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Utility Monitoring Central |
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Since aircraft overfly many parts of the
world unreachable by VHF radio, HF is often used as the primary means of
communications. Voice air traffic control stations are well documented
elsewhere, and only digital communications
are featured here.
Last Modified: 1st October 2000 |
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| Content copyright 2004 Mike Chace-Ortiz. No commercial use of these pages and their content allowed unless by prior permission of the author |