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by KC4NYK
Tue Apr 15, 2025 11:29 am
Forum: For Sale, Wanted or Swap
Topic: Calling all Boat Anchor-ers! I have run aground and need a tow off of the sandbar!
Replies: 0
Views: 1447

Calling all Boat Anchor-ers! I have run aground and need a tow off of the sandbar!

Hello All,

I have a Swan 350 that I would like to sell in working order with serial # C212908, which, according to ChatGPT, would make it a rare vintage 1968 rig. Making it even rarer, it has a working power supply.

The last time it was on the bench it was successfully receiving on, if I ...
by KC4NYK
Thu Feb 27, 2025 2:24 pm
Forum: Builders and Experimental
Topic: Keypad Voltage Programming
Replies: 0
Views: 13641

Keypad Voltage Programming

Hey John,

Thanks again for the germanium diode!! It will sing later today! For now I remembered your question about replacing a rotary switch with a numpad or other button-based solution and found this - http://www.technoblogy.com/show?NGM. This can all be programmed on an ATtiny or ATtiny85 - I ...
by KC4NYK
Thu Jan 30, 2025 4:17 pm
Forum: Builders and Experimental
Topic: The best diode type for a crystal set?
Replies: 4
Views: 26543

Re: The best diode type for a crystal set?

Thanks John! Yep, I'm eagerly awaiting my "official" 1N36 and 1N3666 germaniums as we speak from Surplus-Electronics. If those don't work I pop for the $8 ones ( that's EACH) on United Nuclear's site. Although the very terms "united" and "nuclear" in a business name gives me pause after watching ...
by KC4NYK
Sun Jun 16, 2024 5:34 pm
Forum: Gennies and Regeneration, super-regeneration too.
Topic: Gennies - Regenerative Receivers.
Replies: 6
Views: 41790

Re: Gennies - Regenerative Receivers.

Hi John,

Wishing everyone a Happy Father's Day and basking in the afterglow of getting my one transistor transmitter on the air and putting out a mind bending 300 mW! Add to that picked up on RBN 233 miles away in PA and you can feel the oscillatory love!!

Now for more "gnarly news", my latest ...