A number of factors resulting from changes in the atmosphere have to be taken into account when designing a satellite communications system in order to avoid impairment of the wanted signal. Generally, a margin in the required carrier-to noise ratio is incorporated to accommodate such effects.

Inspec keywords: radiowave propagation; satellite communication

Other keywords: atmospheric change; carrier-to-noise ratio; satellite communications system; radiowave propagation; signal impairment

Subjects: Satellite communication systems