The Marconi Cohere
While reading about the early days of radio, I came across this schematic of a Guglielmo Marconi receiver, said to be similar to the one that copied his famous first transatlantic message on 12 Dec 1901.
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Scott KR3L
Battery Project
A simple and easy project is a portable power source for remote operations. This project can be used to support SOTA/POTA operations as well as supporting emergency operations.
