Howard,
And the Byrne hypothesis doesn't work; waning gibbous!!At 08:07 PM 
1/23/2013, you wrote:
>Tom,
>
>As with all digital equipment, there is this saying, "must be dripping bits
>into the bit bucket".  Just made that up., however, it seems that strange
>things happen in digital circuits at times.  Wish I had an answer for you.
>
>73
>
>Howard #3
>
>----- Original Message -----
>From: "Tom Behler" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Wednesday, January 23, 2013 7:12 PM
>Subject: Strange TS590 Behavior
>
>
> > Hello everyone.
> >
> > This quiry is to all of you TS590 owners out there.
> >
> > Several times now, I have noticed something really strange with my TS590,
> > the cause of which I can't exactly pinpoint.  In fact, it happened again
> > last night.
> >
> > I was making some adjustments to my TS590, and suddenly, the receive
> > sensitivity of the rig dropped.  In addition, I started getting some very
> > weird SWR readings and output power readings as I went through the bands,
> > and switched various antennas in and out.
> >
> > Since I had the ARCP590 software, and all of my memories and settings
> > saved
> > for ready reference, I did a full re-set of the rig, hoping it would
> > correct
> > the problem.
> >
> > When I was done with the re-set, the rig was still acting very strangely.
> >
> > So, I simply turned it off, and went to bed.
> >
> > This morning, I turned the rig back on, and everything was fine, as if
> > nothing ever happened.
> >
> > My theory is that something is tripping some sort of circuit protection
> > system in the rig, and that, once the rig is idle, things somehow re-set
> > themselves.
> >
> > Again, I can't say for sure what I was doing that created the problem to
> > begin with, but it didn't seem to be anything too significant.
> >
> > I'm just curious as to whether anyone else has had this sort of thing
> > happen
> > to them.
> >
> > Tom Behler: KB8TYJ