top of page

New unknown signal on the 15 meters band

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.


Recent Posts

See All


bottom of page