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Tips and questions relating to the GPS modules from SFE
By bmartinek
#64504
I will preface this with the fact i did a search. :-)

So after much coaxing I did finally get my LS20031 GPS module t write usable information.

The problem is that it seems that the clock is about 4 hour off and the position is quite off as well.

I am powering the LS20031 with the 3.3V lead off the Logomatic v2 and the results are very consistent (they are all in the same region of being off) which is correct.
Code: Select all
$GPGGA,024805.734,3746.3814,N,12225.5978,W,0,4,,-163.2,M,-25.3,M,,*51
$GPGLL,3746.3814,N,12225.5978,W,024805.734,V,N*55
$GPGSA,A,1,,,,,,,,,,,,,,,*1E
$GPGSV,3,1,11,31,64,106,27,32,53,318,42,11,46,267,25,14,34,050,24*75
$GPGSV,3,2,11,20,28,305,,22,15,107,,23,14,253,,30,10,065,*75
$GPGSV,3,3,11,19,05,218,,05,03,041,,17,02,319,*43
$GPRMC,024805.734,V,3746.3814,N,12225.5978,W,1.87,81.52,260109,,,N*5E
$GPVTG,81.52,T,,M,1.87,N,3.46,K,N*03
$GPGGA,024805.885,3746.3864,N,12225.6238,W,1,4,2.03,-173.7,M,-25.3,M,,*45
Using the GPGGA listing that says:

UMT: 02:48:05.885 Which when converted to my time is: 18:48:05 and it was 22:48

The position it consistently gets is: 37.463864N, 122.256238W whereas I was closer to: 37.462580N, 122.253900W, at the time of that measurement I had a lock on 4 satellites an HDOP of 2.03 (reasonable)

Any thoughts?