Optional Accessories; Gps Antenna Options - Garmin GTN 635 Installation Manual

4.2

Optional Accessories

4.2.1

GPS Antenna Options

For details regarding antenna selection, refer to Table 1-3. Once the antenna type is decided upon, refer
to the information below for detailed parts information for antennas available directly from Garmin.
Contact manufacturer directly for information on other antennas.
GA 35 Antenna:
GA 35 Antenna Garmin P/N 013-00235-00 contains the following items:
Item
GA 35 GPS/WAAS Antenna [1]
[1] Antenna includes 8-32 UNC-2A x 1.00‖ SS 303 mounting screws (qty 4) and O-ring (qty 1).
An antenna doubler may also be required. Refer to the appropriate antenna installation data.
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.
GA 36 Antenna:
GA 36 Antenna Garmin P/N 013-00244-00 contains the following items:
Item
GA 36 GPS/WAAS Antenna [1]
[1] Antenna includes 8-32 UNC-2A x 1.00‖ SS 303 mounting screws (qty 4) and O-ring (qty 1).
An antenna doubler may also be required. Refer to the appropriate antenna installation data.
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.
GA 37 Antenna:
GA 37 Antenna Garmin P/N 013-00245-00 contains the following items:
Item
GA 37 GPS/WAAS + XM Antenna [1]
[1] Antenna includes 8-32 UNC-2A x 1.00‖ SS 303 mounting screws (qty 4) and O-ring (qty 1).
An antenna doubler may also be required. Refer to the appropriate antenna installation data.
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.
A33W Antenna:
A33W Antenna Garmin P/N 013-00261-00 contains the following items:
Item
A33W, WAAS [1]
[1] Antenna includes 6-32 UNC-2A x 1.00‖ SS 303 mounting screws (qty 4) and O-ring (qty 1).
An antenna doubler may also be required. To secure the antenna, #6 washers (qty 4) and #6 (qty 4)
self-locking nuts are required in addition to the antenna, or suitable nutplates may be installed on the
doubler that is used. To connect the GPS antenna coaxial cable to the antenna a TNC plug is
required.
Page 4-2
Rev. C
Part Number
013-00235-00 (Garmin)
AT575-93G (Aero Antenna)
Part Number
013-00244-00 (Garmin)
AT575-126G (Aero Antenna)
Part Number
013-00245-00 (Garmin)
AT2300-126G (Aero Antenna)
Part Number
013-00261-00 (Garmin)
GTN 625/635/650 TSO Installation Manual
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