Research Article

A Simulation of the Reception of Automatic Dependent Surveillance-Broadcast Signals in Low Earth Orbit

Table 1

Atmospheric effects for an ADS-B signal with an elevation angle of 30°.

EffectValue

Faraday rotation12.5°
Time delay26 ns
Time delay dispersion83 ps
Phase dispersion16.3°
Ionospheric scintillationUp to −20 dB at the geomagnetic equator at equinox
Ionospheric absorptionNegligible
Gaseous absorption−0.114 dB in rain for multipath case
Particulate−0.017 dB in 100 mm/hr rain
Tropospheric scintillationNegligible for elevation angles >1°