A Artikelrobot Well-Known Member 2010-Nov-06 #1 Many UK radio amateurs who operate on 501 - 504kHz have reported over the past month reception of a wideband signal between 498 and 502kHz More...
Many UK radio amateurs who operate on 501 - 504kHz have reported over the past month reception of a wideband signal between 498 and 502kHz More...
