Hi,
Modem details:
Manufacturer: Sierra Wireless, Incorporated
Model: EM7565
Revision: SWI9X50C_01.09.04.00 6d3218 jenkins 2019/02/26 20:33:22
GPS NMEA details set:
AT!GPSNMEASENTENCE=C9FDF
Which means:
- Enable all GP* sentences
- Enable all GL* sentences
- Enable all GN* sentences
- Enable all GA* sentences
Errors seen:
- Speed is always 0.0, no matter if there is movement or not. Applies to all RMC and VTG sentences.
- Multiple GNGSA sentences are being produced. There are too many, and the final one contains an invalid field just before the CRC
- Enabling GPDTM does not produce this sentence at all
- Missing support for ZDA sentences (Time)
Here is output from the device:
$GLGSV,3,1,09,74,35,040,29,67,59,314,16,66,60,139,77,47,206,17F
$GLGSV,3,2,09,76,70,054,75,19,037,65,00,137,84,12,000,170
$GLGSV,3,3,09,83,07,306,148
$GPGSV,3,1,10,05,49,202,29,08,09,036,21,13,71,295,31,15,35,291,31,161
$GPGSV,3,2,10,21,12,312,21,28,46,125,35,30,52,066,44,07,19,061,163
$GPGSV,3,3,10,20,27,02,004,154
$GPGGA,171546.00,5114.148365,N,00312.975149,E,1,05,1.4,16.9,M,47.0,M,5A
$GAGGA,171546.00,5114.148365,N,00312.975149,E,1,00,1.4,16.9,M,47.0,M,4E
$GNGNS,171546.00,5114.148365,N,00312.975149,E,AAN,06,1.4,16.9,47.0,V59
$GPVTG,253.4,T,255.6,M,0.0,N,0.0,K,A27
$GAVTG,253.4,T,255.6,M,0.0,N,0.0,K,A36
$GPRMC,171546.00,A,5114.148365,N,00312.975149,E,0.0,253.4,301019,2.2,W,A,V5C
$GARMC,171546.00,A,5114.148365,N,00312.975149,E,0.0,253.4,301019,2.2,W,A,V4D
$GPGSA,A,2,05,13,15,28,30,1.7,1.4,1.0,126
$GAGSA,A,1,23
$GNGSA,A,2,05,13,15,28,30,1.7,1.4,1.0,138
$GNGSA,A,2,74,1.7,1.4,1.0,232
$GNGSA,A,2,1.7,1.4,1.02F
$GNGSA,A,2,1.7,1.4,1.02F
$GNGSA,A,2,1.7,1.4,1.0,330
$GLGSV,3,1,09,74,35,040,29,67,59,314,16,66,60,139,77,47,206,17F
$GLGSV,3,2,09,76,70,054,75,19,037,65,00,137,84,12,000,170
$GLGSV,3,3,09,83,07,306,148
$GPGSV,3,1,10,05,49,202,29,08,09,036,21,13,71,295,31,15,35,291,31,161
$GPGSV,3,2,10,21,12,312,21,28,46,125,35,30,52,066,44,07,19,061,163
$GPGSV,3,3,10,20,27,02,004,154
$GPGGA,171547.00,5114.148364,N,00312.975147,E,1,05,1.4,16.9,M,47.0,M,54
$GAGGA,171547.00,5114.148364,N,00312.975147,E,1,00,1.4,16.9,M,47.0,M,40
$GNGNS,171547.00,5114.148364,N,00312.975147,E,AAN,06,1.4,16.9,47.0,V57
$GPVTG,253.4,T,255.6,M,0.0,N,0.0,K,A27
$GAVTG,253.4,T,255.6,M,0.0,N,0.0,K,A36
$GPRMC,171547.00,A,5114.148364,N,00312.975147,E,0.0,253.4,301019,2.2,W,A,V52
$GARMC,171547.00,A,5114.148364,N,00312.975147,E,0.0,253.4,301019,2.2,W,A,V43
$GPGSA,A,2,05,13,15,28,30,1.7,1.4,1.0,126
$GAGSA,A,1,23
$GNGSA,A,2,05,13,15,28,30,1.7,1.4,1.0,138
$GNGSA,A,2,74,1.7,1.4,1.0,232
$GNGSA,A,2,1.7,1.4,1.02F
$GNGSA,A,2,1.7,1.4,1.02F
$GNGSA,A,2,1.7,1.4,1.0,330