Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page 3-2 Rev. 4
3.1.1.3 GA 37 Antenna
The GA 37 antenna, Garmin P/N 013-00245-XX, contains the one of the items listed in Table 3-3.
Table 3-3. GA 37 Antenna
Item Part Number Qty
GA 37 GPS/WAAS + XM Antenna [1]
013-00245-00 (White)
1 013-00245-01 (Black)
013-00245-02 (Olive Green)
[1] Antenna includes 8-32 UNC-2A x 1.00” Stainless Steel mounting screws (qty 4) and
O-ring (qty 1).
An antenna doubler may also be required. Refer to Section 3.1.2 for additional information.
To secure the antenna #8 washers (qty 4) and #8 (qty 4) self-locking nuts are required in addition to the
antenna, or suitable nutplates may be installed on the doubler.
To connect the GPS antenna coaxial cable to the antenna a TNC plug is required.
3.1.2 GPS Antenna Doubler
If installing the GPS/WAAS antenna onto existing provisions a doubler may not be required. If installing
the GPS antenna using AML STC SA02018SE-D as the basis for approval, one of the following antenna
doublers is required:
• Antenna doubler P/N 115-00846-00, for the GA 36 and GA 37 antennas. This doubler contains
nut plates (qty. 4) for the antenna mounting screws.
• Antenna doubler P/N 115-00846-10, for the GA 35 antenna. This doubler does not contain nut
plates.
• Antenna doubler P/N 115-00873-00, for the GA 36 and GA 37 antennas. This doubler contains
nut plates (qty. 4) for the antenna mounting screws.
The above doublers may be purchased from Garmin or fabricated in accordance with the Antenna STC
Installation Manual, P/N 190-01284-00.
3.2 Miscellaneous Options
The connector used to connect the coaxial cable to the antenna is listed in Table 3-4.
Table 3-4. Miscellaneous Options - Other
Item Amphenol P/N
Connector, TNC, Male, Crimp 031-4452