[TowerTalk] FA-VA5 question

[Dave Sublette]

Thanks to all.  I will take the three frequency data and send it to Dave
(Thanks!)  I have been driving all day and I need to take a nap.  I will
get to it soon.  I promise.

Thanks again,

Dave, K4TO

On Sat, Nov 6, 2021 at 4:13 PM David Gilbert <ab7echo at gmail.com> wrote:

>
> Dave,
>
> Send me the FA-VA5 complex impedance measurements for these three
> frequencies taken from each end of the line (six readings):
>
> 5 MHz, 10 Mhz, 15 MHz
>
> If I can't determine where the faults are with those measurements I
> should at least be able to determine which better frequencies to use and
> then I'll ask you for those measurements.
>
> 73,
> Dave   AB7E
>
>
>
> On 11/5/2021 9:35 AM, Dave Sublette wrote:
> > I have one of these which I use to check SWR and measure component
> values.
> > I love it.  I know it is capable of doing more.  I just haven't had a
> need
> > to use it any other way.  What I am wondering is, will the thing act as a
> > TDR?
> >
> > I have a 200 foot run of half inch Superflex cable buried in a PVC pipe.
> > Thanks to a recent lightning strike, It measures shorted at one end of
> the
> > run and open at the other.  If I could get some Idea where the problem
> is,
> > perhaps I could dig it up and repair it without trying to pull and
> replace
> > it.  A fault like this implies to me that there is a clean break
> somewhere
> > and a short somewhere else. With a TDR, I could find the break and repair
> > it, then find the short.
> >
> > Any other thoughts?  Sure would be nice if I could get this repaired
> before
> > winter sets in.
> >
> > Thanks & 73,
> >
> > Dave, K4TO
> >
> > ps -- I know there is a manual for this.  Please don't suggest that I
> read
> > it.  I have nine pieces of equipment to repair and I am up to my ears in
> > alligators!
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