UAV-1002156-001
ECCN 7A994 Page 24 | 31
Enter the Aircraft Width (wing span) in Meters
W ≤ 72.5
72.5 < W ≤ 80
8.3.12 GPS Antenna Offsets
The GPS antenna offset is used in conjunction with the length and width to
manage taxiway conflicts. A typical GPS does not report the geographic
position of the center of the aircraft, or even the tip of the nose of the
aircraft; instead, it usually reports the location of the actual GPS antenna
(not the GPS receiver). In normal flight operation this distinction is of no
importance at all, but if ADS-B is used to manage taxiway conflicts, a
significant offset in antenna position could mean that the aircraft footprint is
not in the same place as the ADS-B reported position. Although the GPS
Antenna Offset is primarily intended for position correction on large
transport aircraft, General Aviation aircraft can also have a significant
offset. For example, if the aircraft has a long tail boom and the GPS
antenna is on top of the tail, the GPS position could be 4 meters or more
from the nose of the aircraft.
Enter the GPS Antenna Offset Lateral from Roll axis (Meters)
0
Left 2
Left 4
Left 6
Right 2
Right 4
Right 6
Enter the GPS Antenna Offset Longitudinal from Aircraft nose
(Meters)
0 to 60 Meters in 2 Meter increments
8.4 Update and Confirm Configuration
1. After entering the correct information for all fields press Apply. You
should receive a message confirming the configuration at the top of
the screen.
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