Gps/Waas Antenna Requirements - Garmin GTN 635 Installation Manual

1.3.8

GPS/WAAS Antenna Requirements

Antenna performance is critical to the GPS/SBAS operation. The antennas listed in Table 1-3 provide
acceptable performance with the GTNs.
Model/Description
GA 35, GPS/WAAS
[1]
GA 36, GPS/WAAS
GA 37, GPS/WAAS/XM
A33W, WAAS Antenna
GPS/VHF Antenna
GPS/VHF Antenna
GPS/XM/VHF Antenna
GPS/XM/VHF Antenna
GPS/WAAS Antenna
GPS/XM Antenna
[1] Same mounting hole pattern as GA 56, but GA 35 antenna has a physically larger footprint.
[2] The antenna connector is a TNC type. The VHF connector is a BNC type.
[3] The antenna connector is a TNC type. The XM connector is a TNC type. The VHF connector is a
BNC type.
GTN 625/635/650 TSO Installation Manual
190-01004-02
Table 1-3. Approved GPS Antennas
Conn Type Mfr
Garmin
TNC
Aero Antenna
Garmin
TNC
Aero Antenna
Garmin
TNC
Aero Antenna
Garmin
TNC
Aero Antenna
TNC/BNC
Comant
[2]
TNC/BNC
Comant
[2]
TNC/TNC/BNC
Comant
[3]
TNC/TNC/BNC
Comant
[3]
TNC Comant
TNC/TNC Comant
Part Number
013-00235-( )
AT575-93G( )-TNCF-000-RG-27-NM
013-00244-( )
AT575-126G( )-TNCF-000-RG-27-NM
013-00245-( )
AT2300-126G( )-TNCF-000-RG-27-NM
013-00261-( )
AT575-332G( )- TNCF-000-RG-27-NM
CI-2580-200
CI-2728-200
CI-2580-410
CI-2728-410
CI-428-200
CI-428-410
Garmin
Order
Number
013-00235-( )
013-00244-( )
013-00245-( )
013-00261-( )
N/A
N/A
N/A
N/A
N/A
N/A
Page 1-7
Rev. C