The subreceiver is much better shielded than the main. When I first got
my K3 (#2623) last winter I had loud spurs all over the place in the
main receiver (even after carefully optimizing cable placement) but the
very few that I could hear in the subreceiver were weak.
SIG RMV took care of everything, of course.
73,
Dave AB7E
David F. Reed wrote:
> I note an apparent anomaly with my K3 using dual RX...
>
> say I tune to 24.953.43 with both main and sub; in the main RX I hear a
> tone (apparently a spurious signal, as no antenna is connected). I do
> not hear it on the sub receiver; if I swap A/B it stays with the main.
> If I tune main or sub off slightly for a different pitch, it tracks main
> only.
>
> Is it possible I have a slight spur that only affects the main RX?
>
> Any thoughts?
>
> FWIW, its not a big problem; when I connect an antenna, it is barely
> detectable through the noise.
>
> Thoughts?
>
> Thanks & 73 de Dave, W5SV
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