difference channel การใช้

• This pulse is transmitted from the omnidirectional antenna ( or the antenna difference channel ) by the ground station, rather than from the directional antenna ( or the sum channel ).
• The same survey shows a huge differential in Hispanic audience share between Channel 33 and Channel 64 _ 93 percent vs . 7 percent _ a difference Channel 64 disputes using SRC data, which show a much smaller gap between the two.