On 18 December 2016 at 22:41, Dr. David Kirkby (Kirkby Microwave Ltd) <
drkir...@kirkbymicrowave.co.uk> wrote:
> It is looking much better now. I
>
> 1) Powered off
> 2) Left off for 30 s
> 3) Pulled antenna out.
> 4) Powered on
> 5) Connected antenna, making sure if was firmly screwed in.
>
> It
drkir...@kirkbymicrowave.co.uk said:
> I assume it wont start until it has tracked sufficient number of satellites.
There is a chicken-egg problem with getting started. The satellites tell you
where they are, but you need to know where they are and where you are in
order to calculate the Doppl
It is looking much better now. I
1) Powered off
2) Left off for 30 s
3) Pulled antenna out.
4) Powered on
5) Connected antenna, making sure if was firmly screwed in.
It then got GPS lock in a few minutes. It is running at reduced accuracy,
with the survey only 9.7% complete, but it is looking mor
On 18 December 2016 at 18:19, Dan Rae wrote:
> On 12/18/2016 9:34 AM, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
>
>>
>> *12 -- ---MODE Survey: 0%
>> complete
>>
>>
> If it's still showing that after being on for five hour
On 12/18/2016 9:34 AM, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
*12 -- ---MODE Survey: 0%
complete
If it's still showing that after being on for five hours, maybe it needs
to be explicitly told to s
On 18 December 2016 at 14:31, Tim Shoppa wrote:
> A common misconception, is that holdover is the opposite of GPS lock.
> Sometimes we might even talk about the two as if we're in one or the other.
> But really the power-on state, is that we're in neither holdover or GPS
> lock.
>
> Holdover mean
On 18 December 2016 at 17:34, Dr. David Kirkby (Kirkby Microwave Ltd) <
drkir...@kirkbymicrowave.co.uk> wrote:
> But perhaps things have improved, as its not attempting to track 6
> (PRN=15, 2, 21, 25, 26 and 28), whereas before it was attempting to track
> just with a PRN of 32. I'm hoping its cu
A common misconception, is that holdover is the opposite of GPS lock.
Sometimes we might even talk about the two as if we're in one or the other.
But really the power-on state, is that we're in neither holdover or GPS
lock.
Holdover means the smartclock previously had GPS lock and had used it to
c
I believe the "Holdover" function only occurs when you you loose just
the satellites
Once locked disconnect the antenna for a minute and you will see the
holdover LED light.
IF the unit looses POWER it has no way of of powering the oscillator and
its ovens ( to do a holdover) and has no wa
My 58503 GPS time/frequency reference had its power disconnected a few
times yesterday as I moved things in the lab. At the modem the status of
the LEDs are
* Power green
* GPS lock - not lit
* Holdover - not lit
* Alarm - not lit.
That is what the manual says will happen when power is first app
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