Table 8-1 GPS Heading Commands
Message Description
TILTAID Command to turn on tilt aiding and query the current feature status
TILTCAL Command to calibrate tilt aiding and query the current feature status
MAGAID Command to turn on magnetic aiding and query the current feature status
MAGCAL Command to store a new magnetic calibration table
MAGCLR Command to erase the current magnetic calibration and begin recording new magnetic
table data
GYROAID Command to turn on gyro aiding and query the current feature status and query the
current feature status
LEVEL Command to turn on level operation and query the current feature status
CSEP Query to retrieve the current separation between GPS antennas
MSEP Command to manually set the GPS antenna separation and query the current setting
HTAU Command to set the heading time constant and to query the current setting
PTAU Command to set the pitch time constant and to query the current setting
HRTAU Command to set the rate of turn time constant and to query the current setting
COGTAU Command to set the course over ground time constant and to query the current setting
SPDTAU Command to set the speed time constant and to query the current setting
HBIAS Command to set the heading bias and to query the current setting
PBIAS Command to set the pitch bias and to query the current setting
NEGTILT Command to turn on the negative tilt feature and to query the current setting
ROLL Command to configure the Vector for roll or pitch output
SEARCH Command to force a new RTK heading search
FLIPBRD Command to allow upside down installation
SUMMARY Query to show the current configuration of the Vector
HELP Query to show the available commands for GPS heading operation and status
8.1 $JATT,TILTAID
The Vector’s internal tilt sensor (accelerometer) is enabled by default and
constrains the RTK heading solution to reduce startup and reacquisition
times. Since this sensor resides inside the Vector, the receiver enclosure
must be installed in a horizontal plane, as must the Antenna Array.
To turn the tilt-aiding feature off, use the following command.
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