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In June we received a new unknown signal on the 15 meters band. Never received before, it was present on 21003.5 kHz CF for several days with long – lasting transmissions, and it was also received several times in the vicinity of 21122 kHz CF. Although it is probably a radar transmission, as we cannot officially confirm it, we report it as an unknown signal, XXX. TDoA radiolocations taken seem to show the area of Iran for this signal.
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