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GPS DOP and Active Satellites (GSA)

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).


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