GTN 625/635/650 TSO Installation Manual
Page 1-7
190-01004-02
Rev. C
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.
Table 1-3. Approved GPS Antennas
Model/Description
Conn Type
Mfr
Part Number
Garmin
Order
Number
GA 35, GPS/WAAS
[1]
TNC
Garmin
013-00235-( )
013-00235-( )
Aero Antenna
AT575-93G( )-TNCF-000-RG-27-NM
GA 36, GPS/WAAS
TNC
Garmin
013-00244-( )
013-00244-( )
Aero Antenna
AT575-126G( )-TNCF-000-RG-27-NM
GA 37, GPS/WAAS/XM
TNC
Garmin
013-00245-( )
013-00245-( )
Aero Antenna
AT2300-126G( )-TNCF-000-RG-27-NM
A33W, WAAS Antenna
TNC
Garmin
013-00261-( )
013-00261-( )
Aero Antenna
AT575-332G( )- TNCF-000-RG-27-NM
GPS/VHF Antenna
TNC/BNC
[2]
Comant
CI-2580-200
N/A
GPS/VHF Antenna
TNC/BNC
[2]
Comant
CI-2728-200
N/A
GPS/XM/VHF Antenna
TNC/TNC/BNC
[3]
Comant
CI-2580-410
N/A
GPS/XM/VHF Antenna
TNC/TNC/BNC
[3]
Comant
CI-2728-410
N/A
GPS/WAAS Antenna
TNC
Comant
CI-428-200
N/A
GPS/XM Antenna
TNC/TNC
Comant
CI-428-410
N/A
[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.
