hat
Ø transmisyon yo satelit yo sijè a reta pwopagasyon, febli ak lapli, nèj ak solèy tach ki afekte estasyon tè, tou soufri radyo entèferans, mikwo ond ak èpòt.
eng
Ø The satellite transmissions are subject to propagation delays, are weakened by the rain, snow and sun spots affecting ground stations, also suffer radio interference, microwave and airports.