{Collins} Cheap KWS-1 antenna changever relay

If you want a cheap alternative to the rare and expensive Ameco Collins KWS-1 changeover relay, buy one of the readily available Collins Ameco 044-1976-31 115V DC versions, pop a Diode in the circuit and an 8uF electrolytic across the relay coil and you have a very quiet and perfectly good relay for a fraction of the cost ~ mine was $20. (You may have to add a gender changer BNC/N-type connector on the RX side) perfect for all the 32V* and KWS-1 transmitters as well as many other Collins applications, does not seem to lag or hang either.

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