Showing posts with label Germany. Show all posts
Showing posts with label Germany. Show all posts
Saturday, October 31, 2026

More Clandestine Spy Radios -- Soviet Spies in Japan during WWII -- Spies On The Air! Please Comment!

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Sorge I may have been too quick to dismiss the possibility that Soviet spies built their own radios.  Maybe they did, but with a radio speci...
4 comments:
Wednesday, October 7, 2026

About the Guy Who Brought Us the AADE L/C Meter -- Neil W. Heckt

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  There it is.  The AADE L/C meter.  Many of us have been using these things for years.  I have two of them -- the one that I bought is here...
3 comments:
Sunday, September 27, 2026

The WN2QHL N2CQR Drake 2-B

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I was telling Steve KW4H and Scott K6AUS about my Drake 2-B (Serial #11976):  I got mine when I was still a novice on April 11, 1974. I stil...
2 comments:
Friday, August 14, 2026

Some Great Workshop Ideas from Germany -- What do you think? Is there any overkill? Should I stick with the baby-wipe boxes?

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Here we continue our series on workshops.  This one is in English, so most readers will not need any closed captions nor translation. There ...
7 comments:
Wednesday, August 12, 2026

A German Builder Makes a 2 Meter Receiver - Warts and All!

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First, you probably need to turn on closed captioning, and select autotranslate, probably to English.   This video is worth it.  This fellow...
1 comment:
Sunday, May 24, 2026

CuriousMarc Repairs the French Oscilloscope of His Youth -- ACHTUNG!

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It was very cool to watch CuriousMarc go back and repair the French Oscilloscope that he used as a kid.  I was reminded of my work on a Tek ...
Thursday, May 21, 2026

School for Danger -- the SOE, and Radio, in Nazi Occupied France

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Hack-a-Day had a link to this film .  It is really good.  There is some stuff about radio, and especially the S-Phone system.  But the bigge...
3 comments:
Saturday, January 3, 2026

More on Spark Transmission and Reception -- From Germany. Spark Transmission using a Piezo Fire Starter

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More spark today.  I really liked how Robert Dalby demonstrated spark transmission and reception.  He used a simple Piezoelectric flame star...
Thursday, June 19, 2025

More on Agent Sonya

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I had completely forgotten that my blog had at least two posts on Agent Sonya way back in 2009.  I know there is a lot of interest in her al...
1 comment:
Monday, May 19, 2025

Honorable Mention: Andreas DL1AJG's THREE SolderSmoke Direct Conversion Receivers for Biologists

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  Andreas DL1AJG was another of those intrepid hams who,  in the dark of winter 2023 took up the SolderSmoke Direct Conversion Receiver Chal...
3 comments:
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:
Wednesday, January 15, 2025

The 10 meter Beacon at HI7/N2CQR (and reception reports)

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Above is the 10 Meter beacon at HI7/N2CQR. The first one to hear the beacon was Dean KK4DAS in Northern Virginia, within hours of it going ...