Thursday, April 30, 2026

The Agony of Troubleshooting -- Shielding, Bypassing, Testing, Throwing Things at the Wall

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This might not seem like it has a lot to do with homebrew radio, but I had it playing as I was going through a similar level of agony with a...
4 comments:
Tuesday, April 28, 2026

Homebrew Cylindrical Variable Capacitors: What the Steering Wheels are Controlling in Danny's Regen Receiver

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Grayson KJ7UM asked a very good question about Danny ON1MWS's regen receiver :  What were those two very cool "steering wheels...
Monday, April 27, 2026

Other Workshops: Homebrew Sailboats

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In the Dominican Republic I sometimes find myself wanting to take sailing lessons on Juanillo Beach.  Maybe next winter. I've also been ...
5 comments:
Sunday, April 26, 2026

Don KM4UDX Talks about Homebrewing and the Vienna Wireless Society on Red Summit Video-cast with Charlie NJ7V

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It was a really nice surprise to see Don KM4UDX on the Red Summit Video-cast with Charlie NJ7V.  Don talked about homebrewing and the Vienna...
Saturday, April 25, 2026

Heathkits and American Industrial Decline

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This is an interesting video about the rise and fall of the Heathkit company, and how that company affected the rise and fall of American ma...
3 comments:
Thursday, April 23, 2026

SolderSmoke Direct Conversion Receiver -- Total Receivers Built: 132 (124 plus 8 honorable mentions). Total Count: 132. Receivers built in 19 countries.

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The Chuck Adams Build of the SolderSmoke DC RX Please let us know if you spot any errors, or if we have inadvertently missed anyone.  Don...
Tuesday, April 21, 2026

Nader M9KCA-ST2NH's Beautiful Build of the SolderSmoke Direct Conversion Receiver: NO SMOKE!

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  Nader wrote:  Hello everyone! After more than 30 years, I've rebuilt the DCR again. I wanted to share the fun of the 40m SolderSmoke D...

The REALLY BIG Dish: China's Sky Eye

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The technology used is really interesting, as is the struggle to maintain a radio quiet zone around the telescope.  The limestone geology wi...
Sunday, April 19, 2026

Dean KK4DAS and I Receive the G QRP G2NJ Trophy

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This award means a lot to us.  It is for making "the greatest contrbution to international QRP."  Dean and I are both big fans of ...
6 comments:

Mitch NK3H Talks Homebrewing with Charlie NJ7V of Red Summit RF

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This is a really cool interview.  Both Mitch NK3H and Charlie NJ7V are members of the SolderSmoke Direct Conversion Receiver Hall of Fame.  ...
Friday, April 17, 2026

Pete N6QW is our Shifu

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In a comment to a recent post, Mike WN2A wrote:  "N6QW is the Shifu. ( https://en.wikipedia.org/wiki/Shifu )" I found this term in...
3 comments:

Another 40 meter DSB Transceiver

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 I like the homebrew spirit in this one, how it started out as a Direct Conversion receiver and expanded into a full double sideband transc...