Applanix LVX, User Manual, Page: 56 / 82

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2. Accelerate the vehicle in a straight line as quickly as possible to a speed of at least 60
km/h.
•
Once target speed is reached, apply vehicle brakes and come to full stop as quickly
as possible.
•
Turn vehicle around and repeat until INS Heading Accuracy values drop
significantly.
Note : Ensure there is no GNSS multipath present. It is important that the vehicle
accelerations be performed in a straight line.
3. Change the maneuver to perform a number of turns (e.g. circular or figure 8) in an area
where there is a minimum of GNSS multipath.
•
Monitor the calibration progress in the GNSS Lever Arms window to ensure the INS
Heading Accuracy is getting smaller and approaching the Target Heading
Accuracy .
•
Once the INS Heading Accuracy meets, or exceeds, the Target Heading
Accuracy , go to the next section.
MARINE VESSELS
Once the set-up procedure is complete, proceed with the following calibration procedure
for marine vessels
1. Open the Receiver Configuration, INS page and GNSS Lever Arms tab.
•
Click on the Calibrate button. This puts the system into a specific mode to calibrate
the baseline vector.
2.
Maneuver to perform a number of turns (e.g. figure 8’s or s-turns) in an area where there
is a minimum of GNSS multipath.
•
Monitor the calibration progress in the GNSS Lever Arms window to ensure the INS
Heading Accuracy is getting smaller and approaching the Target Heading
Accuracy .
•
Once the INS Heading Accuracy meets, or exceeds, the Target Heading
Accuracy , go to the next section.
Please contact Applanix for specific instructions for calibrating GAMS on a UAV.