The radio in question is an EPMP1000  pre GLONASS, Have not done any on-site troubleshooting yet.  i had the holdoff timer set to 1 week, so it didn't cause me a problem until i rebooted it during the time that it didn't have any satellites available.  I saw the GPS satellites increase on all AP's on the network EPMP1k,2k,3k, they all picked up 2-3 Sats in March.

On 5/24/2021 3:24 PM, Josh Luthman wrote:
My first guess would be a new site causing noise for your GPS.  Are these 3KL?  Did you add a puck/remove the puck?  Assuming on boarding timing.

Josh Luthman
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On Mon, May 24, 2021 at 2:39 PM Steve Jones <thatoneguyst...@gmail.com <mailto:thatoneguyst...@gmail.com>> wrote:

    did you push any firmware updates around that time, pretty much
    every firmware I assume has some tweak to GPS to get it working
    correctly. Are these using the internal CPS receiver, or the
    external puck, the pucks will always do weird stuff, they go
    straight in the trash around here. To reboot a puck requires a
    full power cycle, not just a software reboot. I assume theres a
    capacitor involved somewhere that otherwise doesnt discharge and
    keeps a component of the external puck powered

    On Mon, May 24, 2021 at 11:09 AM Nate Burke <n...@blastcomm.com
    <mailto:n...@blastcomm.com>> wrote:

        I am fighting some GPS issues on an EPMP radio, and I was
        looking back at my GPS Visible/tracked graphs.  Something
        happened around the 3rd week of March, the number of
        Visible/tracked satellites increased by 2-3 on almost every
        EPMP radio in my network.  Except for the Radio giving me
        trouble, on that EPMP radio, starting in the 3rd week of March
        it loses GPS signal entirely for multiple hours per day. The
        other 2 EPMP radios on the same site show the 2-3 satellite
        increase.  I think this is an Old EPMP1000 radio that only has
        GPS, not GLONASS.  It looks like 2 new GPS Sats were launched
        last year, but they were both online before the end of 2020. 
        We're in the Chicago Market, did Anyone else see GPS changes
        in March?

        These 2 radios are on the same site.  Visible/tracked.

        Working AP


        AP with GPS Trouble


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