SXBlue GPS Reference Manual
54
To have the SXBlue GPS output RTCM corrections, send the following command to the
receiver:
$JASC,RTCM,r[,OTHER]<CR><LF>
The message status variable ‘r’ may be one of the following values:
r
Description
0
ON
1
OFF
When the ‘,OTHER’ data field is specified (without the square brackets), this command
will turn RTCM data on or off on the other port.
The SXBlue GPS will reply with the following response:
$>
8.5 e-Dif Commands
This section provides information related to the NMEA messages accepted by the
SXBlue GPS’ optional e-Dif application. The following table provides a brief description
of the commands supported by the e-Dif application for its control and operation.
Table 8-5 e-Dif Commands
Message
Description
$RAD,1
This command is used to display the current reference position
$JRAD,1,P
Store present position as reference
$JRAD,1,lat,lon,alt
Store entered position as reference
$RAD,2
Use reference position as base
$JRAD,3
Use current position as base
The following subsections provide detailed information relating to the use of each
command.
Note - Please ensure that you save any changes that you wish to survive beyond
the current power-up by using the $JSAVE command and wait for the ‘
$> Save
Complete’
response.
8.5.1 $JRAD,1
This command is used to display the current reference position.
This command has the following format:
$JRAD,1<CR><LF>
The SXBlue GPS will reply with a response similar to the following:
$>JRAD,1,51.00233513,-114.08232345,1050.212
