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bearfootIII base tube amp ...transformerless!!!!read on(pic)
Cool! Add a couple of VR tubes and a transformer for the B+ and you'll have an Elkin amplifier. Gotta figure Ray Felts' starting point was a design like this one.
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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