[ntp:questions] Motorola Oncore Surveyed Position

Chris Albertson albertson.chris at gmail.com
Tue Sep 6 14:59:00 UTC 2011


There is software that works with the Oncore GPS series.  Called
""SynTAC"  It is Windows-only but it seems to run on my Linux system
under VMware Player.  You can place the UT+ into survey mode and set
other parameters.  It has a graphic Sat. display.   The page says the
licensee expires in 30 days but but, it seems not to.
http://www.synergy-gps.com/index.php?option=com_content&task=view&id=161&Itemid=132

2011/9/6 Miguel Gonçalves <mail at miguelgoncalves.com>:
> Hi Terje!
>
> Thanks for your reply.
>
> I switched again to mode 4 and started again to see if I missed something. I
> believe I'll only have to wait 10000 seconds = 2 hours and 46 minutes... not
> much. :-)
>
> Unfortunatelly clockstats doesn't show position, only time. I believe this
> is because it's in position lock (0D?) mode. Here's a sample:
>
> 55810 40276.220 127.127.30.0 3524296275.999957838 2011 249 11 11 16 15
> rstat   08 dop  0.0 nsat 10,2 traim 1,0,1 sigma 77 neg-sawtooth -24 sat
> 35000080
>
> By the way... I was looking at the clockstats file and noticed that when I
> switched to mode 4 as I said earlier I got this
>
> 55810 40560.366 127.127.30.0 ONCORE[0]: Loading Posn from SHMEM
> 55810 40560.367 127.127.30.0 ONCORE[0]: Setting Posn and Time after Loading
> Almanac
> 55810 40562.091 127.127.30.0 ONCORE[0]: Posn:
> 55810 40562.091 127.127.30.0 ONCORE[0]: Lat = N  41.1745319deg,    Long =
> W   8.6560764deg,    Alt = 146.72m (481.36ft) GPS
> 55810 40562.091 127.127.30.0 ONCORE[0]: Lat = N  41deg 10.4719m,   Long =
> W   8deg 39.36458m,  Alt =  146.72m ( 481.36ft) GPS
> 55810 40562.091 127.127.30.0 ONCORE[0]: Lat = N  41deg 10m 28.32s, Long =
> W   8deg 39m 21.88s, Alt =  146.72m ( 481.36ft) GPS
> 55810 40564.365 127.127.30.0 ONCORE[0]: Waiting for Almanac
> 55810 40567.365 127.127.30.0 ONCORE[0]: Have now loaded an ALMANAC
> 55810 40567.365 127.127.30.0 ONCORE[0]: state = ONCORE_RUN
>
> It seems this is my location... :-) Now you know where I live! :-)
>
> So the position is stored in the shared memory and when I reset the unit
> (mode 4) it uses the position stored in there.
>
> Anyone help care to comment this?
>
> Cheers,
> Miguel
>
> On 6 September 2011 12:33, Terje Mathisen <"terje.mathisen at tmsw.no"@
> ntp.org> wrote:
>
>> Miguel Gonçalves wrote:
>>
>>> 2. When surveying finishes (ONCORE_SS_DONE) where can I get the surveyed
>>> position to save it to /etc/ntp.oncore.0? What is the best procedure? I
>>> don't want to survey every time I power up the unit... (the unit has no
>>> backup power)
>>>
>>
>> Afair the position got written to the log file at that point, then you only
>> have to copy it into the config file and change mode to "use surveyed
>> position".
>>
>> It is 10+ years since I last needed to do this, so I might be
>> mis-remembering, in which case you might find the (raw) info you need in the
>> clockstats log?
>>
>> Terje
>>
>> --
>> - <Terje.Mathisen at tmsw.no>
>> "almost all programming can be viewed as an exercise in caching"
>>
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-- 

Chris Albertson
Redondo Beach, California



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