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3.8Variable Lever Arm
The variable lever arm concept arose to support applications in which the IMU is no longer rigidly fixed to the vehicle, but rather on a gimballed mount. This creates an issue where the input lever arm offsets to the GNSS antenna are no longer correct, because the IMU can rotate on its mount, while the antenna remains fixed.
The use of the variable lever arm functionality requires that the device to which the IMU is attached be able to send its gimbal rotation angles back to SPAN. These angles are used to
3.9Enabling L-Band
For more information on
•NovAtel Application Notes:
•the OEM6 Family Firmware Reference Manual
•visit www.novatel.com/support
•visit
3.9.1NovAtel CORRECT™ with TerraStar™
A subscription is required to use the TerraStar service. To obtain a subscription, contact your local NovAtel sales representative or visit
log terrastarinfo
This log displays the PAC in the first field following the log header and also displays the status of your subscription.
To activate a subscription, the receiver must be powered and tracking an
To confirm tracking of an
log lbandtrackstata
If receiving TerraStar service, the sixth field following the header (tracking status word) of the LBANDTRACKSTAT log will be 00c2, as shown in the following example:
#LBANDTRACKSTATA,COM1,0,73.5,FINESTEERING, 1769,328196.000,00000000,
The latest services and coverage can be obtained from www.terrastar.net. For additional information on TerraStar activation, contact NovAtel Customer Service at www.novatel.com/ support or download the
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