A few days ago I thought that I would try listening for JT65B EME
stations, I saw on the Dxcluster some activity on 144.135MHz so I
to there and pointed my yagi at the moon.
Using WSJT version 4.9.6 with my RigExpert interface I began
and wow! Within 30 minutes I saw
170301 1 -25 0.4 -70 26 # G0ISW SP8RHP KO10 O ?
Strange?? Why was my callsign shown as I wasn't transmitting? Had I
really heard SP8RHP off the moon?
My suspicions increased a little later on when I saw the callsign
EI4VWZ appear. 2 stations heard now on a frequency spotted for
someone else, too good to be true.
As an experiment just now, I tried again and didn't point at all at
moon, hey preston this time a callsign from the USA has been
Can anyone tell me why these phantom callsigns are being displayed? I
would like to have confidence that any call displayed is a genuine
it seems the software is grabbing callsigns and locator squares from
the database of active stations somehow.
I cannot use any higher version of WSJT as they do not work with my
I haven't heard of such phantom callsigns before and have never
experienced such a thing despite using WSJT and fsk441 for years.
73 de Philip G0ISW