Indicatewhich ofthe followingfrequencies cannotbe used forreliablebeyond-the-horizon terrestrial communicationswithoutrepeaters: a. 20 kHz b. 15 MHz c. 900 MHz d. 12GHz

Indicatewhich ofthe followingfrequencies cannotbe used forreliablebeyond-the-horizon terrestrial communicationswithoutrepeaters:
a. 20 kHz
b. 15 MHz
c. 900 MHz
d. 12GHz
by

1 Answer

Answer :

d. 12GHz
by

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