Tuesday, July 29, 2025

The Guy with the USB-powered X-Ray Machine -- The Identity of the Project 326 Builder

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This morning a comment came in from Hong Kong/Shenzhen that explained who Project 326 is and why he was saying "tubes" and not ...
1 comment:
Sunday, July 27, 2025

Joe N90K's FB SolderSmoke Direct Conversion Receiver

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Congratulations to Joe N9OK on his homebrew build of the SolderSmoke direct conversion receiver. Welcome to the Hall of Fame Joe.   Joe make...
4 comments:
Saturday, July 26, 2025

Ham Radio Ireland Magazine available for free download

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I was recently talking on 17 meters to my good friend Mike EIOCL.  He mentioned that Steve Wright EI5DD had put out new editions of Ham Radi...
3 comments:
Friday, July 25, 2025

The Decline in Quality

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"Artificial intelligence itself could deteriorate if no action is taken. In 2024, bot activity accounted for almost half of internet tr...
4 comments:
Wednesday, July 23, 2025

The Red-Shifted Neutral Hydrogen Signal from the Cosmic Dark Ages is in the Range of our Direct Conversion Receiver

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On the flight to the Dominican Republic I was listening to Fraser Cain's interview with Dr. Christiaan Brinkerink.   I was kind of blown...
Monday, July 21, 2025

Fritz's FB SolderSmoke Direct Conversion Receiver

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Fritz did an excellent job on his build of the SolderSmoke Direct Conversion receiver.  Fritz writes:  Hi folks!  First-time radio builder h...
3 comments:
Friday, July 18, 2025

Britain's EF-50 Valve (Tube, Thermatron) in WWII

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Thanks to Rogier PA1ZZ for sending us this. 
2 comments:
Saturday, July 12, 2025

Looking for a Web Person to Create a WordPress Staging/Backup site for this blog.

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I can supply the backup files and the Template backup.  I need someone who can create a backup site for this blog.   I think it should be in...
18 comments:

A USB-powered Homebrew X-ray machine. And who is Project 326?

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This is an interesting project.  The use of dental X-ray packs was really innovative. The approporately snarky presentation about nanny-stat...
6 comments:
Friday, July 11, 2025

How many of you guys have changed the clutch on a Heathkit HW-101 (or similar rig)?

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That circular thing on the right is the "Plastic Clutch" on the Heathkit HW-101.   Mine dried out and shattered when I pushed the ...
Wednesday, July 9, 2025

Oscillation! Negative Resistance! Barkhausen Explained Very Well!

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It is not every day that we find a web site or a YouTube video that discusses negative resistance and the Barkhausen criteria.  But that day...
3 comments:

Dan KF5DAN's FB SolderSmoke Direct Conversion Receiver

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It is a happy occassion whenever we get to announce a new member of the SolderSmoke Direct Conversion Receiver Hall of Fame.  And Dan KF5DAN...
2 comments: