All I here down there is noise from TV SMPSUs and no hope of hearing anything at all - even the 75kHz time standard is not that far above the noise. Well listening this morning the QRM was much lower
Reading the mails with interest I took a listen down on 73kHz with my long wire, having not listened down there for some time. In the 'good old days' soon after we got the band I heard quite a lot of
There are two things that always seem to surprise me when changing from 136kHz to 73kHz: the huge amount of extra inductance needed to resonate my small antenna; and the enormous voltages generated a