   (acc. to Echo of Moscow radio station) - D'
<Terence> Dow Jones 11 30 am Averages: DJIA 2906.53 Up 8.50.
     Dow Jones noon Averages: DJIA 2906.08 Up 8.05 (EDT).  
   Index         Latest     Prev    Change   PC Chg.           
                   Close.  Nikkei      c-21687.06 21456.76 up 
   230.30   1.1.  DAX (Fkft)   c-1526.93  1497.93 up  29.00   
   1.9.  FT-SE 100    c-2554.5   2540.5  up  14.0    0.6.  
   CAC40(Paris) c-1725.5   1687.5  up  38.0    2.3.  c-Closed. 
   12:01 PM EDT
<LogServ> It's 18:30 MET DST.
<Terence>   LONDON -DJ- U.K. Prime Minister John Major said 
   Russian President Boris Yeltsin informed him during a 
   telephone conversation that tanks were moving to the Soviet 
   parliament building where he is currently holed up.    
   Major, speaking to reporters outside his official residence 
   at 10 Downing Street, said that the Russian Republic's 
   president added that ''he believed he hadn't very much time 
   left.'' 12:21 PM EDT.
<complx> guest, guest
<LogServ> It's 19:00 MET DST.
<Radio_ffn> Radio ffn - news at 7.00 pm local time :....  
   Soviet army probably plans an attack against russian 
   parliament.  Yeltsin ordered women and children to leave 
   parliament area, men shall come to help defending parliament
<Terence> Dow Jones 12 30 pm Averages: DJIA 2905.86 Up 7.83.
     Dow Jones 1 pm Averages: DJIA 2899.15 Up 1.12 (EDT)
<Radio_ffn> russian government plans a government in exile 
   for case of emergency.  Today huindred-thousands protested 
   in USSR.  Estland plans to declare it's independance for 
   today or tomorrow.  *END OF NEWSHEADLINES*
<LogServ> It's 19:30 MET DST.
<ea> Norwegian tv : Schevardnadze held a speech a while ago 
   condemning the dictatorship.  also, yeltsin said he thought 
   he would win
<Dae> bis: Manipulated is and understatement.. I don't 
   think he is doing anything.
<DJ>   HELSINKI -AP- The Estonian parliament intended to 
   declare the.  republic's independence from the Soviet Union 
   tonight, Estonian.  Foreign Minister Lennart Meri said.    
   Meri told a press conference in Helsinki that the 
   parliament was.  working on a declaration of independence 
   and an announcement was.  expected later tonight.    The 
   leaders of the Baltic republics of Estonia, Latvia and.  
   Lithuania have also given permission for the formation of 
   exile.  governments in case the Soviet army removes the 
   elected governments.  from power, Meri said.  1:14 PM EDT
<LogServ> It's 20:00 MET DST.
<Radio_ffn> NEWS (8 pm. MEST) Radio ffn, private radio in 
   Germany:  news.   'NEWS (8 pm. MEST) Radio ffn, private 
   radio in Germany:  Radio ffn, Germany, at 7 pm:  sorry 8pm: 
    (I don't know why , but I get the message '*** #report : 
   Cannot send to channel (from *.edu).  I continue:  Russian 
   president Yeltsin asked britain premier for supports. 
   Yeltsin thinks he has not much time any more.  This night 
   soviet troups probably want to attack russian parliament. 
   The mood is becoming panic.  Tanks are approaching from 
   north-east to the building.  Yeltsin wants men defend 
   russian parliament, women and children leave the area of 
   russian parliament.  *End of News-headline from private 
   Radio ffn, Germany*
<Scofield> News update :  News update :
<Radio_ffn> ATTENTION: If you get a 'Cannot send to 
   channel'  from *.edu   please ignore it!   Finnish tv 
   says: prime minister pavlov resigned.. 'health' reasons..   
        forward to channel, please.  from *WiZ*
<Scofield> Acording to officials Scandinavian Concil has 
   agreed to bring up human-rights in ESCM -meeting mid-
   september ...
<LogServ> It's 20:30 MET DST.
<DJ> Dow Jones 2 30 pm Averages: DJIA 2898.70 Up 0.67 (EDT)
<Lanzecki> Usage: dump [0123456789fustdWwnDCcb [argument]] 
   filesystem
<DJ>   MOSCOW -AP- A Russian official said today that one 
   of the coup.  leaders, Defense Minister Dmitri Yazov, was 
   being replaced on the.  emergency committee ruling the 
   country.    Vladimir Lukin, head of the Russian 
   parliament's Foreign Relations.  Committee, said Yazov had 
   taken ill, and that his duties in the new.  government were 
   temporarily being filled by Gen. Mikhail Moiseyev,.  the 
   chief of the general staff.    A duty officer at the 
   Defense Ministry Press Center said he could.  neither 
   confirm nor deny the report.  2:34 PM EDT.
<Lanzecki> Update: 11:00 am PDT  Dow: +2.24 100 tanks, 50 
   APC's on.  move in Moscow.  Lenningrad, Baltics report.  
   units moving too.  Attack expected tonight, within hours.  
   Baltics.  will be setting up governments in exile, plans 
   for declariation of.  independance tonight.  Ammo and gas 
   masks being spread by Yeltsin.  supporters.  Azerbajain 
   troops flown to Moscow.  Gorbechev was.  offically arrested 
   when he went to an airport to fly to Moscow.  Late report, 
   the parlm. building first floor is mined, people.  inside 
   are armed with auto weapons.  KGB leader and the prime.  
   minister has resigned, no reason given, so has the minister 
   of.  defence, heart problems stated.  All three were 
   members of the.  group of 8 on the committee who ousted 
   Gorbechev.
<Scofield> The backbone of SU Internet uucp connection is 
   still alive... It's last poll started 21:36... The head of 
   demos moscow (coonection hq) asks people to think at least 
   twice before sending mail to SU, since the connection is 
   slow get easily overloaded.  News update, Finland News 
   Agency, 22:00 local (GMT+2+DST)
<LogServ> It's 21:00 MET DST.
<Scofield> Moscow is under limited movement rules after 23:
   00 Moscow time.  Yeltzin has said, that KGB and army troops 
   in Russian are under his control
<Radio_ffn> Radio ffn NEWS at 22h GMT+2
<Scofield> Yeltzin proclaims, that he'll stay in charge as 
   long as the new commitee tries to rule
<Radio_ffn> This night limited movement rules in Moskow 
   (see Sco).  Probably attack against russian parliament THIS 
   NIGHT.  *end-of-news*  (see Scofield-News)
<Scofield> The Degree on Independence of Estonia will take 
   place tonight.  Riga is waiting for attack to Riga radio&tv 
   tonight says Mr Meri (Ambassabor of Estonia).  * end of 
   news * Telex news will follow in 30 mins.  In case of 
   "normal" developement of situation, major updates will take 
   place once an hour to 24:00 local and after that every 2 
   hours.
<DJ>   PARIS -AP- Russian Republic Foreign Minister Andrei 
   Kozyrev said.  that the Soviet Union's largest republic 
   would form a.  government-in-exile if the junta that 
   overthrew Soviet President.  Mikhail Gorbachev stays in 
   power.    Kozyrev met today with French Foreign Minister 
   Roland Dumas and.  issued ''a call to western public 
   opinion and governments to condemn.  the coup d'etat ... 
   demand the return of the legitimate president.  ... and 
   lend assistance to all democratic forces.''.    Kozyrev 
   also met Hubert Vedrine, French President Francois.  
   Mitterrand's spokesman.He was to travel to Washington 
   tomorrow for.  talks with U.S.  officials.  2:54 PM EDT
<Dae> Shawn: something like that.. If itcomes to shooting 
   the civis or supporting Yeltsin, I suspect the troops will 
   support Yeltsin.
<Napoleon> Soviet troops have attacked against 2 Latvian 
   border outposts.
<Radio_ffn> *mao_SWF3*  doesnt work and have leave now, 
   want to phone to caucasus tonight;               my news 
   from SWF3 was:  Yenyaev doenst know about parliament.       
          attacking plans (he says) and wants to inform 
   himself and stop any.              such orders.   BYE
<DJ>   COPENHAGEN -AP- The Latvian parliament Tuesday set a 
   deadline of 6.  a.m. local time tomorrow for Soviet forces 
   to vacate buildings they.  occupied in the country, or the 
   government would call a general.  strike, said Latvian 
   Foreign Minister Janis Jurkans.  2:46 PM EDT
<Scofield> News update :  Ministers of 12 EU member 
   countries have decided to stop all help to SU before EU 
   high-level meeting friday
<DJ> Dow Jones 2 30 pm Averages: DJIA 2898.70 Up 0.67.  Dow 
   Jones 3 pm Averages: DJIA 2908.54 Up 10.51 (EDT)
<Scofield> Moscow banks have disagreed goverment banks 
   denial to sell foreign currency to SU citizens.  Intourist 
   (SU goverment travel agency) doesn't see any reason to 
   delay scheduled tourist flights to selected holiday sites 
   in SU.  *end of news update*.  source : Finland News Agency 
   - Telex News Compilation no 7.  Vernoshkaya Bank 
   (govermental bank) has prohibited sellin of all foreign 
   currency to private SU Citizens. After the demand of The 
   Mayor of Moscow, Moscow banks have agreed to continue 
   exchange
<LogServ> It's 21:30 MET DST.
#choo# hello. In order to keep irc in Israel, we need 
   everyone who cares to give a short comment about it's 
   educational benefits, or one self-experience examples. 
   write to : irc@bimacs.cs.biu.ac.il (please help)
<poxaV> the following is an english transliteration of the 
   letter Yeltzin read to the group of people yesterday....  
   Path: sol.acs.unt.edu!mips.mitek.com!apple!decwrl!fernwood!
   cronos!Metaphor.COM!eli.  From: eli@Metaphor.COM (Eli 
   Lauris).  Newsgroups: talk.politics.soviet.  Subject: RE: 
   Yeltzin's letter.  Message-ID: <1131@cronos.metaphor.com>.  
   Date: 19 Aug 91 18:40:58 GMT.  Sender: news@cronos.metaphor.
   com.  Reply-To: eli@Metaphor.COM (Eli Lauris).  
   Organization: m4.  Lines: 36.  This is my translation of 
   the posting of Yeltzin's letter published in Russian.  
   transliteration by  Ury Segal:
<poxaV>
<poxaV> ---------------------  To citizens of Russia,.  In 
   the night of August 18, 1991 the duly elected president of 
   the country was.  removed from power.  Whatever the reasons 
   given for this removal, we are dealing with a right-wing,.  
   reactionary, anti-constitutional overthrow.  In spite of 
   all difficulties borne by the people, the democratic 
   process in.  the country has taken an increasingly deeper 
   dimension, irreversible nature.  The peoples of Russia are 
   becoming masters of their fate.  We have severely.  
   restricted the rights of unconstitutional organs, including 
   party organs.  The leadership of Russia took a decisive 
   position toward the Union Treaty.  Our position on this 
   issue allowed quick conclusion of negotiations, agreement.  
   with all republics and setting the date for its signing -- 
   August 20, 1991.  This development of events aroused the 
   anger of reactionary powers, led them.  to irresponsible, 
   adventurous attempts to solve difficult economic and.  
   political problems by force.  There were already previous 
   attempts at the.  coupe d'etat.  We believed and continue 
   to hold that such methods of force are unacceptable.  They 
   discredit USSR before the entire world, undermine our 
   prestige in the.  world community and return us to the era 
   of cold war and isolation of Soviet.  Union from the rest 
   of the world.  All this compells us to declare as 
   illegitemate the so-called Committee that.  came to power.  
   Accordingly, we declare as illegal all decisions and 
   actions.  of this Committee.  We are sure that local 
   authorities will strictly follow the constitional laws.  
   and directives of the president of Russian Federation.  We 
   call upon the citizens of Russia to give a determined 
   response to the.  perpetrators of this Putsch and return 
   the country to normal constitional.  development.  It is 
   absolutely essential to allow the president of the country 
   Gorbachev to.  address the people.  We demand immediate 
   convening of the Regional Conference.  of People's Deputies 
   of the USSR.  We are absolutely certain that our 
   compatriots will not allow the disgraceful.  and 
   unscrupulous perpetrators of the Putsch to establish a rule 
   of lawlessness.  We call upon the armed forces to show 
   their civilian conscience and not to.  participate in this 
   reactionary overthrow.  Until these demands are fulfilled, 
   we call for a general unlimited strike.  We don't doubt 
   that the world community will objectively judge this 
   cynical.  attempt of right-wing coupe d'etat.  President of 
   RSFSR  (signature) Yeltzin, B.N.  Chairman of SM (?)  
   (signature) Silayev, I.S.  Executive (?) of the Chairman of 
   Supreme Soviet of RSFSR (signature).                       
   Khasbulatov, R.I.  the english translation was posted to 
   talk.politics.soviet, if you have access to USENET.  i also 
   have some wire reports (that were also posted to talk.
   politics.soviet, if you'd like me to dump those on the half-
   hour, or whatever)
<Scofield> News update, BBC world service, 23:00 GMT+2+DST
<Dae> Scott: 1200baud?
<LogServ> It's 22:00 MET DST.
<Radio_ffn> News update from Radio ffn, germany at 22 h 
   GMT+2
<Scofield> Moscow is under limited movement rules starting 
   now. All ppl outdoors will be arested till morning, ppl 
   without ID for 3 days.  Orders of Gorba's arresting came 
   from 3 leading KGB Generals, and he was arrested in airport,
    after denying to sign his resign... He was under hold of 
   KGB at Crimi.  Atmosphere in Estonia is tensing, since 
   people are waiting for armys action. Army ordered ppl to 
   remove all barricades before 23:00.  *end of news* source 
   was BBC world service
<Radio_ffn> Now News from Radio ffn, Germany:  In the 
   leadership of soviet army seems to be a quarrel.  News 
   agency INTERFAX sais that Yasow has resigned.  and also the 
   chief of KGB.  In Germany lots of people protested.  
   *Wumpus* hm, american press spells it Yazov, he's the head 
   of the armed.           forces.  INTERFAX SAIS, he resigned.
     *End of News from: private Radio ffn, Hannover, Germany*. 
    *Wumpus* that means the head of the KGB and the armed 
   forces are gone, so the.           only one of the 3 major 
   coup architects left is Boris Pugo, the.           Interior 
   Minister.  I have no further information now
<Scofield> Yazow's resign was absolutely denied by the 
   spokesman of the new comitee (was on the news)... The news 
   abt Yazow's resign was published by "Moscow Echo", 
   "intependend news agency"  Judge yourself !  Moscow on_line 
   ! update !  Red Square and front on parliament are very 
   heavily populated in rainy weather... Limitations to free 
   movement were _CANCELED_.  There in much less women and 
   clidren outdoors now that yeasterday.  more and more people 
   are coming to red square and to front of parliament... 
   people are seem to come streets later than yeasterday.  ppl 
   are very optimistic, all-night guards will be in front of 
   parliament all night, however ppl don't believe to use of 
   army power against them...  In Moscow in one independend 
   radio, which has become the leading source of information 
   to counter movement.  However in Moscow, there is no news 
   from Estonia/Baltia.  *end* source : Finnish press attachee 
   of embassy in moscow.  that was on_line interview from 
   Moscow!
<LogServ> It's 22:30 MET DST.
<Swe-TV> Estonian parlament has declared Estonia a free 
   country (from the USSR). Happened 25 minutes ago.
<Radio_ffn> Radio ffn- NEWS
<LogServ> It's 23:00 MET DST.
<Scofield> Midnight News, Fin News Agency, 24:00 GMT+2+DST 
   (Moscow time).  Estonia has declared themself to 
   independend country
<Radio_ffn> Resigned: Yasov and KGB-chief (repeated).  
   (Interfax)
<Scofield> Yeltsin has declared himself to director of Su 
   till commitee will resign.  Yeltsin believes, that :
<Radio_ffn> ZK-buraeu declared this report as FALSE
<Scofield> a) army won'y attack civils.  b) revolution will 
   be over in 4 days.  Thecoslovagia (hmm ?) has send 6,000 
   men-in-arms to SU borders
<Radio_ffn> Estonia is independant
<Scofield> Sweden has opened their borders to SU people
<Radio_ffn> 62 soviets denied travelling back from Kiel 
   (FRG) to SU
<Scofield> *end of headline news*
<Radio_ffn> *more news at midnight in Germany from Radio 
   ffn, Hannover*
<Swe-TV> Sweden has stopped processing any asylum requests 
   from USSR-people. Ie, nobody will be sent back. The Swedish 
   government is preparing for refugees from the Baltic states.
<Scofield> There is no confirmed sign about army units 
   obeying Yeltzins order to all army and KGB units to stay or 
   return to their home bases.
<DJ> U.K.'s ITN Reports Automatic Gunfire Near Russian 
   Parliament 5:12PM EDT (no details available yet)
<Lanzecki> The Russian White House baracades are being 
   battered by about 10 APCs, some shots are being fired up 
   into the air from APCs and solders.  People are leaving the 
   square, and the building are safe.  The militia is standing 
   by, so are the people, they seem to be milling back and 
   forth. (CBS Live)
<torq> Estonia declares full independence from the Soviet 
   Union, to take place with immediate effect [ITN]
<LogServ> It's 23:30 MET DST.
<torq> shots fired at russian parliament from direction of 
   USA embassy [ITN]
<Scofield> People on the square are ready for re-make of 
   "bloody Peking" if nessecery. (source : Here Moscow; 
   on_line interviews of people on square and around 
   parliament).  "We try to stop tanks with bare hands if we 
   have to, and we'll let them mash us, before we'll leave" - 
   same source
<Radio_ffn>  Sat 1: Oberbuergermeister von Moskau hat den 
   Putschisten das Wasser.            in ihren eigenen 
   Wohnungen abgedreht.  Translation:
<torq> 12 tanks reported to be moving towards russian 
   parliament after gunfire [ITN - just now]
<Radio_ffn>  the mayor of moscow has shut off the water 
   supply to the junta's.            homes
<poxaV> *laugh*
<Radio_ffn> from SAT.1 (privat TV-Station, Germany)
<Scofield> "Pavlov is ill" - source radio Moscow (sovjet 
   commentator : "means 'Heart-attack'")
<Lanzecki> US Embassy blocked off by large trucks.  Western 
   media locations are being used by military units.  Military 
   spot light flashing around, three single shots fired just 
   now.  21:59 GMT --- Regia - The Latia parlm building has 
   been taken over by armed soviet troops according to rep. of 
   Latia in Washington.  No shots were fired.
<LogServ> It's 0:00 MET DST.
<Radio_ffn> 24.00 NEWS from ffn
<Scofield> (no news broadcast in Finland this time)
<Swe-P3> (nothing new in the 24.00 NEWS from Swedish Nat. 
   Radio)
<CNN> People in the Russian building are very worried.  CNN 
   not sure what the flashes are.  Constant announcements in 
   the Russian Parlianment building that tanks are approaching.
     Man found shot dead near the U.S. Embassy building.
<Radio_ffn> NEWS from Radio ffn:  Gisbert Mossek, radio 
   reporter in the house of parliament in Russia, reported
<CNN> No reports heard of deaths or injuries at teh Russian 
   Parliament building.
<Radio_ffn> with disturbance, because in the house was 
   switched of lights.  because an attack of a KGB-special-
   troup is expected every time
<Scofield> "Gunfire heard downtown Moscow" - BBC 
   commentator in Moscow
<Radio_ffn> Next hours will bring decision.  He said, that 
   perhaps first people outside was killed by guns.  gunfire
<Lanzecki> From PBS - Radio Liberty is still being 
   broadcast to Moscow, 4 tanks loyal to Yeltsin is still in 
   position on the other side of the moscow river.
<Radio_ffn> tanks are coming nearer to parliament building
<Lanzecki> Correction, make that 8.  Four on each side of 
   the main ave. to the russian parlm.
<Radio_ffn> *This was the main information from Radio ffn 
   News at 24.OO GMT+2, a german private Radio*
<CNN> CNN has taped weapon fire now.
<Radio_ffn> *More news at 1 GMT+2 or earlier*
<CNN> Time to go.  CNN signing off.
<Scofield> Baltian nations have declared 3 ambassadors with 
   rights to collect refungee goverments in case on emergency -
    Fin News Agency - Telex News compilation 8
<Dae> I want my server to have a /hush command..
<Scofield> Special news update !  Sovjet parliament is 
   under tank attack... dead peoples all around !!!
<Radio_ffn> sco:  YOUR SOURCE !!!!  ?
<Scofield> *end of news* - source Finland News Agency 01:22 
   am Moscow time
<Radio_ffn> no information about it, yet
<DJ>   MOSCOW -AP- A news report said one person was shot 
   and killed and.  several injured early today as armored 
   vehicles crashed through the.  farthest barricades guarding 
   the Russian parliament building.    The independent radio 
   Echo Moskva, quoting the Russian republic's.  RIA news 
   agency, said one person was killed in an exchange of.  
   gunfire.  It said several people were hurt, including one 
   who was.  run over by a vehicle.    There were no details 
   immediately and no independent.  confirmation.  6:13 PM EDT
<Kerev> How do I change windows??
<LogServ> It's 0:30 MET DST.
<Scofield> I just missed another special update on 98.8MHz 
   anyone got it ?  Was it same in swedish ?
<Swe-P3> Missed it too. Sigh.
<poxaV> a radio station (KERA 90.1, dallas, texas) is 
   reporting live via a telephone that several people have 
   been killed..  ...8 or 9 newspapers will be allowed to 
   continue publishing, (most of them communist)
<Kerev> Floodlights have been put up on Parliament bldg
<poxaV> (the reporter on the phone is several miles from 
   the parliament building).  radio russia has been 
   broadcasting from within the Parliament Building.  a 
   possibility that "echo mos-3" (radio station) is going to 
   be shut down..
<torq_ITN> more tank movements reported, roadblock forming 
   on garden ring road, tanks moving up kalinen avenue towards 
   parliament (thats MORE tanks) [ITN, 23:44 GMT BST]
<NPR> npr reports echo moskva went off the air at ~0115 
   moscow time.
<poxaV> reporter in moscow confirmed that, also.. said it 
   hasn't been heard from since (KERA 90.1 FM, 17:40 CDT).  
   "if they take yeltsin, they could have a real mutiny on 
   their hands". (KERA 90.1 FM, Dallas, TX, 17:47 CDT)
<torq_ITN> De Cuellar the UN chief appeals to soviet 
   leaders for restraint [ITN, 23:49 GMT BST]
<Scofield> Major news update will come in 12 minutes
<Kerev> scofield: That's called advertising :-)
<TKnauer> test
<Scofield> (after last news update Radio Finland started to 
   play only melancholy music - no DJ anymore)
<LogServ> It's 18:00 MET DST.
<DutchRadi> Yazov and Krutchkov are going to Gorbatchov on 
   the Krim too, to give their excuses :-).  the others are 
   going to Kirgizia
<BBCradio> Members of the emergency commitee that ousted 
   Gorbachev are reported to have Moscow by air. Soviet troops 
   and tanks have begun withdrawing from the centre of Moscow 
   to the cheers of bystanders.  One tank commander said they 
   were "going home".  The dramatic and fast moving events in 
   Moscow appear to be reaching a climax. There are clear 
   indications that the coup which deposed president Gorbachev 
   is collapsing.
<WiZ> Finnish tv: Tallinn tv station is free. Soldiers have 
   left from the tv tower.
<DJWire>   NEW YORK -DJ- Ousted Soviet president Mikhail 
   Gorbachev was freed.  in the Crimea and was expected to 
   return to Moscow very soon, a.  senior Supreme Soviet 
   official told Kyodo news service.    A Kyodo news item from 
   Moscow said Defense Minister Dmitry Yazov.  and KGB chief 
   Vladimir Kryuchkov have arrived in the Crimea to offer.  an 
   apology to Gorbachev over the failed coup, the official 
   said.  11:44 AM EDT
<BBCradio> Share prices have risen on the news that the 
   coup is collapsing.
<PR> 7who +nixlos
<LogServ> It's 18:30 MET DST.
<DutchRadi> Bessmertnich says he had been on holiday and 
   had been sick.  that's why he did not oppose the coup 
   before.  he could not yet say if the coup leaders will be 
   sentenced to death.  the western diplomats that would join 
   the plane to Gorbatchov haved missed the plane.  TASS just 
   announced that Gorbatchov has been reinstalled as President
<DJWire> Index         Latest     Prev    Change   PC Chg.  
                            Close.  Nikkei      c-22051.60 
   21687.06 up 364.54   1.7.  DAX (Fkft)   c-1570.82  1526.93 
   up  43.89   2.9.  FT-SE 100    c-2601.9   2554.5  up  47.4  
     1.9.  CAC40(Paris) c-1792.8   1725.5  up  67.3    3.9.  c-
   Closed. 12:03 PM EDT
<WiZ> Moscow tv is sending interviews of three people, one 
   of them is Gorbatchev's adviser. Unfortunately I don't 
   understand Russian. But this is the first time this week 
   Moscow tv is sending something else than old russian movies 
   or music..  (Moscow tv is a tv station which can be seen in 
   some parts of Finland)
<woo> #report +o woo
<LogServ> It's 19:00 MET DST.
<Radio_ffn> 19.00 GMT+2 NEWS-Headlines from Radio ffn, FRG:.
   ..
<DFunk> RIA: all 8 of the gang went to the Krim to meet 
   Gorbatchov
<woo> To: woo@woonext.dsrd.ornl.gov.  References: 
   <9108211255.AA26084@ woonext.dsrd.ornl.gov.dsrd.ornl.gov >. 
    Organization: DEMOS, Moscow, USSR.  From: avg@hq.demos.su 
   (Vadim Antonov).  Date: Wed, 21 Aug 91 19:05:35 +0200 (MSD).
     Newsgroups: relcom.politics,talk.politics.soviet.  
   Subject: Re: Any info from inside?  Now all are optimistic 
   but mortally tired. The feeling is as after.  long heavy 
   illiness.  Vadim
<DFunk> Yeltsin has taken command of military.  (dfunk is 
   DeutschlandFunk
<Radio_ffn> 19.00 GMT+2 NEWS-Headlines from Radio ffn, FRG:.
   ..  Gorby is appointed again into his office by the Russian 
   government.  Yeltsin has taken command of all military.  No 
   clear information about the leader of junta.  *End of NEWS 
   from ffn*
<LogServ> It's 19:30 MET DST.
<BBC> nothing new from BBC (Gorby on his way to Moscow, 
   some of junta fled to unknown location).  it seems the 
   Russian KGB persuaded the soviet KGB not to shed blood.  In 
   St.Petersburg (former Leningrad) blockades already removed, 
   and great relief.  Estland: soldiers retreated from the TV, 
   during this some incidents with local population.  no 
   shootings however
<WiZ> Finnish tv: SU Central committee confirmed that 
   Gorbatchev is back in power.
<Scofield>
<Scofield> Since this crisis seems to be fading away, I 
   want to thank everyone !  See you again, in the next world 
   crisis !
<Radio_ffn> Bye Scofield, thanx for Information
<WiZ> Finnish tv: Bush has had a telephone conversation 
   with Gorbachev.
<LogServ> It's 20:00 MET DST.
<Radio_ffn> 20.00 GMT+2  Radio ffn-Newsheadlines:....  
   Gorby will meet the 8 Junta-leaders.  and go back to Moskow.
     CNN reports that Gorby is on his way back to moskow
<Scofield> "Major clean up will take place in the Red Army 
   and the KGB" - AFP
<Radio_ffn> *end of Radio ffn*.  Sorry: end of News from 
   Radio ffn
<Scofield> "21:00 official release from mr. Gorba to Sovjet 
   people" - FNA
<LogServ> It's 20:30 MET DST.  It's 21:00 MET DST.
<Radio_ffn> 21.00 GMT+2 Radio ffn-NewsHeadlines:.... *No 
   real new information*
<LogServ> It's 21:30 MET DST.
<Scofield> "The Sovjet minister of foreign affair has said 
   in Bryssel, that the hard-liner might try again, even as 
   soon as next night. He says, that all western countries 
   should stay in alert" - reuter
<LogServ> It's 22:00 MET DST.
<Radio_ffn> 22.00 GMT+2 Radio ffn-NewsHeadlines: Gorby 
   talks with leaders of Junta and expected in Moskow soon.  
   He will again work as president.  USA promisses economic 
   help.  *end of NewsHeadlines, next at 23 GMT+2*
<Musik> Testing...
<Radio_ffn> *Crawdad* duration of coup: 59 hours
<Musik> NPR:  Sources in Tass say that Gorby will be 
   meeting w/Yeltzin and Politburo first when he arrives.  NPR:
     KGB chief (one of coup leaders) evidently is not with the 
   others...  NPR:  "has gone to a place where they know him". 
    NPR: More rumors of Yazov's suicide...again, it's doubtful.
     NPR:  Absolute euphoria in Moscow...crouds outside 
   parliament...  NPR:  Singing, chanting Yeltzin's name....
   etc.  NPR:  Media is back on...independent stations and all.
     NPR:  Bush praises Yeltzin for his resistence...  NPR:  
   The key to failure...underestimation of Boris Yeltzin...  
   NPR:  Coup leaders had no popular following...old men, 
   hardliners...  NPR:  Great secrecy...generals organized it..
   .no rank and file involvement.  NPR:  Coup leaders hoped to 
   frighten and intimidate ppl as in past...realized finally 
   that only massive bloodshed was only thing that would work. 
    NPR:  Far greater mil. would have had to have been used to 
   enforce coup...not possible with mil. splits.  KGB will be 
   stripped of most domestic powers.
<LogServ> It's 22:30 MET DST.  It's 23:00 MET DST.
<Radio_ffn> Radio ffn, 23.OO GMT+2, NEWS:...rumours say 
   that Putsch was planned for the day of signing contract of 
   republics.  No further new news
<LogServ> It's 23:30 MET DST.
<Radio_ffn> I say good-night to everyone.  Thanks for your 
   interesting information.  I will be back at next crises. 
   Till then BYE, yours Triton (as Radio_ffn)
<LogServ> It's 0:00 MET DST.  It's 0:30 MET DST.  It's 1:00 
   MET DST.
<Scofield> Gorby's plane has landed to Moscow - FNA 02:00 
   GMT+2+DST
<huopio> CNN confirmed that Gorby has landed to Moscow!
<LogServ> It's 1:30 MET DST.
<huopio> CNN confirmed with live update that gorby _is_ in 
   moscow!
<LogServ> It's 2:00 MET DST.
<huopio> CNN info Head of KGB arrested!
<DutchTV> A crowd of 10,000 ppl is awaiting gorbachov in 
   front of the russion parliament
<LogServ> It's 2:30 MET DST.
<lolo> there's a rumor that yasov and some other guy have 
   been to the krim to see gorbi, and come back to moscow with 
   him ... (german tv news, nothing about the alleged suicide 
   anymore).  seems like the guys staging the coup actually 
   tried to arrest yeltsin ... missed him by 20 minutes or so .
   ..
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<DutchTV> he explained how he has been captured, how the 
   junta has been putting him under pressure to either join 
   them or else transfer power
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   30 MET DST.
<lolo> pugo commigted suicide (german tv news, possibly old)
<LogServ> It's 22:00 MET DST.  It's 22:30 MET DST.
<lolo> seems like people are blocking the building of the 
   central committee ... (german tv).  to prevent the party 
   from taking out papers.  the communist party of kasachstan 
   is leaving the soviet communist party
<LogServ> It's 23:00 MET DST.  It's 23:30 MET DST.  It's 0:
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#Mirth# Happy Twentieth Birthday To elvira!
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<lynx> Anybody wants to do any reporting? Or are you all 
   dead loggers in here?
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#Mo# Please send your Congrats to Moaxka & Danae, getting 
   Engaged right this moment. or stop by for a drink!
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<ea> well, probably old news now, but, just to repeat. The 
   communist party in the USSR is to be disbanded,  Gorbachev 
   has resigned as their head. Ukraina declares independance 
   (CNN).  (he latter dependant on a referendum in december
#Chucki# Please ignore spewbabe1 or 2.. They are trying to 
   cause trouble..
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<lolo> anybody has anything to report? msg me for channel op
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Updated: February 16, 2019 — 8:15 pm

Surface Integrals II: Applying the parameterized function

In Part I I defined the surface integral as:

A surface integral is defined as:

Where r(u,v) is the surface equation, f(x,y,z) is the function for the numerical value ‘assigned’ each point on the surface such as a temperature distribution model. The cross product finds the area between the bounded parallelogram of vector Ru and Rv. For now, most of this doesn’t matter but I will try to continually elaborate on its meaning and why it is what it is.

To solve for the surface area of a sphere, the following parameterizations were defined in part I.

To simplify this; Sphere X2 + Y2 + Z2= r2  Can be expressed in terms of rφ, and θ. Where φ and θ control the orientation of a vector and r the magnitude. r(r,θ,φ) -> (X,Y,Z) In this visual representation, φ  would be bounded from [0,π] and θ from [0,2π].

X = rSin(φ)Cos(θ)

Y= rSin(φ)Sin(θ)

Z = rCos(φ)

 

Updated: December 23, 2018 — 1:35 pm

Multivariable Vector Calculus I: Parameterization of a Sphere.

I’ve recently taken a multivariable vector calculus class and had a very hard time visualizing and understanding the problems until I drew it out and wrote about it. This page is an explanation of the parameterization and calculation of the surface integral of the sphere. I also try to explain where equations come from as best I can.

 

Part 1: Expressing the Sphere

A surface integral is defined as:

Where r(u,v) is the surface equation, f(x,y,z) is the function for the numerical value ‘assigned’ each point on the surface such as a temperature distribution model. The cross product finds the area between the bounded parallelogram of vector Ru and Rv. For now, most of this doesn’t matter but I will try to continually elaborate on its meaning and why it is what it is.

 

Since we want to calculate the surface area of a sphere we are also going to use some additional concepts.

A sphere is defined in cartesian coordinates by:

X2 + Y2 + Z2= r2

Now this surface integral IS solvable without parameterization; However it will be nasty.

In the past I have used the unit circle to express the equation X2 + Y2 = r as X = rcos(θ), Y = rsin(θ) in polar coordinates. This allowed for rotation about one axis θ with small slices of the circle with angle dθ thickness.

 

Because a sphere exists in 3 dimensions, we will have to rotate about an additional axis to get the surface integral. In general φ is used as this additional movement angle.

Sphere by Matthew Leingang https://www.slideshare.net/leingang/math-21a-midterm-i-review

 

To simplify this; Sphere X2 + Y2 + Z2= r2  Can be expressed in terms of constant rφ, and θ. Where φ and θ control the orientation of a vector and r the magnitude. r(θ,φ) -> (X,Y,Z) In this visual representation, φ  would be bounded from [0,π] and θ from [0,2π].

X = rSin(φ)Cos(θ)

Y= rSin(φ)Sin(θ)

Z = rCos(φ)

Therefore the sphere can be expressed in terms of θ,φ:

r(θ,φ) = (rSin(φ)Cos(θ), rSin(φ)Sin(θ),rCos(φ))

0≤θ≤2π      0≤φ≤π

The X, Y, Z representations come from trigonometry and geometric relationships which I will try to show later.

 

The end result of this parameterization is a vector function r(θ,φ).I have come to think of its integration(for volume as an example) like this (might not be exactly accurate but it helps):  φ rotates down generating half a disc of vectors. Then θ rotates it around in a full circle, creating the final representation of the sphere in vector form. This will create infinite vectors separated by dθ and dφ. This of course, has nothing to do with the surface integration, but it helps visualize the way parameterization works.

 

In Part II the use of this parameterization will be introduced and concepts and formulas related explained.

 

 

 

 

Updated: December 23, 2018 — 3:14 pm

Neural Network Zoom Experiments

Neural Network Zoom Experiments

 

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A visual representation of the input to a trained TensorFlow neural network.

 

Neural Networks as a tool to both zoom and enhance images

Here I will document my experiences using recurrent neural networks to supersample and enhance images. A properly trained neural network should be able to approximate a zoomed picture. It won’t be able to show information that was not visible before, but it is able to remove certain artifacts that other transformations can create.

Neural Networks use an input layer that consists of the image information, a series of hidden layers of various dimensions, and an output layer that is the corrected image. Neural Network layers consist of matrices containing gradient weights and biases that when multiplied with an activation function such as ReLU or Sigmoid will produce a simulation of a neuron firing.

Training this network of weights can be done via recursion. This calculates the error between the actual output and the expected output and uses it to train the neural network to minimize that error.

For our first example, I will take a very small circle with a picture of a Linux penguin on the inside. Our starting picture will be 100×100 and we are going to upsize it to 1000×1000 via both neural networks and traditional transformation mechanisms.

This is the original file that will be resized/supersampled. 100×100

Different methods of resizing

I will be attempting multiple methods of both neural and traditional resizing and will compare their results as objectively as possible.

Traditional Resizing (linear filtering)

“Traditionally” Resized using Paint – CLICK FOR ACCURATE SIZE

 

 

⇒ Traditional Algorithms

 

 

 

 

As a control, I will resize using paint.net using the default settings. This uses a series of algorithms to fill the empty pixels with a mixed gradient allowing for a somewhat smooth resize.

 

 

 

 

Attempts using Neural Networks

Attempt 1 – alexjc/Neural-Enhance

My first attempt at resizing this photograph was to use the python toolNeural-Enhance with Windows 10. It should have been simple, but it turned into a disaster. I was never able to figure out how to mount the filesystem correctly. All the documentation that I could find on this issue is for other operating systems and was specifically not applicable to windows. This is due to the way the Unix filesystem is structured.  I tried both forward, and

One of the many similar file not found errors I was receiving.

backslash, full path, relative path, mounting the directory and trying, all to no avail. It is able to load the model, but I am unable to load the image file that I want to enhance.

I have had this working before in Linux, and plan on looking back into it again in the future. When I do I will update this article.

Attempt 1 Results- Failed to enhance images. Will look into it in the future.

 

 

Attempt 2 – Waifu2x Tool (x4 times)

I had to use this 4 times in a row to achieve the desired result as it only supported supersampling by factor x2. I initially wanted to steer clear of tools like this, but it’s always nice to have all the available information.

Single-Image Super-Resolution for Anime-Style Art using Deep Convolutional Neural Networks. And it supports photo.

It seems to work on a similar neural network principle as Neural-Enhance. It would not surprise me if they share the same (TensorFlow?) roots.

Original Size

Resized using Neural Networks via Waifu2x (4x)

 

 

 

 

 

 

 

 

 

 

 

Attempt 2 Results: Promising

Attempt 2 gave promising results. There are noticeable artifacts present around the lower fins of the penguin, present in the form of yellow color bleed. This is an issue absent in normal resizing tools. Besides that the image is clear, the lines concise, and there is no noise, much unlike its traditional counterpart.

 

Attempt #3 – A Paid service (It’s not good)  https://letsenhance.io/

I signed up for their trial. Uploaded my 100×100 image, and clicked the “magic” button. Here was the result.

Attempt #3 Results: Very Poor

Very disappointing to say the least, there is no reason I can see to use this over the free alternatives. Note the loss of pattern between the checkers, and the general noise in the image. I was able to get much better results off the above Waitfu2x tool for free, with less effort. Perhaps this is some sort of sophisticated proof of concept that flies right over my head. Or maybe people do buy into this marketing hype. Obviously much better results can be had for free than using https://letsenhance.io/ or any other paid service.

Attempt #4  – TensorZoom(Android)

This one is certainly the most frustrating to test. There are builds that can run on Windows, but I was unable to get it working. I didn’t document the process, but there was nothing useful learned. Instead, I will be using my Android Google Pixel OG phone to magnify the photo. Unlike the other examples, there is no limit to TensorZooms zoom setting.

TensorZoom with Android

 

Attempt #4 Results: Outstanding.

 

Neural Networks seem to do an alright job of upscaling small images with minimal artifacts. Depending on the method used the resized version may be much clearer than its traditionally scaled counterpart. It seems like areas of struggle in the image was during transitions between the penguin and the background. This means that Neural Network image scaling may be more prone to artifacts when there is more noise (such as a crowd of people in an image)

 

 

 

This is an article in progress. Neural Networks stand as a promising way to resize images in the future. They are currently capable of outperforming traditional resizing in some cases.

Updated: September 22, 2018 — 11:15 am

3D Printing II – Adding an external SoC and modeling a basic part

3D Printing II – Adding an external SoC and modeling a basic part

The issue of print reliability

One of the issues that become apparent early on with large prints is the reliance the 3D printer has on the computer operating it. When 3d prints can take 10+ hours, the odds of a computer crash wasting both time and physical resources becomes non-negligible. The solution to this problem is an external SoC such as a Raspberry Pi. We can use the SoC to control the print remotely with a web console. This SoC will stay always on and has the ability to remotely start the printer.

When choosing an SoC to use, it is necessary to understand the functions it will be performing. Our SoC needs to be able to serve a webpage and move a series of stepper motors quickly. This is not computationally expensive, so the logical choice is the Raspberry Pi Zero. Although it lacks the specifications of better SoC’s, its small power requirements and form factor make it perfect for this relatively simple task.

OctoPrint

Raspberry Pi 0 using OctiPi Linux controlling the printer.

OctoPrint is a prebuilt Pi image that contains Raspbian and OctoPi (A web control framework for 3D Printers). It can be found for download here: https://octoprint.org/download/

The installation process is fairly self-explanatory and I won’t be covering it here. Go take a look at the site for yourself.

This article is in progress, please check back for more.

Replacement grill handle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OctoPi printing a Pig model.

Updated: September 10, 2018 — 11:45 pm