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8600M with GPSDO

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Bill Boedeker
Bill Boedeker Member ✭✭
in FLEX-8000 Signature Series
I received my new 8600M with GPSDO about a month and a hale ago. When first received, it did not look like the GPSDO was working. Since then I believe that the unit is working, but it must warm up before operating. The power light does not stay on when I turn the radio off so GPSDO is not kept warmed up. Is this something that will be solved when 3.9 firmware comes out or do I need to file a Help Desk ticket?
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Best Answer

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    Answer ✓
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    You may wish to follow up with support.

Answers

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    edited May 2025
    Options

    If you leave the 12V DC Power on, the GPSDO will stay running. If it does not, please open a support ticket.

    Also, the warm up time is directly releated to the location of your GPS antenna. Where do you have it installed?

  • Bill Boedeker
    Bill Boedeker Member ✭✭
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    Mike, the 12VDC has been hooked up for over a month and has not been shut down. My antenna is glued to the inside of a sliding glass door which faces southwest. I used this same antenna on my 6600M with the gpsdo and it worked fine.
  • TimW
    TimW Member ✭✭
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    Try the GNSS antenna that came with the 8600 if you haven’t already. The older single band GPS antennas don’t work properly with my 8600.
  • Bill Boedeker
    Bill Boedeker Member ✭✭
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    Tim, I tried the new antenna and it worked the same as the old one. Flex has determined that I have a bad GPSDO and is sending a replacement radio with GPSDO.
    Thanks everyone for your help.

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