Volvo 1991 740 Model
Sending signals
The U(FM) waves do not follow the earth's surface nor do they bounce off the atmosphere. For this
reason their range is limited. The M, L (AM) waves follow the earth's surface and reflect against the
atmosphere. This gives them a wide range.
Weak reception (fading)
Because of the limited range of the U(FM) senders and the fact that these waves are very reflective, this
problem usually occurs with U(FM) reception. If the sender is blocked by buildings or mountains,
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Содержание 740 1991
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