BlueTexGPS Mobitex Integration guide v.2.6
9
$GPGSA,a,x,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,x.x,x.x,x.x*hh<CR><LF>
1: Mode: M = Manual, A = Automatic. In manual mode, the receiver is forced to operate in either
2D or 3D mode. In automatic mode, the receiver is allowed to switch between 2D and 3D modes
subject to the PDOP and satellite masks.
2: Current Mode: 1 = fix not available, 2 = 2D, 3 = 3D
3-14: PRN numbers of the satellites used in the position solution. When less than 12 satellites
are used, the unused fields are null
15: Position dilution of precision (PDOP)
16: Horizontal dilution of precision (HDOP)
17: Vertical dilution of precision (VDOP)
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GSV
- GPS Satellites in View
$GPGSV,x,x,xx,xx,xx,xxx,xx,xx,xx,xxx,xx,xx,xx,xxx,xx,xx,xx,xxx,xx*hh<CR><LF
>
1: Total number of GSV messages
2: Message number: 1 to 3
3: Total number of satellites in view
4: Satellite PRN number
5: Satellite elevation in degrees (90° Maximum)
6: Satellite azimuth in degrees true (000 to 359)
7: Satellite SNR (C/No), null when not tracking
8-11: PRN, elevation, azimuth and SNR for second satellite
12-15: PRN, elevation, azimuth and SNR for third satellite
16-19: PRN, elevation, azimuth and SNR for fourth satellite
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RMC
- Recommended Minimum Specific GPS/Transit Data
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1: UTC of Position Fix.
2: Status: A = Valid, V = navigation receiver warning
3,4: Latitude, N (North) or S (South).
5,6: Longitude, E (East) or W (West).
7: Speed over the ground (SOG) in knots
8: Track made good in degrees true.
9: Date: dd/mm/yy
10,11: Magnetic variation in degrees, E = East / W= West
12: Position System Mode Indicator; A=Autonomous, D=Differential, E=Estimated (Dead
Reckoning), M=Manual Input, S=Simulation Mode, N=Data Not Valid
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CONTROL PANEL DATA PROTOCOL
There is two main commands that the BlueTexGPS respond to. One set command
and one get command. The set command contains all settings for the unit.
The settings can be set over the bluetooth link, serial interface in DSUB9 or over the
air. The serial port and bluetooth link uses 9600 in baud rate, 8 bit, no parity and 1
stop bit.
The format for commands are the same for the bluetooth link and the serial interface
in the DSUB9 connector but is not the same for the over air configuration.
GET SETTINGS WITH SERIAL OR BLUETOOTH INTERFACE
The command is in hex code: 0xE60401BD where E6 04 are start bytes 01 is the
identification of a request and BD is the end byte.
