Garmin GPS 400W, Installation Manual

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Page 1-8 GNS 400W Series Installation Manual
Rev. G 190-00356-08
1.4.8 GPS Antenna Requirements
Antenna performance is critical to the GPS/WAAS operation. The antennas listed in Table 1-2 are
approved for installation with the 400W Series units.
Table 1-2. Antennas Without IFR GPS Operational Limitations
Model/Description Mount Style
Conn
Type
Mfr Part Number
Garmin Order
Number
GA 35, GPS/WAAS
Screw
mount,
Teardrop
footprint
[1]
TNC
Garmin 013-00235-00 013-00235-00
Aero
Antenna
AT575-93GW -TNCF-000-RG-27-NM 013-00235-00
GA 36, GPS/WAAS
Screw
mount,
ARINC 743
TNC
Garmin 013-00244-00 013-00244-00
Aero
Antenna
AT575-126GW-TNCF-000-RG-27-
NM
013-00244-00
GA 37, GPS/WAAS
+XM
Screw
mount,
ARINC 743
TNC
TNC
Garmin 013-00245-00 013-00245-00
Aero
Antenna
AT2300-126GW-TNCF-000-RG-
27-NM
013-00245-00
Comant ,
GPS/WAAS+VHF
Screw
mount,
Teardrop
COM
TNC
BNC
[2]
Comant CI-2580-200 [4] N/A
Comant GPS/WAAS
+VHF
Screw
mount,
Teardrop
TNC
BNC
[2]
Comant CI-2728-200 [4] N/A
Comant GPS/WAAS
+XM+VHF
Screw
mount,
Teardrop
COM
TNC
TNC
BNC
[3]
Comant CI-2728-410 [4] N/A
[1] Same mounting hole pattern as GA 56, but GA 35 antenna has a physically larger footprint.
[2] The GPS/WAAS connector is a TNC type. The VHF connector is a BNC type.
[3] The GPS/WAAS connector is a TNC type. The XM connector is a TNC type. The VHF connector is
a BNC type.
[4] It is the installer‘s responsibility to ensure the antenna complies with Antenna Minimum
Performance Specification for Garmin‘s GPS/WAAS Receiver System Antenna
(004-00287-00) by communicating the requirement to the supplier and obtaining a certificate
of compliance to 004-00287-00 from the supplier. An antenna that complies only with
TSO-C144 requirements is not adequate for this installation.