freewtp/docs/GPSACP.md
2017-05-29 13:16:52 +02:00

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GPSACP message

GPSACP messages are defined in WTP - SCG Reference Points can be sent within WTP Event Requests.

Definition GPS Last Acquired Position

The GPS Last Acquired Position contains the output of the AT$GPSACP command from an WWAN Modem.

Format

0                   1                   2                   3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|                         Timestamp                             |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|    WWAN Id    |       GPSATC ....
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

Vendor Id 18681 (Travelping GmbH)

Type 15

Length >= 5

Timestamp The WTPs time when the meassurment was recorded

WWAN Id WWAN Interface Id, used to differentiate between multiple WWAN interfaces, MUST be between one (1) and 16.

GPSATC The full output (including the starting $GPSATC) of the AT$GPSATC command the WWAN Interface:

$GPSACP:<UTC>,<latitude>,<longitude>,<hdop>,<altitude>,<fix>,<cog>,<spkm>,<spkn>,<date>,<nsat> 

<UTC>: HHMMSS
  HH: Stunde (00..23)
  MM: Minute (00..59)
  SS: Sekunde (00..60) (Ja - 60 - Schaltsekunden...)
<latitude>: ddmm.mmmmD
  dd: Grad (00..90)
  mm.mmmm: Minuten mit dezimalen Nachkommerstellen (00.0000 .. 59.9999)
  D: Richtung ab Äquator (N|S)
<longitude>: dddmm.mmmmD
  dd: Grad (00..180)
  mm.mmmm: Minuten mit dezimalen Nachkommerstellen (00.0000 .. 59.9999)
  D: Richtung ab Geenwich (W|E)
<hdop>: xx.x
  xx.x: Horizontale genauigkeit in m (00.0..99.9)
<altitude>: xxxx.x
  xxxx.x: Höhe üNN in m (0000.0..9999.9) (Himalaya: Ceck, Holland: Im zweifel leer, wenn unter NN)
<fix>: x
  x: Fix-Status (0: Kein Fix, 1: 2D, 2: 3D)
<cog>: xxx.x
  xxx.x: Course over ground (000.0 .. 359.9)
<spkm>: xxx.x
  xxx.x: Geschwindigkeit in km/h (000.0 .. 999.9)
<spkn>: xxx.x
  xxx.x: Geschwindigkein in Knoten (000.0 .. 999.9)
<date>: ddmmyy
  dd: Tag (01 .. 31)
  mm: Monat (01 .. 12)
  yy: Jahr (00 .. 99)
<nsat>: xx
  xx: Anzahl der sichtbaren Satelliten (00 .. 99)