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First of all, whatever the effect they are getting there, it is not skywave skipping. They are using some huge transmitter powers for tiny received signals. It sounds more like tropospheric scatter to me although the engineers involved don't seem to know exactly what it is. Secondly, most of the frequencies cited are not in the SHF band, the are in the UHF band. The highest frequency cited is 3700 MHz, which is only just inside the SHF range. SpinningSpark 00:11, 28 May 2013 (UTC)