communication band การใช้

Scientists hope to relieve the problem of crowded communications bands with better technology.
This is practical, since the array, with no modifications, covers the main space communications bands ( S-band and X-band ).
The astronaut has even created a computer software program that will allow him and his children to transmit drawings back and forth over the amateur communications bands.
The aim of the system is to explore the propagation conditions on 5 MHz in the hills and valleys of Switzerland in relation to its possible suitability as an Emergency Communications band.
Working with the equipment of the two fully outfitted assault shuttles her crew had escaped with, the escaped prisoners monitor Hell's communications bands and develop a picture of normal operations on the prison world.