New K2 parameter retrieval software

[Mike Markowski]

After reading the current thread, "upgrading firmware," others might be
interested in a program I wrote.  It's at

   http://udel.edu/~mm/ham/elecraft/

and follow the "K2 Parameter Retrieval" link where the page describes
how to run it and also shows sample output.  The code is in Java so can
be run on any OS with Java installed.  I'd be interested if anyone finds
it useful - or finds it too difficult to use.

I hadn't put it on the web since the program is text oriented and not
especially user friendly, so this won't compare to the other programs on
my web page regarding ease of use.  But it sure beats pushing buttons to
get all the info!

GL & 73,
Mike ab3ap
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[KK7P]

Hello Mike!

> ...   I'd be interested if anyone finds
> it useful - or finds it too difficult to use.

Suggestion: can the program interrogate the DSP and determine and
download those settings, too?  Each mode (CW, SSB, Data) supports four
(4) user-defined filters.  There are also mode-based gain settings, and
denoiser and autonotch parameters.

Thank you for making your work available to the Elecraft community!

73,

Lyle KK7P

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[Mike Markowski]

Hi Lyle,

Lyle Johnson wrote:
> Hello Mike!
>
>> ...   I'd be interested if anyone finds
>> it useful - or finds it too difficult to use.
>
> Suggestion: can the program interrogate the DSP and determine and
> download those settings, too?  Each mode (CW, SSB, Data) supports four
> (4) user-defined filters.  There are also mode-based gain settings, and
> denoiser and autonotch parameters.

Thanks for the suggestion.  I just added it to the code and will have to
bill you double for the effort.  :-)  The code cycles through the
filters beginning with whichever is currently chosen, so it might or
might not begin with 1.  But all the info is there.

> Thank you for making your work available to the Elecraft community!

My pleasure!  73,

Mike ab3ap
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[Jack Smith-6]

I've been working on a adapter board and associated Windows software to
capture the XY recorder module output of a Tektronix 1502 TDR and it's
at the point where I will soon have a unit available for beta testing.

I thought I would first see if any Elecrafters with a Tek 1502 TDR are
interested in testing the adapter and software before I post the offer
further.  If so, please contact me directly via Email.

For those who may not be familiar with the term "TDR" and how it works,
TDR stands for "time domain reflectometer" and it can be thought of as a
"cable radar" in that it shoots a very fast rise time pulse down a
coaxial cable and then reads the reflected signal. You can see the
impedance bumps caused by connectors, where the cable has been
compressed by clamps or bends and other discontinuities, and read the
distance to the discontinuity with quite remarkable accuracy. If you
wake up one morning and the SWR on your antenna suddenly reads 10:1, a
TDR can tell you whether the problem is at the antenna or if it is a
problem with the cable or connectors, and if the problem is with the
cable or connectors, it will locate the fault to within a foot or so.

Tektronix 1502s show up with reasonable regularity in the surplus market
and are not terribly expensive. Many come with a mechanical recorder
module that is often broken or unusable due to the cost of the specialty
paper. However, a reasonable percentage have an XY output module that
provide a buffered output that follows the trace data. My adapter module
plugs into the XY adapter and connects to a PC via the USB port. The
associated software gives a display similar to that seen on the 1502's
screen, but with the ability to print, save, etc. as well as saving the
data file for analysis by other programs. If there is sufficient demand,
I may develop a second version that will plug into the 1502 mainframe
directly, as a replacement for the mechanical recorder.

I have not yet added a web page to show the adapter or software, but
will do so when the prototype PCBs are ready, which should be before the
end of this week. I will also supply advance details to any interested
party.

Jack K8ZOA
www.cliftonlaboratories.com
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