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...
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...