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GA 38 GPS and GLONASS Antenna for Garmin VHF, AIS and Chartplotters
Built to take advantage of the GLONASS system/constellation of satellites as well as standard GPS, this robust external antenna is packaged in a low-profile water resistant housing and provides 3 easy mounting solutions: pole, surface or under-deck (for the underside of fibreglass decks).
External GPS/GLONASS antennas provide increased flexibility and installation options as well as the potential for enhanced reception of GPS/GLONASS signal for those products with built-in GPS/GLONASS antennas.
General Specifications
Dimensions (DxH): 3 19/32″ x 1 15/18″ (91.6 mm x 49.5 mm)
Weight: 7.1 oz (201 g)
Temperature range: -22° F to 176° F (-30° C to 80° C)
Case material: Fully gasketed, high-impact plastic alloy; waterproof to IPX7
GA 38 Surface mounting bracket Pole mounting bracket Under-deck mounting bracket Mounting hardware BNC-BNC antenna cable (32 ft/10m) Installation instructions
A little more expensive than other throw lines, however the quality is excellent and I believe worth the few pounds extra. Make sure you open the bag and uncoil the rope before feeding the rope back into the bag before you take it with you the first time.