Hi Clemens, the 1.465 Hz spaced lines around the strong WSPR signals are "clicks" from the periodic frequency switching, they are supposed to be there. But as the switching is phase-continuous, these
Opera's AM key-clicks , VERY True , there has to be an associated bandwidth, however , hard non-conditioned on off keying of a carrier will produce , key-click's , this was the subject of a e-mail ,
...AM key-clicks. Hasn't that been a quality title in the good old QRSS times, called dog-boning? I've always been happy when i saw some of them in W1VD's captures :-) 73, Stefan Am 27.03.2016 23:01,
Hi Markus, MF ! There are some more sources of signal-purity-problems : Some high-Power PAs just use rectified mains supply (w/ or w/o transformer). They do not use any linear regulation to stabilize