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Here birdie birdie

AB7R
AB7R Member ✭✭
in FLEX-8000 Signature Series

While setting up some memories in SSDR (current ver) I was doing one for 6M. No antenna is connected. I notice a whole bunch of birdies. Chances are they will be hidden by band noise with the antenna connected. But there sure are a lot of them.

Comments

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin

    Without a screen shot, my guess is it that it is your LAN noise or some other switching power supply.

    You can actually receive signals (noise) by other cables connected to the radio such as power, speakers, cw key, etc. These common mode currents can make it to the receiver and this is what you are seeing. The solution to remove this spurs is chokes on all other cables.

    https://palomar-engineers.com/rfiemi-solutions/Flex-Radio-Transceiver-RFI-Kits-c34303004
  • AB7R
    AB7R Member ✭✭

    thanks Mike. If i choke it anymore the police will arrest me for murde

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