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I would greatly appreciate some guidance on making an RF Gain circuit for my back up radio, a Realistic TRC-440. I can email schematic, but would have to scan the document. Thanks!
It's obvious to me that the Teddy has a different version of the 505 board. Although the Teddy doesn't have an RF gain,it has power and modulation adjustment points on it whereas the 505 can only benefit by adjusting L205 and spreading L203 and using a good power mic
Is it possible to be on a lake and have a homing directional beam being emitted from the shore so a person could navigate to that beam's source? For example at night to a jetty.
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
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