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.
Ø ugonjwa satellite ni chini ya ucheleweshaji propagation, ni dhaifu na matangazo ya mvua, theluji na jua na kuathiri vituo ardhi, pia wanakabiliwa redio kuingiliwa, microwave na viwanja vya ndege.