Wednesday, January 31, 2024

My Manhattan-style Termination Insensitive Amplifier Production Line

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  You gotta love the name, right?  It sounds like some sort of psychological condition.  Perhaps someone who just doesn't care  if his g...
3 comments:
Tuesday, January 30, 2024

Yet ANOTHER Homebrew 15-10 SSB Transceiver (Video #1)

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A homebrew 15-10 SSB Rig for the Dominican Republic: This is my second build of this rig. I am using a 10 pole crystal filter that I built ...
Monday, January 29, 2024

The System Source Museum (Computers, Maryland)

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Thanks to my friend Bob KD4EBM for alerting me to this.  Bob provides some very useful background:  https://museum.syssrc.com/ (Just north o...
3 comments:
Thursday, January 25, 2024

RIP Arno Penzias -- Co-discoverer of the Big Bang Cosmic Background Radiaton

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  Penzias on the right Here it the Penzias Obituary: https://www.npr.org/2024/01/24/1226572843/arno-penzias-obituary-big-bang-theory I think...
1 comment:
Tuesday, January 23, 2024

IMSAI Guy Looks at Counterfeit Chips

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Like some of the commenters, I had been scratching my head wondering why someone would go to all the trouble of counterfeiting electronic pa...
2 comments:
Saturday, January 20, 2024

K0IYE's Thoughts on Homebrewing and Workshops

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Click on the image for a clearer look I like Frank Harris K0IYE's book so much that I don't mind posting about it frequently.   ...
1 comment:
Thursday, January 18, 2024

Some Great Reading Material -- Links to Radio Publications

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  https://www.worldradiohistory.com/Home-DX.htm My fellow Hambassador Dave WA1LBP sent this to me today (from Taiwan, I think).  Lots of gre...
Wednesday, January 17, 2024

Listen to this great contact with KA1BWO on 10 meter AM -- 1800 miles with 4 watts AM

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Joe KA1BWO is a well-known AM operator who moved West to Idaho several years ago.  We had a very nice contact on 10 meter AM on January 14, ...
2 comments:
Tuesday, January 16, 2024

Andreas HB9BLA's Ideas on Building a Lab or Workshop

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Lots of great ideas on workshop or lab design from Andreas, the guy with the Swiss accent.  Andreas is HB9BLA.  I liked all of this, especia...
Monday, January 15, 2024

Clock Chimes from Japan - Contact with JA0LBE

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This contact with Masa was a lot of fun.  2300Z January 14, 2024.  15 meters was obviously in great shape.  Suddenly I started hearing clock...
1 comment:
Sunday, January 14, 2024

QRP Trigger Warning! 500 kW from WLW (great video)

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Wow, this video will make you appreciate the simplicity of QRP!  My favorite part was when  they required the use of "dark welding gogg...
2 comments:
Friday, January 12, 2024

QF-1 Variable Capacitor Problem -- What Should I do?

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For years I have been heartlessly slaughtering innocent Heathkit Q multipliers, just to get these variable capacitors. Dean KK4DAS has join...
11 comments: