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Table 2 Specifications for GPS receiving antenna

From: Estimating snow water equivalent for a slightly tilted snow-covered prairie grass field by GPS interferometric reflectometry

Specification Value
Frequency range 1,575.42 ± 1.023 MHz
Gain +3.0 dBi, minimum at 90°
-4.0 dBi, minimum at 20°
Polarization RHCP
Axial ratio +4.0 dB, maximum at 90°
+6.0 dB, maximum at 10°
Half-power beamwidth 140°
Front-to-back ratio +15 dB