[Elecraft] K3--Strange Issue On 40 SSB

[David Ferrington, M0XDF]

something to do with the filter you selected for SSB perhaps?
just guessing
--  
We are not the same persons this year as last; nor are those we love.  
It is
a happy chance if we, changing, continue to love a changed person. - 
William
Somerset Maugham, writer (1874-1965)

On 14 Mar 2008, at 13:51, T. David Yarnes wrote:

> Hi All,
>
> I suspect when some read this they will think I am daft.
> But I will mention it anyway.  Here's the problem.  And it
> only seems to happen on 40 meter SSB.  Sometimes, but not
> always, when I try to transmit on the SSB portion of 40, I
> will not see any consistent power output on my meter.  It is
> erratic, and for the most part seems to be nil, but with
> short high peaks.  On other bands, when I modulate I see a
> nice consistent meter reading that matches my voice
> modulating the radio.  Just what you would expect.  On 40,
> my antenna is actually set for the lower part of the band,
> but my ATU seems to have no problem showing me a 1:1 match
> in the SSB part of the band.  Now for the strange part,
> which I just discovered.  If I switch to CW, but at that
> higher band location, and key the transmitter briefly (which
> then shows normal power output), I can then return to SSB
> mode and my modulation per the meter looks normal!  I've
> changed no other settings in the meantime.  I have not
> retuned either.  It's as if giving a short CW burst first
> unlocks the transmitter for SSB.
>
> Anybody have any idea what is happening?
>
> Dave W7AQK
>
>
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