Introduction to Satellite Communication » Exercise - 122. For satellite communication the frequency should ….. the critical frequency of ionosphere. (a) Equal to (b) Less than (c) More than (d) None of the above
Introduction to Satellite Communication » Exercise - 138. For satellite communication, the lower limit of frequency is : (a) 1 MHz (b) 10 MHz (c) 20 GHz (d) 200 GHz
Introduction to Satellite Communication » Exercise - 134. When a communication satellite passes into earth’s shadow, its temperature drops to about : (a) 123 K (b) 223 K (c) 273 K (d) 373 K
Introduction to Satellite Communication » Exercise - 132. In amplitude modulation the upper and lower side are mirror images of each other and hence contain ….. Information. (a) Same (b) Less (c) More (d) Any of the above