Tuesday, December 31, 2019

Diode Ring Mixers via Ryan Flowers



Diode Ring Mixers via Ryan Flowers

Diode Ring Mixer
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Bifilar and Trifilar Wire Twisting

Over at QRPLabs@groups.io there is s discussion going on about Bifilar and Trifilar wire twisting:
Bifilar and Trifilar Wire Twisting Discussion

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W2NDG's RadioKitGuide.com


W2NDG's RadioKitGuide.com UPDATED 12/10/2018


Radio Kit Guide

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Tuesday, December 24, 2019

New Antennas from Vertical-Array.

I just saw this antenna mentioned.

Vertical-Array
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Friday, December 13, 2019

WW II Aircraft Radio Restoration

Gregory Charvat N8ZRY writes on Hackaday about an un-modified-since-WW2 surplus CBY-46104 receiver with dynamotor

WW II aircraft radio restoration
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