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Unless the TX frequency is EXACTLY the same the two signals will beat against each other and cause issues. NOBODY that I know of does what is being proposed here. Even terrestrial DAB FM broadcast that uses the same frequencies for wider than normal coverage from multiple transmitters uses GPS time lock to sync the frequencies of each transmitter. Even a difference in transmission line length will cause a phase delay.

[QUOTE="Captain Kilowatt, post: 725515, member: 39"] Unless the TX frequency is EXACTLY the same the two signals will beat against each other and cause issues. NOBODY that I know of does what is being proposed here. Even terrestrial DAB FM broadcast that uses the same frequencies for wider than normal coverage from multiple transmitters uses GPS time lock to sync the frequencies of each transmitter. Even a difference in transmission line length will cause a phase delay. [/QUOTE]

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