Low-elevation beam bending and reduction of aerial gain also required examination. ... Satellite attitude The control of satellite attitude and the maintenance of the relative positions of satellites within a group ... Some degree of frequency-sharing with ground services appeared to be inevitable, particularly in the light of the radio-frequency requirements inherent in the ... They include Rebound (multiple passive reflectors), Relay and TSX (active transponders at medium altitude) andanbsp;...
|Title||:||Electronics and Power|