Which mode of propagation is suitable for television broadcast

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communicationsystem

#1

Which mode of propagation is suitable for television broadcast and satellite communication and why? Draw a suitable diagram depicting this mode of propagation of wave.


#2

For TV broadcast, space wave communication is used.

It is also called LOS communication. For satellite communication, a ground transmitter relays an uplink signal which is intercepted by a satellite and which uses a radio transponder to receive and relay signal back to a receiver.
Reason for both in frequencies >30 MHz are not reflected by ionosphere.