Question
Which of the following frequencies will be suitable for beyond-the-horizon communication using sky waves? 10 kHZ
10 MHz
1 GHz
1000 GHz
10 kHZ
10 MHz
1 GHz
1000 GHz
Solution
A.
10 kHZ
10 kHz cannot be radiated because the size of antenna is large. 1 GHz and 1000 GHz will penetrate.
