An amateur radio repeater used to be a complex assemblage of equipment that would easily fill a 19″ rack. There would be a receiver and a separate transmitter, usually repurposed from commercial units, a home-made logic unit with a microprocessor to keep an eye on everything, and a hefty set of filters to stop the transmitter output swamping the receiver. Then there would have been an array of power supply units to provide continued working during power outages, probably with an associated bank of lead-acid cells.
Rtl-sdr and raspberry pi amateur radio repeater
A kindly fellow glyos-phile sent me the tribute to Fisher Price Space Commander Pheyden! (Tribute on left, original on right) (along with heads and…
Originally published at The Scotto Grotto (org). You can comment here or there.