G3JKV wrote:
I wouldn't advise using the 706 for this purpose even if you get it down
to
136. Its local
oscillator is rather "wobbly" due to the action of its internal fan and
you
won't find it stable
enough for narrow-band QRSS etc. I have one and I installed the "hi-stab"
option which
made it even worse by introducing a second TCXO-induced wobble. Total
wobble is only
at 136 is only a few Hz and doesn't normally matter but it does when
you're
looking for
0.01 Hz!
My ancient IC-706 Mk1 works absolutely fine receiving 120s QRSS after a few
minutes warm up. On the Mk1, the fan is on permanently - perhaps this is the
fix!
Mike, G3XDV
http://www.lf.thersgb.net
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