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Loss of receive unless I switch TX to unused antenna port

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Patrick W9PDS
Patrick W9PDS Member ✭✭
in FLEX-6000 Signature Series

Hello, I opened a ticket with this issue today. Posting here to see if anyone has come across this issue:


Flex 6700, Software 3.2.29. Windows 10 or Maestro (happens on either interface)


I only have one antenna currently plugged into ANT1. I noticed particularly bad receive performance today but had no problem transmitting with low SWR. After messing around with the radio for a while, I discovered that if I switch the TX to ANT2 while keeping ANT1 selected with RX, I get full RX performance back.

THERE IS CURRENTLY NO ANTENNA CONNECED TO ANT2 AT ALL.

I have attached screenshots of the difference.

Things I have tried:

-Factory reset

-Recreated the issue with Maestro, not just SmartSDR.

-I moved my antenna to ANT2 port. THen the problem happens in reverse. I cannot get good receive performance unless TX is selected on ANT1.



Screenshot 2021-09-26 080233.jpg
Screenshot 2021-09-26 080254.jpg


Any help would be appreciated. Thanks.

Answers

  • KD0RC
    KD0RC Member, Super Elmer Moderator
    Options

    Hi Patrick, it sounds to me like a relay or switching problem in the rig. I don't know of anything "normal" that could cause this issue. You did the right thing by submitting a helpdesk ticket.

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