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Old 22-03-2018, 14:08   #1
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Join Date: Nov 2008
Location: Ottawa,Canada
Boat: Prout Snowgoose 37' Catamaran
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u-blox 7 GPS on Rpi 3 with OpenCPN

I'm trying to get a u-blox 7 GPS working with OpenCPN. I'm pretty sure its not an OpenCPN problem, but I figure someone here can point me in the right direction.

Does anyone have some suggestions to help me get going?


Code:
pi@openplotter:/dev $ more ttyOP_GP 
$GPTXT,01,01,02,u-blox ag - www.u-blox.com*50
$GPTXT,01,01,02,HW  UBX-G70xx   00070000 *77
$GPTXT,01,01,02,ROM CORE 1.00 (59842) Jun 27 2012 17:43:52*59
$GPTXT,01,01,02,PROTVER 14.00*1E
$GPTXT,01,01,02,ANTSUPERV=AC SD PDoS SR*20
$GPTXT,01,01,02,ANTSTATUS=OK*3B
$GPTXT,01,01,02,LLC FFFFFFFF-FFFFFFFD-FFFFFFFF-FFFFFFFF-FFFFFFF9*53
$GPRMC,,V,,,,,,,,,,N*53
$GPVTG,,,,,,,,,N*30
$GPGGA,,,,,,0,00,99.99,,,,,,*48
$GPGSA,A,1,,,,,,,,,,,,,99.99,99.99,99.99*30
$GPGSV,1,1,01,24,,,28*74
$GPGLL,,,,,,V,N*64
pi@openplotter:/dev $
Thanks.
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Old 22-03-2018, 18:04   #2
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Re: u-blox 7 GPS on Rpi 3 with OpenCPN

According to the GSV sentence, you see exactly 1 satellite. That is obviously not enough to triangulate your position.
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Old 23-03-2018, 07:22   #3
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Re: u-blox 7 GPS on Rpi 3 with OpenCPN

Nohal,

thanks - that was the problem - getting closer to the window and I get a fix (and see the green LED on the u-blox).
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