Rainbow-electronics GM862-QUAD-PY Manual do Utilizador descarregar pdf (Página 424)

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101

AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

$GPSNMUN - Unsolicited NMEA Data Configuration SELINT 0 / 1 / 2

is currently enabled or not, along with the NMEA sentences availability

status, in the format:

$GPSNMUN:<enable>,<GGA>,<GLL>,<GSA>,<GSV>,<RMC>,<VTG >

AT$GPSNMUN=?

Test command returns the supported range of values for parameters

Example

AT$GPSNMUN=1,0,0,1,0,0,0

These sets the GSA as available sentence in the

unsolicited message

AT$GPSNMUN=0

Turn-off the unsolicited mode

AT$GPSNMUN?

$GPSNMUN: 1,0,0,1,0,0,0

Give the current frame selected (GSA)

The unsolicited message will be:

$GPSNMUN:

$GPGSA,A,3,23,20,24,07,13,04,02,,,,,,2.4,1.6,1.8*3C

Reference NMEA 01803 Specifications

Note

The command is available in “Controlled Mode” only

The available NMEA Sentences are depending on the GPS receiver used

In GE863-GPS and GM862-GPS the fields PDOP and VDOP are not

available

Use NMEA serial port instead if full DOP info are needed

3.5.7.11.11 Get Acquired Position - $GPSACP

$GPSACP - Get Acquired Position SELINT 0 / 1 / 2

AT$GPSACP

Execution command returns information about the last GPS position in the

format:

$GPSACP: <UTC>,<latitude>,<longitude>,<hdop>,<altitude>,

where:

<UTC> - UTC time (hhmmss.sss) referred to GGA sentence

<latitude> - format is ddmm.mmmm N/S (referred to GGA sentence)

where:

dd - degrees

00..90

1 2 ... 419 420 421 422 423 424 425 426 427 428 429 ... 433 434

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