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Comet CAA-500 Mark II Commercial Grade SWR/Impedance Analyzer

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RADIOANQ - For Sale: Johnson Signal Sentry

This is a very nice Johnson Signal Sentry, designed to be used with Johnson Transmitters such as the Ranger, Valiant and others. It can be used to monitor your CW or AM signal, mute the receiver while transmitting. It gets its power from the transmitter via a 9-pin octal plug. Super clean and in perfect operating condition. The octal plug looks like new. Tubes have been replaced. $59 plus shipping. Pay via Paypal or USPS Money order.

Listing #1740773 by K8AC
Submitted on 08/24/25
Submitted from 69-77-149-232.skybest.com

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