Showing posts with label Germany. Show all posts
Showing posts with label Germany. Show all posts
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 ...
Sunday, December 29, 2024

Other Kinds of Workshops -- Making a Clock with a Lathe

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Somehow, this video fits well with the SolderSmoke theme.  It may be that Uri cheerfully acknowledges that the lathe can kill you (the same ...
Monday, May 13, 2024

Ragnar LA1UH's Wonderful Museums in Norway

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Here are two more great museum visits by Helge LA6NCA.  In these two he visits Ragnar LA1UH.   Ragnar has a lot of maritime experienc...
Wednesday, April 10, 2024

Homebrew-to-Homebrew Contact on 17 meters with DL2RMM (Video)

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  Here is short clip of a very cool HB2HB contact on 17 meters.  Thanks Jens!  Check out his QRZ page here:  https://www.qrz.com/db/DL2RMM
1 comment:
Saturday, November 25, 2023

Some Short-Wave Listener QSL Cards

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Click for a better view I haven't received many, but I always like QSL cards from shortwave listeners.  Someone out there is listening! ...
Tuesday, October 31, 2023

Building a Crystal Set (Videos)

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Andreas DL1AJG in Germany sent the above video to me.  Andreas is the fellow who ran the course in which his university-level students built...
1 comment:
Friday, October 27, 2023

A NETFLIX Series with Boatanchors and Direction-Finding -- All the Light We Cannot See

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Looks good.  November 2, 2023. 
1 comment:
Sunday, October 15, 2023

Spy Rigs, Para Sets, Bugs, and Enigma Machines -- Dr. Tom Perera W1TP (video)

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This is a really amazing presentation by Tom Perera W1TP to the Fairlawn (NJ) Amateur Radio Club.  There is so much great info in this prese...
Friday, June 30, 2023

SolderSmoke Podcast #247 -- Hating on the IC-7300, Pete Goes FT-8 with a KWM-1, Bill's 15-10 Rig, MAILBAG

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Bill's 15-10 Rig -- Click on image  SolderSmoke Podcast #247 is available:  Audio Podcast:  http://soldersmoke.com/soldersmoke247.mp3 Vi...
10 comments:
Monday, June 12, 2023

Germany: Direct Conversion Receiver Success!

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Dear Bill, Please my apologies for my late update on our DCR project. We started with the course in the semester break and once the semester...
14 comments:
Sunday, June 4, 2023

Can you ID this Receiver? Grayson Finds a Homebrew Receiver in Germany. From the GDR. Circuit? Schematic? Thermatrons?

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  Grayson Evans KJ7UM (the author of  Hollow State Design ) was recently in Germany where he spotted this museum display of a homebrew recei...
2 comments:
Monday, August 8, 2022

Polyakov (RA3AAE) Direct Conversion Receiver: 40 meter DC RX with VFO at 3.5 - 3.6 MHz (with video)

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I've been reading about Polyakov (or "sub-harmonic") Detectors for a long time:  https://soldersmoke.blogspot.com/search/label...
4 comments:
Friday, August 5, 2022

SolderSmoke Podcast #239: Hex DX, VFO Temp Comp, DC RX, Polyakov!, DX-100, Wireless Set, Farhan's "Daylight Again" HDR rig, MAILBAG

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N2CQR Hex Beam Aimed at Europe SolderSmoke #239 is available for download:  http://soldersmoke.com/soldersmoke239.mp3 TRAVELOGUE :   James...
1 comment:
Wednesday, August 3, 2022

Can a Biologist Fix a Radio?

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  Andreas DL1AJG (who in real life is a professional biologist) sends us this excellent article about how biologists approach problems in li...
3 comments: