Have you ever listened to a remote transmission on the radio or TV?
The person on the studio asks a question to the person who is in a location outside the studio and there is a silence of a few seconds, then the person in the remote location answers the question. But there is this “hole” this period of time when we have to wait until the audio signal goes up to the satellite, then from there connects to the remote receptor, the reporter listened to the question and then answers it, the answer goes up to the satellite and then goes down to the receptor in the studio where is broadcast to our radio or television, all that process takes a time and that is why we have to wait a few seconds during transmissions.
Old telephone lines had the same “waiting period” during long distance calls and even today mobile phone sometimes present that effect in certain areas.
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