I recall that the newer pucks helped some, but weren't the final fix.
And yes, we set the holdover to 5 minutes now, so thanks for bringing
that up.
-Kristian
On 01/26/2018 12:55 PM, Joseph Falaschi wrote:
There was an issue with the previous version of GPS antennas, that
came with early EPMP1000's. If the GPS antennas you are using are the
ones that came with an E2K then you should have the newer model
though. In any case way back when there was an issue that the old
antennas had in high noise environments. We experienced that first
hand. We haven't see the issue since replacing the GPS antennas
though. I think we still have the holdover timer set pretty high
though which might help you in a pinch until a real resolution is found.
Joe
On Fri, Jan 26, 2018 at 2:47 PM, Kristian Hoffmann
<[email protected] <mailto:[email protected]>> wrote:
I agree, but we graph the tracked/visible satellites on all APs,
and these ones would have, say 10 tracked, and then 0 for hours,
then 10. It was hardly ever a gradual change. We were convinced
it was firmware, or a bad GPS receiver, or puck, etc. and went
down every road we could think of, because it seemed like it had
to be one of those. Out of the 4-5 sites we had with this
behavior, every one was permanently solved by pointing the pucks
up, and I think all of them were in close proximity to a cell tower.
-Kristian
On 01/26/2018 12:36 PM, Josh Luthman wrote:
No satellites doesn't sound like poor signal to me.
Josh Luthman
Office: 937-552-2340 <tel:%28937%29%20552-2340>
Direct: 937-552-2343 <tel:%28937%29%20552-2343>
1100 Wayne St
Suite 1337
Troy, OH 45373
On Jan 26, 2018 3:28 PM, "Kristian Hoffmann" <[email protected]
<mailto:[email protected]>> wrote:
We fought with losing GPS sync on ePMP APs at a couple of
sites. We had been told to point the pucks south to get the
best GPS signal. There were several wild goose chases, as it
seemed upgrading/downgrading firmware fixed it, but only
sometimes. In the end, the solution at each of these sites
was to point the GPS puck straight up. Our best guess was
that there was something overloading the GPS receiver in the
direction we had them pointed. So pointing them up, while
not giving them the best signal, minimized terrestrial
interference. At least that's our theory.
-Kristian
On 01/26/2018 07:39 AM, RickG wrote:
Well, I did check the forums and found I'm not the only one.
I'm going to try downgrading. Was hoping to find someone
here who has gone through it so I dont waste time if it
needs to be RMA'd :)
On Fri, Jan 26, 2018 at 10:27 AM, Ray Savich via
Cambium-users <[email protected]
<mailto:[email protected]>> wrote:
Have you contacted our support folks or the Cambium
Community?
[email protected]
<mailto:[email protected]>
http://community.cambiumnetworks.com/
<http://community.cambiumnetworks.com/>
Join the Conversation
Cambium Networks Community Forum
<http://community.cambiumnetworks.com/>
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of
*RickG
*Sent:* Friday, January 26, 2018 9:20 AM
*To:* Cambium Networks User Group
<[email protected] <mailto:[email protected]>>
*Subject:* [Cambium-users] ePMP 2000 GPS not working
after firmware upgrade
It worked before, upgraded from 3.5.1, no more :(
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--
-RickG
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