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HGA-6000 High Gain Antenna
Installation Manual
4.2.2.2 Data required during installation process
Once the antenna is installed the installation angles of the antenna must be entered manually. It
is recommended that these angles be measured before the antenna is mounted as it may
be difficult to measure these angles once the antenna is in place.
All angles to be entered are positive values only. The required accuracy for all angles is 0.25 deg.
After the antenna has been mounted, the installation software will prompt the installer to provide
input to the following:
1) What is the azimuth angle of a line drawn between sides A and C, relative to the longitudinal
axis of the aircraft? The screw holes in the aircraft that will be used for mounting the antenna
can be used as a reference. Range: 0 to 90 deg
2) Which of sides A or C is closer to the aircraft nose? (Any side can be selected if they are
equally close).
3) Is side A on the port or starboard side of C? (Any side may be selected if line AC is parallel to
the longitudinal axis of the aircraft).
4) What the elevation angle is as measured with an electronic spirit level of a line drawn between
sides A and C? Range: 0 to 45 deg.
5) Is side A higher or lower than side C? (If both A and C are at the same level, then either may
be selected)
6) What the elevation angle is as measured with an electronic spirit level of a line drawn between
sides B and D? Range: 0 to 45 deg.
7) Is side B higher or lower than side D?
8) What is the roll attitude of the aircraft when parked on the runway, as measured by the aircraft
attitude reference system (AHRS, IRS or the SRU)? The angle is positive when wing tip is down
on starboard side; negative if the starboard wing tip is higher than port wing tip.
9) What is the pitch attitude of the aircraft when parked on the runway, as measured by the
aircraft attitude reference system (AHRS, IRS or the SRU)? Positive when nose points up,
negative if nose points down.
Document: 862-A0059_IM issue 1.7
COMPANY CONFIDENTIAL
Page 21 of 37
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