source:truck tracking webfleet solutions release time:2022-09-28 Hits: Popular:realtime gps tracker online
Current satellite information
$GPGSA,<1>,<2>,<3>,<3>,,,,,<3>,<3>,<3>,<4>,<5>,<6>,<7>
<1> Mode: M = Manual, A = Automatic.
<2> Positioning type 1 = no positioning, 2 = two-dimensional positioning, 3 = three-dimensional positioning.
<3> PRN numbers: 01 to 32 indicate the satellite numbers in use in the sky, and can receive information from up to 12 satellites.
<4> PDOP position precision factor (0.5~99.9)
<5> HDOP level precision factor (0.5~99.9)
<6> VDOP vertical precision factor (0.5~99.9)
<7> Checksum. (check bit).
GPS Satellites in View (GSV) visible satellite information
$GPGSV, <1>,<2>,<3>,<4>,<5>,<6>,<7>,?<4>,<5>,<6>,<7>,<8 >
<1> Total number of GSV statements
<2> The number of the GSV in this sentence
<3> The total number of visible satellites, 00 to 12.
<4> Satellite number, 01 to 32.
<5> Satellite elevation angle, 00 to 90 degrees.
<6> Satellite azimuth, 000 to 359 degrees. actual value.
<7> Signal-to-noise ratio (C/No), 00 to 99 dB; no signal received without meter.
<8>Checksum. (check bit).