[time-nuts] GPRS zero azimuth and elevation, most PRN displayed as not O/K,

Azelio Boriani azelio.boriani at screen.it
Wed Jun 26 09:08:33 UTC 2013


Try to put the elevation mask to 10degrees, not 25
:GPS:SAT:TRAC:EMAN 10

On Tue, Jun 25, 2013 at 8:41 AM, Mark C. Stephens <marks at non-stop.com.au> wrote:
> I have a GPSR2 with unusual; GPS behaviour.
>
> E-113>:syst:stat?
> [ Active ] -------------------- GPSR 2 Status --------------------------------
> SYNCHRONIZATION ........................... [ Outputs Valid/Reduced Accuracy ]
> SmartClock Mode _________________________    Reference OutPuts _______________
>>> Locked to GPS                             TFOM     3          FFOM        0
>    Recovery                                  1PPS TI  +0 ns
>    Holdover                                  HOLD THR
>    Power-up                                  Holdover Uncertainty_____________
>                                              Predict
>
> ACQUISITION ............................................... [ GPS 1PPS Valid ]
> Tracking: 5       Not Tracking: 7            Time ____________________________
> PRN  El  Az  C/N   PRN  El  Az               GPS      06:37:39     25 Jun 2013
>   1    0   0   49    3  Not OK               GPS 1PPS  Synchronized to GPS
> 11    0   0   47    6  Not OK               ANT DLY      28 ns
> 14   25 349   43   15  Not OK               Position ________________________
> 31    0   0   49   18  Not OK               MODE     Hold
> 32    0   0   47   21  Not OK
>                     22  Not OK               LAT      S  33:45:49.374
>                     27  Not OK               LOG      E 151:05:31.495
>                                              HGT              +118.61 m  (MSL)
> ELEV MASK 25 deg
> HEALTH MONITOR ........................................................ [ OK ]
> Self Test: OK   Int Pwr: OK   Oven Pwr: OK   OCXO: OK   EFC: OK   GPS Rcv: OK
> Alarms:    (none)
>
>
> As you can see the Azimuth and elevation are zero.
>
> Group opinion please, bad antenna connector or bad GPS module?
>
>
> -marki
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