[Elecraft] [KX3] SWR Reading Instability Follow-up

[Phil Wheeler]

I never watch SWR in SSB, but CMP and ALC.

73, Phil W7OX

On 4/10/14, 11:51 AM, VaibhaV Sharma wrote:
> I have noticed the same thing on my KX3 as well.
>
> Can you redo the 1-2-1-2 test with FM?
>
> You did the SSB test only with 1-2-1-2 but the FM test with XMIT full power
> and no variation in power with speech.
>

On Thu, Apr 10, 2014 at 11:06 AM, Gary Hawkins 
<gary at hawkins-zhu.com> wrote:

> Firstly thanks to everyone for your input on potential causes of SWR
> reading instability with my KX3.  Since there were so many possibilities
> (antenna, heating, radio, etc.) I knew I needed to go back to basics and
> initially test the radio with a dummy load on the bench.  Well, I managed
> to recreate the issue and have documented my findings in a short 4 min
> video,http://youtu.be/cwxk4E01IfM
>
> In short the problem appears to be associated with the KX3 reporting of
> SWR in SSB mode.  My radio is configured as follows: uC 01.79, dSP 01.27.
>   As this issue has only recently developed (last month or so), and while I
> can't be 100% sure, I think it may have occurred after I upgraded to this
> firmware version.
>
> I'll be contacting the folks at Elecraft to get their opinion on this.
>
> 73's Gary K6YOA