Showing posts with label Tubes. Show all posts
Showing posts with label Tubes. Show all posts
Saturday, December 27, 2025

The Coastwatchers -- Their Rigs and Their Islands

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  AWA Teleradio 3BZ used by coastwatchers during the war Source: Australian War Memorial (P01035 .006) Here is a great site about the AWA 3B...
1 comment:
Wednesday, December 24, 2025

A VERY Interesting Old "Steam Punk" Homebrew Thermatron Rig -- Can You Suggest A Home for this Rig? (Video)

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Oh man.  They got me at the breadboard, but there was so much more:   -- A mercury switch --  A homebrew variometer -- A reading lamp -- A s...
1 comment:
Thursday, August 7, 2025

SolderSmoke Podcast 261: Travel, AI-Apocalypse, ARRL Award, Amplifiers (with Claude) , Transcoms, Smoke released in DR, QRP, CW, MAILBAG

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SolderSmoke Podcast #261 is available for download:  Audio:  http://soldersmoke.com/soldersmoke261.mp3 Video:   https://www.youtube.com/watc...
5 comments:
Tuesday, July 29, 2025

The Guy with the USB-powered X-Ray Machine -- The Identity of the Project 326 Builder

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This morning a comment came in from Hong Kong/Shenzhen that explained who Project 326 is and why he was saying "tubes" and not ...
2 comments:
Friday, July 18, 2025

Britain's EF-50 Valve (Tube, Thermatron) in WWII

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Thanks to Rogier PA1ZZ for sending us this. 
2 comments:
Wednesday, May 21, 2025

Grayson Evans KJ7UM Interview at Four Days in May at the Dayton Hamvention 2025

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  LISTEN TO THE INTERVIEW HERE:  http://soldersmoke.com/KJ7UM at Dayton 2025.mp3 Grayson said quite a lot in this short 4 minute interview: ...
Thursday, April 24, 2025

The Copasteic Flow Blog -- German UHF Mobile CW Through a Geostationary Satellite, Agent Sonya's Homebrewing, More

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It is always good to be reminded that someone out there is listening and reading,  especially when it is nice folks like Hamilton and his fa...
1 comment:
Thursday, April 17, 2025

"Seems Like Radio is Here to Stay" -- Old Radio, Radio Magic

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The first 12 minutes of this podcast are pretty good.  I think it captures well the wonder of radio -- magic carpets, signals taversing the ...
1 comment:
Friday, March 14, 2025

Victor's FB SolderSmoke Direct Conversion Receiver from Holland Pulls In Stations from All Over Europe... and One from Japan

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Victor is a retired Electrical Engineer from the Netherlands.  He doesn't have a ham radio call sign, but as I have said about other rec...
1 comment:
Tuesday, February 4, 2025

Mr. Carlson Restores a BC-348 -- But 40 Meters Sounds Very Weak. Why?

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Mr. Carlson mentions that he is a ham radio AMer.  He is also on SSB, but AM is, he says, his preferred mode.  FB.  I got a real chuckle abo...
4 comments:
Wednesday, January 22, 2025

A Tale of Woe from Mike WU2D, PLUS: The Importance of Band Noise

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It was so cool to watch master homebrewer Mike WU2D candidly describe his error (tale of woe) made while building the Simple X Super receive...
Friday, January 10, 2025

What Homebrew Looks Like (And W9BRD comment on the High School receiver project)

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Clikc on the picture for a clearer view of this fantastic image Dave Newkirk is the son of Rod Newkirk, the guy who wrote the inspirational ...
Friday, December 13, 2024

SolderSmoke Podcast #255 -- Accept the HB Challenge!, DeMaw SSB, Brilliant TR-3, Tube Talk, Ground Truth, Tales of Woe, SDR RX, Pico Balloons, MAILBAG

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Mythbuster II -- 20 meters only SolderSmoke Podcast #255 is avalable:  Audio:       http://soldersmoke.com/soldersmoke255.mp3 Video:        ...
8 comments: