Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-05-08 Thread Steve Jones
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 
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 
> 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 <
>> j...@imaginenetworksllc.com> 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
>>> 
>>> Suite 1337
>>> 
>>> Troy, OH 45373
>>> 
>>>
>>> On Fri, Apr 6, 2018, 6:00 PM Bill Prince  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
 


 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
 


 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  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
> 
>
>
> 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
> 
> Suite 1337
> 
> Troy, OH 45373
> 
>
>
> --
>

Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-05-08 Thread Josh Luthman
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 
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 <
> j...@imaginenetworksllc.com> 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
>> 
>> Suite 1337
>> 
>> Troy, OH 45373
>> 
>>
>> On Fri, Apr 6, 2018, 6:00 PM Bill Prince  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
>>> 
>>>
>>>
>>> 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
>>> 
>>>
>>>
>>> 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  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
 


 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
 
 Suite 1337
 
 Troy, OH 45373
 


 --



>>>
>>>
>>>
>


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-05-07 Thread Steve Jones
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 
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
> 
> Suite 1337
> 
> Troy, OH 45373
> 
>
> On Fri, Apr 6, 2018, 6:00 PM Bill Prince  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
>> 
>>
>>
>> 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
>> 
>>
>>
>> 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  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
>>> 
>>>
>>>
>>> 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
>>> 
>>> Suite 1337
>>> Troy, OH 45373
>>>
>>>
>>> --
>>>
>>>
>>>
>>
>>
>>


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-11 Thread Josh Luthman
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
Suite 1337
Troy, OH 45373

On Fri, Apr 6, 2018, 6:00 PM Bill Prince  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
> 
>
>
> 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
> 
>
>
> 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  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
>> 
>>
>>
>> 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
>> Suite 1337
>> Troy, OH 45373
>>
>>
>> --
>>
>>
>>
>
>
>


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Bill Prince
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


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


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 > 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


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
Suite 1337
Troy, OH 45373


-- 










Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Brian Sullivan
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


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 > 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


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
Suite 1337
Troy, OH 45373


-- 








Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Bill Prince
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


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 > 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


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
Suite 1337
Troy, OH 45373


-- 






Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Forrest Christian (List Account)
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  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
> 
>
>
> 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
> Suite 1337
> Troy, OH 45373
>
>
> --
>
>
>


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Bill Prince
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


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
Suite 1337
Troy, OH 45373


--




Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Forrest Christian (List Account)
I have a customer which has this happen at several sites all at a similar
time every night.

On Fri, Apr 6, 2018, 8:15 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
> Suite 1337
> Troy, OH 45373
>


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Dave

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
Suite 1337
Troy, OH 45373


--


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Jaime Solorza
It's Aliens. Download GPS status app on phone...compare with your
reading on epmp...

Jaime Solorza

On Fri, Apr 6, 2018, 9:34 AM Mathew Howard  wrote:

> We have a couple of them that'll lose GPS signal for a couple hours pretty
> much every day (I'm not sure if it's every single day or not, but it is
> most days). One of them is mounted on the north side of a silo, so it have
> a very poor view of the sky, especially to the south. My theory is that
> because it's mounted in a bad spot it can only pick up signal at certain
> times of day because of the position of the satellites.
>
> It could also be that there's something going on at that time of day,
> everyday, that's interfering.
>
> On Fri, Apr 6, 2018 at 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
>> 
>> Suite 1337
>> 
>> Troy, OH 45373
>> 
>>
>
>


Re: [AFMUG] GPS problems around 11:30 to 1:30 every night

2018-04-06 Thread Mathew Howard
We have a couple of them that'll lose GPS signal for a couple hours pretty
much every day (I'm not sure if it's every single day or not, but it is
most days). One of them is mounted on the north side of a silo, so it have
a very poor view of the sky, especially to the south. My theory is that
because it's mounted in a bad spot it can only pick up signal at certain
times of day because of the position of the satellites.

It could also be that there's something going on at that time of day,
everyday, that's interfering.

On Fri, Apr 6, 2018 at 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
> 
> Suite 1337
> 
> Troy, OH 45373
> 
>