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From: "mike.dennison" <mike.dennison@ntlworld.com>
To: rsgb_lf_group@blacksheep.org
References: <5.1.0.14.2.20021020084059.00a14b80@mail.pncl.co.uk>
Date: Sun, 20 Oct 2002 09:44:08 +0100
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Subject: Re: LF: ICOM 706 Mk2
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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
====================