Ray That is indeed the protective relay on the RX Ant port. You should find a way to protect the RX Ant port from your TX signal.
There are many products in the market for his purpose. Not sure of the best choice on your side of the Atlantic. 73 jim ab3cv On Sat, Feb 1, 2020 at 5:23 PM raycollins <[email protected]> wrote: > > My K3S is configured to use the RX ANT IN port for a separate Rx antenna. > However, on SSB transmissions I can hear an internal relay operating in > synchronism with peaks in transmit power. I assume this is a relay in the > receiver input protection circuit? > > Is operation of the relay in this manner normal? Apart from finding the > noise rather irritating I am concerned about the reliability of the relay > when it is called upon to operate so many times during a QSO. > > The Tx and Rx antennas are about 10 metres apart and I am transmitting 100 > Watts. > > Thanks for your help, > > Ray M1FJL > > > > -- > Sent from: http://elecraft.365791.n2.nabble.com/ > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
