67 lines
2.3 KiB
Markdown
67 lines
2.3 KiB
Markdown
# GPSACP message
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GPSACP messages are defined in [WTP - SCG Reference Points](https://www.hochbahn.de/hochbahn/wcm/connect/de/1d8945fd-174c-447a-85a5-4a8424406b5a/Lieferung%2Bvon%2BWLAN%2BRoutern%2BAB%2B17.12.2016.pdf?MOD=AJPERES&CACHEID=ROOTWORKSPACE.Z18_JH8I1JC0L05M10AEB6TSP430A1-1d8945fd-174c-447a-85a5-4a8424406b5a-lLovXv0) can be sent within WTP Event Requests.
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## Definition GPS Last Acquired Position
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The GPS Last Acquired Position contains the output of the AT$GPSACP command from an WWAN Modem.
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### Format
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```
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0 1 2 3
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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
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| Timestamp |
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| WWAN Id | GPSACP ....
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+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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```
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**Vendor Id** 18681 (Travelping GmbH)
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**Type** 15
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**Length** >= 5
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**Timestamp** The WTP’s time when the meassurment was recorded
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**WWAN Id** WWAN Interface Id, used to differentiate between multiple WWAN interfaces, MUST be between
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one (1) and 16.
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**GPSACP** The full output (including the starting $GPSACP) of the AT$GPSACP command the WWAN Interface:
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```
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$GPSACP:<UTC>,<latitude>,<longitude>,<hdop>,<altitude>,<fix>,<cog>,<spkm>,<spkn>,<date>,<nsat>
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<UTC>: HHMMSS
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HH: Hour of day (00..23)
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MM: Minute (00..59)
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SS: Second (00..60)
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<latitude>: ddmm.mmmmD
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dd: Degree (00..90)
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mm.mmmm: Minutes with decimal fraction (00.0000 .. 59.9999)
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D: Direction (N|S)
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<longitude>: dddmm.mmmmD
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dd: Degree (00..180)
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mm.mmmm: Minutes with decimal fraction (00.0000 .. 59.9999)
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D: Direction (W|E)
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<hdop>: xx.x
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xx.x: Horizontal dilution of precision in m (00.0..99.9)
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<altitude>: xxxx.x
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xxxx.x: Altitude above sea level in m (0000.0..9999.9) - Empty value for negative values.
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<fix>: x
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x: Fix status (0: No fix, 1: 2D, 2: 3D)
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<cog>: xxx.x
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xxx.x: Course over ground (000.0 .. 359.9)
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<spkm>: xxx.x
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xxx.x: Horizontal speed in km/h (000.0 .. 999.9)
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<spkn>: xxx.x
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xxx.x: Horizontal speed in knots (000.0 .. 999.9)
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<date>: ddmmyy
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dd: Day (01 .. 31)
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mm: Month (01 .. 12)
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yy: Year (00 .. 99)
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<nsat>: xx
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xx: Number of satallites in view (00 .. 99)
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```
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