G900X/G950 Installation and Maintenance Manual – Garmin GPS WAAS Antenna Page 12-1190-00719-00 Revision D12 Garmin GPS WAAS Antennas12.1 DescriptionThis section provides mechanical and electrical installation requirements for installing the followingGarmin GPS WAAS Antennas:• GA 35 Teardrop GPS WAAS Antenna• GA 36 ARINC mount GPS WAAS Antenna• GA 37 ARINC mount GPS WAAS and XM Antenna12.2 GA 35 Teardrop GPS WAAS Antenna12.2.1 SpecificationsTable 12-1. GA 35 WAAS SpecificationsCharacteristics SpecificationsFrequency Range 1575 MHz +/- 10 MHzPolarization Right Hand CircularAxial Ratio 3 dB Max at bore siteElevation Angle Minimum Gain>15° -2.0 dBic10° -3.0 dBic5° -3.5 dBicRadiation Coverage0° -7.5 dBicWeight 0.47 lbs. (0.21 kg)Finish Polyurethane EnamelOperating Temperature -55°C to +85°COperating Altitude 55,000 feet (16,764m) maxNoise Figure 1.9 dB max @ 25°C, 2.5 dB maxImpedance 50 ohmsVSWR (Dry) ≤ 1.5:1VSWR (Rain) ≤ 2.0:1Power Handling 1 WattVoltage 5-18 VDCCurrent 40 mA nominal, 60 mA maxTSO TSO-C144 and TSO-C129a
