Never getting GPS lock

[Ben Wilson]

na, i'm on a hill, it's pretty much wide open sky.
Unobstructed to horizon for 180deg, other 180deg is about 60deg above 
horizon

Lally Singh wrote:
> From: http://blogs.msdn.com/coding4fun/archive/2006/10/31/912287.aspx
>
>     $GPGSV,2,1,08,01,40,083,46,02,17,308,41,12,07,344,39,14,22,228,45*75
>
>     Where:
>           GSV          Satellites in view
>           2            Number of sentences for full data
>           1            sentence 1 of 2
>           08           Number of satellites in view
>
>           01           Satellite PRN number
>           40           Elevation, degrees
>           083          Azimuth, degrees
>           46           SNR - higher is better
>                        for up to 4 satellites per sentence
>           *75          the checksum data, always begins with *
>
> Looks like you're only seeing 1 satellite.  Are you in a city or
> somewhere else where you'd have a lot of obstructions?
>
> You need line-of-sight with 4 (preferably more) to get a lock.
>
> On Sun, Feb 24, 2008 at 8:38 PM, Ben Wilson <ben at abcom.co.nz> wrote:
>   
>> Hi
>>
>>  My gta01 never gets gps lock,  i've had it outside for over 15min on
>>  multiple occasions over the past few months with no luck.
>>  I followed the instructions here
>>  http://lists.openmoko.org/pipermail/community/2007-November/011916.html
>>  to get gllin installed
>>  and i do get the $GPxxx info, it just never locks. (Always A1).
>>
>>  I get the date on the $GPRMC line which i've been told means the gps
>>  receiver has found at least one satellite.
>>  I've tried it on different kernel/rootfs images and i get the same thing.
>>
>>  Does anybody else have this problem?
>>
>>
>>  GPS Output
>>  ---------------
>>  $GPRMC,005141.53,V,,,,,,,250208,,,N*77
>>  $GPGSV,1,1,01,19,,,31*72
>>  $GPGSA,A,1,19,,,,,,,,,,,,11.2,5.0,10.0*3E
>>  $GPRMC,005142.53,V,,,,,,,250208,,,N*74
>>  $GPGSA,A,1,19,,,,,,,,,,,,11.2,5.0,10.0*3E
>>  $GPRMC,005143.56,V,,,,,,,250208,,,N*70
>>  $GPGSA,A,1,19,,,,,,,,,,,,11.2,5.0,10.0*3E
>>  $GPGGA,005145.58,,,,,00,00,5.0,,M,0.179099,M,0.07
>>  $GPGSV,1,1,01,19,,,30*73
>>  $PGLOR,IGR,81.2,7,71389,0,1*0D
>>  $GPRMC,005146.52,V,,,,,,,250208,,,N*71
>>  $GPGSA,A,1,19,,,,,,,,,,,,11.2,5.0,10.0*3E
>>  $GPRMC,005147.56,V,,,,,,,250208,,,N*74
>>  $GPGSA,A,1,19,,,,,,,,,,,,11.2,5.0,10.0*3E
>>  $GPGGA,005149.48,,,,,00,00,5.0,,M,0.179099,M,0.0A
>>  $GPGSV,1,1,01,19,,,32*71
>>  $GPGGA,005150.52,,,,,00,00,5.0,,M,0.179099,M,0.09
>>  $GPRMC,005150.52,V,,,,,,,250208,,,N*76
>>  $GPGSV,1,1,01,19,,,31*72
>>  $GPGSA,A,1,19,,,,,,,,,,,,11.2,5.0,10.0*3E
>>  $GPGGA,005152.54,,,,,00,00,5.0,,M,0.179099,M,0.0D
>>  ---------------
>>
>>  Thanks
>>  Ben.
>>
>>
>>
>>
>>
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>>     
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