25
UAV-1001006-001
ECCN 7A994
8.2.12
GPS Antenna Offset
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 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.
GPS Antenna Lateral Offset from
roll axis (Meters)
GPS Antenna Longitudinal Offset
from aircraft nose (Meters)
0
0 to 60 Meters in 2 Meter
increments
Left 2
Left 4
Right 2
Right 4
Right 6
8.3 Installation
The installation section will set the following parameters:
•
Setup Source
•
Control Source
•
GPS Source
•
Traffic/Uplink Output
•
COM1 Rate, Data and Phy
•
COM1 Protocol
•
COM2 Rate
Содержание echo
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