XPost: rec.radio.amateur.moderated, uk.radio.amateur, free.uk.amateur-radio

SolderSmoke Daily News

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TV Homebrew 84 years ago -- Tracking Down W9YEI's 1939 Television Receiver
-- The CRT He Probably Used -- Please Help Find More Info

Posted: 15 Apr 2022 11:07 AM PDT http://soldersmoke.blogspot.com/2022/04/tv-homebrew-84-years-ago-tracking-down.html

From October 1938 QST "Building Television Receivers with Standard Cathode
Ray Tubes" by J.B. Sherman A recent Hack-A-Day article about early
television receivers got me thinking about the receiver built by young
Johnny Anderson in 1939 and described by Jean Shepherd on WOR in 1973.  In
the 1973 program (skip to the 18 minute mark),  Shep gives a good
description of the device.  It sounded a lot

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W9YEI's Homebrew 1939 TV?

Posted: 15 Apr 2022 05:46 AM PDT http://soldersmoke.blogspot.com/2022/04/w9yeis-homebrew-1939-tv.html

 I've been thinking about Jean Shepherd's 1973 description of the homebrew
TV receiver built by his friend Johnny Anderson W9YEI in (probably)
1939.   Shep said Johnny got the info on this receiver from the IRE Journal.  But I was thinking that there had to have been "how to build" articles in circulation around that time, and -- if located -- these
articles might provide some insight on what

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"Patrolling the Ether" WWII Video on Radio Direction Finding Efforts

Posted: 14 Apr 2022 02:55 AM PDT http://soldersmoke.blogspot.com/2022/04/patrolling-ether-wwii-video-and-infor.html

I heard about this video while trying to track down information on John
Stanley Anderson's 1939 television receiver.  "Patrolling the Ether" is
kind of hard to find.  It is not really on YouTube.  But there is a good
BARC Vimeo video about WWII RDF efforts that includes at the end the
full "Patrolling the Ether" video.  Here it is:  https://vimeo.com/415926991Thanks to BARC and to Brian Harrison

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The 17 & 12 SSB Transceiver -- Circuit and Build Info -- Video #4

Posted: 13 Apr 2022 02:21 AM PDT http://soldersmoke.blogspot.com/2022/04/the-17-12-ssb-transceiver-circuit-and.html

I REALLY LIKE THIS RIG.
IT IS LIKE A MAGIC CARPET THAT CARRIES MY VOICE ACROSS THE SEAS.Cutting
Display Hole sets off smoke alarm.
Reverse Polarity Protection.
IF and Crystal Filter at 21.470 MHz 50 ohms! TRGHS!
Amp for VXO Carrier Oscillator/BFO.
Mic Amp from uBITX.
Transmit/Receive switching from mic connector.
VFO: NO DIE CAST BOXES! HT-37 Variable Cap, Frequency Shift.
BP filters

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