Sunday, December 30, 2018

HT-37 Choke Failure -- Why did this happen? What is your diagnosis?

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Look, it has been 60 years, so I'm not looking for my money back or anything, but having just repaired the LV power supply choke on m...
9 comments:
Saturday, December 29, 2018

KC1FSZ's Peppermint III Homebrew BITX with Mods

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Hi Guys: I had some time over the holiday to finish off my second scratch-built rig.  I am very thankful that I got the work done o...
2 comments:
Friday, December 28, 2018

HT-37 FIXED -- Thanks for all the support

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Don't worry-- I covered it with tape This week I found myself with some unexpected free-time, courtesy of the government shutdown.  ...
1 comment:
Thursday, December 27, 2018

W7RLF Homebrews a Receiver -- FB!

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Ryan W7RLF has joined the small and elite group of radio amateurs who have homebrewed a receiver.  And it is a receiver filled with soul, j...
2 comments:
Wednesday, December 26, 2018

Ghost Ship: Oscar 11 Tumbles Through Space

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First -- Happy Boxing Day to all our UK and Commonwealth friends.  Oscar 11 is a UK-built amateur satellite launched in 1984.   It has b...
11 comments:
Monday, December 24, 2018

50th Anniversary of Apollo 8 (Great video!)

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1 comment:
Saturday, December 22, 2018

Indian Scientists Upbeat on Solar Cycle 25

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https://earthsky.org/space/solar-cycle-24-25-sunspot-predictions
1 comment:
Tuesday, December 18, 2018

All I want for Christmas is... an HT-37 L25 Choke-- 9 Henries at 135 ma

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Following my own advice to prepare for Straight Key Night, I tried to fire up my venerable Hallicrafters HT-37 transmitter. It didn't...
16 comments:
Saturday, December 15, 2018

SolderSmoke Podcast #208

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SolderSmoke Podcast #208 is available:  http://soldersmoke.com/soldersmoke208.mp3 15 December 2018 Pete and the California fire...
3 comments:

Free Book! RHdb -- The Radio Hobbyist's Designbook by K6LHA

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http://hanssummers.com/k6lha-design-book.html
Friday, December 14, 2018

Another AMAZING Homebrew Vacuum Tube (Valve)

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I feel a moral obligation to put these projects on the blog every time I see one.  It just seems like the right thing to do.  Great work o...
4 comments:
Wednesday, December 12, 2018

Built-in Spectrum Analyzer in Hans Summers' QSX Rig.

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I agree completely with the e-mojis.   Wow!  Cool!  I love it!  Hans Summers is a genius.  This is almost enough to make me get with t...
3 comments: