Quote:
Originally Posted by jhalphen
Hi to All,
Apparently they use a locked carrier technology so that for instance a Ch 35 transmission by the northern transmitter can be broadcast on the same frequency as the Eiffel Tower and have no beat interference. Wonder how they do that...
jhalphen
Paris/France
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It's called a Single Frequency Network (SFN). The same data is sent to all transmitters (even the central one) via fiber or coax, and each transmitter has a buffer to adjust the final delay of its emission. Exact synchronization is often done by reference to a GPS receiver frequency.