Sunday, February 25, 2024

Innovation and a Dual Band Sweep with Version 2 of the 15-10 Transceiver

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Here are a couple of videos on Version 2 of my 15-10 SSB transceiver.  In the video above I try to show the advances and innovations that ha...
3 comments:
Saturday, February 24, 2024

More on "Kludge" -- Merriam-Webster's Pronunciation Guide

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 https://www.merriam-webster.com/dictionary/kludge What say our British cousins?  How do you pronounce the word?  Kluge as in huge?  Kludge ...
8 comments:

Innovations and Inventions in Garages and Basements

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The Hewlett-Packard garage There is a lot of inspirational stuff in this blog post, especially for those of us who work in home workshops, o...
Thursday, February 22, 2024

Some of my Double Sideband Rigs: Azores, Virginia, Dominican Republic

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The above video describe a round of mods to the much modded DSB rig. And my alleged winning of the ARRL Sweepstakes (in a very elite categor...

The Mars Helicopter and its CO2 Insulation

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This video isn't about homebrew ham gear, but nonetheless I found it very interesting.  Of particular interest is the bit about their ne...
5 comments:
Monday, February 19, 2024

Grayson Evans KJ7UM Video on Homebrewing with Thermatrons

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Grayson Evans KJ7UM is the author of Hollow-State Design for the Radio Amateur, a wonderful book about using Thermatrons (aka tubes, or val...
2 comments:

Jean Shepherd has Trouble with his Heising Modulator (and his date)

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This is probably Jean Shepherd's best program about homebrew ham radio.  It is about how we can become obsessed with the problems that a...
1 comment:
Saturday, February 17, 2024

Nate KA1MUQ's Amazing Thermatron Receiver

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https://natesbasement123.blogspot.com/2024/02/thank-you-bill-dean-grayson-pete-and.html Wow, some really wonderful work is taking place in N...
1 comment:
Friday, February 16, 2024

Shuji Nakamora and his (Juliano) Blue Gallium Nitride LED

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Lots of great stuff in this video:   -- They get the charge carrier thing right:  contrary to many presentations, holes don't really mov...
1 comment:
Thursday, February 15, 2024

More Inspiring Mail! Another "First Ever Receiver was Homebrew"

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Frank's Lowfer Beacon Receiver It was great to hear from someone else who, like Scott KQ4AOP, heard his very first signals on a homebrew...
2 comments:
Wednesday, February 14, 2024

We Get Mail! Red Poster? Really a Tapestry from Ecuador

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Listener Tobias was laid up yesterday, following the extraction of wisdom teeth. (This seems like an appropriate follow-up to our talk in So...
1 comment:
Tuesday, February 13, 2024

Ferdy HB9DSP's 5 band Moxon -- The Moxhorn!

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  Click on the image for a clearer view Wow, I couldn't even build a 2 band Moxon, but Ferdy has built a 5 band version.  He told me tha...