Property

Description

Transmitter Power

500 W maximum [1]

Transmitter Antenna

Quarter wave monopole, vertical polarization

Transmitter Gain

Typically 5.1 dB maximum

Receiver Antenna

Patch, Right-hand circular polarization

Receiver Gain

4.5 dB, Half-power beam width = 95˚ [16]

−1 dB loss within 30˚ of boresight

Atmospheric/Ionospheric Losses

Negligible [10]

Signal Wavelength

0.275 m (1090 MHz)

Distance between satellite and aircraft

Variable