With mine being daylight times I was wondering about sun reflecting and doing something odd like heating a puck causing some faulty connection to separate, or some thermal thing
On Tue, May 8, 2018, 12:54 PM Josh Luthman <[email protected]> wrote: > No resolution. > > I started graphing the epmp satellites visible and tracked. Visible is > always above 7 with an average of 12.44. However the tracked dips down to > 0 around 7-12 at night with an average of 6.93. > > So what would make the GPS puck see the satellites but not track them? > Why would it matter what time of day? > > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > On Mon, May 7, 2018 at 11:02 PM, Steve Jones <[email protected]> > wrote: > >> did you find any resolution? we are starting to see this between 2pm and >> 6pm at different sites, but not all APs at the sites, only common thin is >> theyre mounted on the east side, but have full 360 degree sky. switching to >> internal fixes it, but internal is just generating sync isnt it? it takes >> away the front/back option in the gui >> EPMP is rock solid stuff, with the exception of puck issues >> >> On Wed, Apr 11, 2018 at 10:14 PM, Josh Luthman < >> [email protected]> wrote: >> >>> FWIW it's on the south side of a water tower. There's little to no >>> signal from the northern sky. >>> >>> Of course I'm pretty sure the tower isn't moving some weird way every >>> night... >>> >>> Josh Luthman >>> Office: 937-552-2340 >>> Direct: 937-552-2343 >>> 1100 Wayne St >>> <https://maps.google.com/?q=1100+Wayne+St+Suite+1337+Troy,+OH+45373&entry=gmail&source=g> >>> Suite 1337 >>> <https://maps.google.com/?q=1100+Wayne+St+Suite+1337+Troy,+OH+45373&entry=gmail&source=g> >>> Troy, OH 45373 >>> <https://maps.google.com/?q=1100+Wayne+St+Suite+1337+Troy,+OH+45373&entry=gmail&source=g> >>> >>> On Fri, Apr 6, 2018, 6:00 PM Bill Prince <[email protected]> wrote: >>> >>>> Just checking ours. I thought it happened once every month or two, but >>>> I guess it's not even that often. The snapshot from the last 3 months >>>> indicate that it got close to losing it in week 12, but it seems to have >>>> lived through it, even though it got down to 3 satellites tracked. >>>> >>>> bp >>>> <part15sbs{at}gmail{dot}com> >>>> >>>> >>>> On 4/6/2018 2:48 PM, Brian Sullivan wrote: >>>> >>>> We have this at a couple sites each year. Usually, I can mount the GPS >>>> antenna in a different place and solve the issue. Whats interesting is, I >>>> don't see this issue with the SyncBoxes, only CMM Micro. And I have both >>>> at the same towers affected. >>>> >>>> On 4/6/2018 4:39 PM, Bill Prince wrote: >>>> >>>> We have a SyncInjector mounted on the south side of a concrete >>>> building. The building is thick concrete ( > 12"), and extends up above >>>> the location of the GPS antenna 30 or 40 feet. The building is also a >>>> shallow "V" shape with the GPS antenna at inside base of the V. So the GPS >>>> antenna gets about 170° view of the sky to the south. >>>> >>>> It goes through a periodic cycle of visibility, but it's not the same >>>> time every night, or even every day. >>>> >>>> >>>> bp >>>> <part15sbs{at}gmail{dot}com> >>>> >>>> >>>> On 4/6/2018 2:20 PM, Forrest Christian (List Account) wrote: >>>> >>>> But the question is, why at the same time every day? Especially since >>>> the gps satellites don't orbit on a 24 hour period... that's what has me >>>> troubled with my customer. >>>> >>>> On Fri, Apr 6, 2018, 2:11 PM Bill Prince <[email protected]> wrote: >>>> >>>>> Exposure to the north or south should not make a significant >>>>> difference. GPS satellites, excepting the WAAS satellites, are not in >>>>> geostationary orbits. They are (mostly?) in medium earth orbit of around >>>>> 12,000 miles. >>>>> >>>>> I think it may be more of how much of the sky they can see. >>>>> >>>>> bp >>>>> <part15sbs{at}gmail{dot}com> >>>>> >>>>> >>>>> On 4/6/2018 1:45 PM, Dave wrote: >>>>> >>>>> how much exposure to the northern hemisphere does it have? >>>>> If I remember those antennas are fairly small >>>>> >>>>> >>>>> On 04/06/2018 10:15 AM, Josh Luthman wrote: >>>>> >>>>> I have an epmp that has GPS problems and goes into the hold timer for >>>>> a few minutes every single night for the last many months (maybe even a >>>>> year). >>>>> >>>>> Didn't think much of it until I noticed all of the times being right >>>>> around midnight, give or take... >>>>> >>>>> WTF? Any ideas what's causing it? >>>>> >>>>> Josh Luthman >>>>> Office: 937-552-2340 >>>>> Direct: 937-552-2343 >>>>> 1100 Wayne St >>>>> <https://maps.google.com/?q=1100+Wayne+St+%0D%0A++++++++++++++++++++++++++++++Suite+1337+%0D%0A++++++++++++++++++++++++++++++Troy,+OH+45373&entry=gmail&source=g> >>>>> Suite 1337 >>>>> <https://maps.google.com/?q=1100+Wayne+St+Suite+1337+Troy,+OH+45373&entry=gmail&source=g> >>>>> Troy, OH 45373 >>>>> <https://maps.google.com/?q=1100+Wayne+St+Suite+1337+Troy,+OH+45373&entry=gmail&source=g> >>>>> >>>>> >>>>> -- >>>>> >>>>> >>>>> >>>> >>>> >>>> >> >
