[Lowfer] Re: Finally completed my LOWfer Variometer

Andy - KU4XR ku4xr at yahoo.com
Mon Sep 22 16:56:53 EDT 2008


Hey Doug: according to the time on ARGO this capture was just a 
little past 11am Eastern, and you say the signal has been solid
since you first started looking again ??? I would never have
dreamed the variometer would have made that much difference in 
my signal. That is fabulous !! If you're receiving me groundwave
at around 150 miles, maybe I stand a chance this season.
Thanks for the report OM:

73, Andy - KU4XR - EM75xr


--- On Mon, 9/22/08, Douglas D. Williams <kb4oer at gmail.com> wrote:

> From: Douglas D. Williams <kb4oer at gmail.com>
> Subject: Re: [Lowfer] Finally completed my LOWfer Variometer
> To: lowfer at mailman.qth.net
> Date: Monday, September 22, 2008, 12:13 PM
> Andy,
> 
> I have you Q5 copy at 11:00am here in Watauga, TN. We are
> about 150
> miles apart, so good job on your new coil! I never could
> get any copy
> with your previous coil, so your new one is a huge
> improvement.
> 
> 
> http://i81.photobucket.com/albums/j231/Goranothos/cap00011.jpg
> 
> -Doug KB4OER
> 
> 
> 
> 
> On Sun, Sep 21, 2008 at 8:26 PM, Andy - KU4XR
> <ku4xr at yahoo.com> wrote:
> > Hello LOWfers:
> >
> > I finally finished constructing my LOWfer variometer
> for Beacon " XR ".
> > I have it sitting in my floor next to the window where
> the beacon feedline comes in. I had no idea how much
> inductance I would need, so I just put tap points in a few
> places, and started winding the wire until I ran out of
> paint bucket. The inductance ended up at peak being 5.88mH
> and at dip, 3.28mH. I connected it in the line using the end
> tap points, and
> > set the beacon to tune mode. My output was almost
> nothing, so I gave the handle a crank, and watched my field
> strength indicator start to rise, then it pegged the meter,
> and I got kinda excited. But with the meter pegged, I
> couldn't tell when I had it peaked, so I turned on my
> scope and used it to peak the output. I changed the taps
> around until I found the
> > highest output when peaked, and all I can say is: WOW
> !!! what a difference it made. Using the meter reading on my
> TS450S with the ant. disconnected, I had been getting an S-9
> reading, it is now 25dB over S-9. That should make a little
> bit of difference on the air.
> > Now, as long as the Yellowjackets And I can stay
> friends, The next step is to continue putting down some more
> radials.
> >
> > 73, and good LOWfer-ing;  Andy - KU4XR - EM75xr -
> Friendsville, TN.
> >
> >
> >
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