[Elecraft] K2 - LOW SENSITIVITY ON 30 AND 17 METERS

[Chris Page]

Thanks Don.  

I have checked both the 17m antenna (2 el quad) and the 30m antenna 
(6BTV) on another radio, and they are both working fine.

I have the K2/100 with the 160m, DSP, and NB options and do not have 
the KAT100.

73 de Chris, N4CJ (G4BUE)


On 21 Jan 2007 at 13:01, Don Wilhelm wrote:

> Chris,
> 
> You are correct, there is nothing unique to 30 meters and 17 meters.
> Are
> you certain your antenna is still OK?
> 
> If you have the KAT100, that could have some problem with the
> inductance and
> capitance selected during tuning that is giving the appearance of a
> weak
> received signal.
> 
> We really need more data to give a better answer.
> 
> 73,
> Don W3FPR
> 
> 
> 
> > -----Original Message-----
> > I am puzzled as to why my K2/100 has lost most of its sensitivity
> on
> > 17 and 30m.
> >
> > It is the K2/100 I use at my Florida QTH and when I returned from
> a
> > visit of a few months to the UK, I found it has lost most of its
> > sensitivity on 17 and 20m.  I can only hear very strong signals
> and
> > they sound very weak.  The other bands are fine and it transmits
> ok
> > on all bands, including 30 and 17m.
> >
> > I have tried tweaking L8 and L9 and C21 and C23 (30m) and C32 and
> C34
> > (17m) but this has not made any difference.
> >
> > I cannot find any other part(s) of the K2/100 circuit that only
> > affect 17 and 30m on receive.
> >
> > I have researched the Reflector archives in the hope of finding
> > someone with a similar problem, without success.
> >
> > Any help and suggestions will be appreciated, please.
> >
> > Thanks and 73 de Chris, N4CJ (G4BUE)
> >
> >
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