[IGSSTATION-5397] R: Re: JOZ2, JOZE: health bits corrected

[Colucci Giuseppe]

Speaking of Leica receiver, does this mean that the Leica is not tracking unhealthy satellites anymore ?


Many thanks for your support,
Pino Colucci



-----Messaggio originale-----
Da: igsstation-bounces at igscb.jpl.nasa.gov [mailto:igsstation-bounces at igscb.jpl.nasa.gov] Per conto di Jake Griffiths - NOAA Federal
Inviato: martedì 30 aprile 2013 20.49
A: igsstation at igscb.jpl.nasa.gov
Oggetto: [IGSSTATION-5395] Re: JOZ2, JOZE: health bits corrected

Dear Colleagues,

At my request, Tomasz has kindly provided the following information about how 
the issue was resolved on these two receivers:

 > In the case of JOZE (Trimble 4000SSI) receiver, the latest version of teqc (15
 > Mar 2013) solved the problem.
 >
 > This issue is also confirmed by one of the corrections made for this release:
 >
 > "- a correction for extracting the GPS health bits from Trimble .dat/.tgd
 > records 21 and 28 and Trimble stream records 0x55-1 and 0x55-9"
 >
 > In case of JOZ2 (Leica GRX1200GGPRO) receiver, the problem was probably
 > caused by the receiver's setting: 'satellite health' which was unfortunately
 > set to 'OK' for all GPS satellites (meaning 'all healthy'). In short: I
 > changed this option to 'Automatic' and deleted the existing almanac from the
 > receiver. More specifically: I stopped the receiver and used the Leica's Web
 > Interface to correct the receiver settings, i.e.:
 >    1. I deleted existing almanac from the receiver (button "Initialize (INIT)
 >       Ephemeris and almanac" on the "Configuration/Tracking" page)
 >    2. I changed the 'satellite health' receiver setting to 'Automatic' for
 >       GPS satellites (also "Configuration/Tracking" page, tab "GPS")
 >    3. I rebooted the receiver (just in case) and started it.
 >
 > This procedure helped in case of our Leica receiver.
 >
 > With best regards,
 > Tomasz

Thanks very much to Tomasz for these efforts.

fyi,
jake

On 4/30/2013 11:37 AM, Tomasz Liwosz wrote:
> Dear Colleages,
>
> the issue concerning incorrect health bits for a GPS satellite PRN30/SVN35
> (IGSSTATION Mail no. 5385) has been resolved for JOZ2 and JOZE stations; GPS
> navigational RINEX files are now reporting this satellite as 'unhealthy'.
>
> Correct daily and hourly files from JOZE (Trimble 4000SSI, 7.29) available since
> 118/2013.
> Correct hourly files from JOZ2 (Leica GRX1200GGPRO, 8.20/3.019) available since
> 119/2013. Daily file for 119/2013 still contains one bad record; correct daily
> files expected from 120/2013 on.
>
> We apologize for the inconvenience this caused.
>
> With kind regards,
> Tomasz Liwosz
>
>
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