Page 2-12 GIA 63/GIA 63W Installation Manual
Revision S 190-00303-05
3. Radiation Characteristics
Polarization RHCP
Operating Frequency 1575.42 ± 2.00 MHz
Gain (on axis) 2.0 dBic Minimum
(at 160
o
beam width) -6.0 dBic Minimum
Cross Pole Gain (LHCP)
(on axis) -8 dBic Maximum
(at 160
o
beam width) -9 dBic Maximum
4. Mounting Requirements
Cable connection BNC Female
Mounting studs Four 8-32 UNC-2A studs 0.50” long
2.7 GIA 63W Minimum Installation Requirements
Below is a list of required devices for TSO-C145a Class 3 certification.
Manual Course Device
This device delivers the manual course select to the GIA 63W, which is required for the VOR receiver,
and optional for the GPS receiver. Course information can come from an analog resolver, or from the
GDU PFD/MFD via Ethernet HSDB.
GDU PFD/MFD
This device displays Nav Flag, Left/Right, To/From, Glideslope Flag, and Up/Down as well as integrity
messages. In addition it provides manual course selection to the GIA, which is required for the VOR
receiver and optional for the GPS receiver.
Qualified GPS Antenna
Refer to Section 2.1.3.2 for a list of approved antennas.
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