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� | Home : ITU-R : SG03 : Contributions : 88 | Recently posted�-� Search Meeting Documents | ||||||||||||||||||||||||||||||||||||||
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[88]� Draft revision of Question ITU-R 229-1/3 - Prediction of sky-wave propagation conditions, signal intensity, circuit performance and reliability at frequencies between about 1.6 and 30 MHz, in particular for systems using digital modulation techniques | ||||||||||||||||||||||||||||||||||||||||
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