[Lowfer] WM appears from the past
John Andrews
w1tag at charter.net
Tue Feb 10 17:56:32 EST 2009
Bill,
Nope, it's all WOLF, all the time. The message of course repeats every
96 seconds, and may from time to time contain a string of 1's or 0's
that don't change every 100 milliseconds.
John A.
Bill Ashlock wrote:
> Jay,
>
> I was watching John's signal a few days ago and thought there was a
> short period of time in his modulation routine, maybe 20 sec, that was
> full 'key down' at a constant freq. John are you on line?
>
> Bill
>
>
> ------------------------------------------------------------------------
>
> From: jrusgrove at comcast.net
> To: lowfer at mailman.qth.net
> Date: Tue, 10 Feb 2009 13:01:05 -0500
> Subject: Re: [Lowfer] WM appears from the past
>
>
> Bill
>
> Figured it was practical matter rather than design...although sloping
> downward legs of a diamond or triangle probably cut ground losses some.
>
> TAGman is in WOLF mode for the winter so can't give a comparison report.
>
> Glad to see WM back at the watering hole!
>
> Jay
>
>
> ----- Original Message -----
> *From:* Bill Ashlock <mailto:ashlockw at hotmail.com>
> *To:* lowfer at mailman.qth.net <mailto:lowfer at mailman.qth.net>
> *Sent:* Tuesday, February 10, 2009 12:41 PM
> *Subject:* Re: [Lowfer] WM appears from the past
>
> Hi Jay,
>
> Well, in response to your two questions, it's all about shooting an
> arrow using the smaller #15 fish line over the tops of a number of
> trees and having it go farther than I anticipated. The #30 line that
> I had been using over the last three years up there wouldn't reach
> far enough in the horizontal dimension. My final shot was after
> loosing my first two arrows with the #15 line so I wasn't about to
> chance another shot. One arrow broke off from the line instantly
> because I had forgotten that I need to double back the line before
> tying it to the arrow for line under #20. Could have nailed a moose
> way down range, for all I know :) The other got caught on the way
> down and I broke the line while trying to free it. So I'm cheating a
> bit on the horizontal dimension but still keeping the conductor
> 200ft long. Then, too, this isn't a perfectly true triangle and has
> rounded corners. Also I will try to free the wire from the tree
> forming the east support so that the loop will have a
> more rectangular shape.
>
> BTW, what kind of signal am I registering at your base? And more
> importantly: How do I compare with Mr TAG?? The loop has an E/W
> orientation so that's about 3db less strength for you, everything
> else being equal.
>
> Bill
>
>
> ------------------------------------------------------------------------
>
> From: jrusgrove at comcast.net
> To: lowfer at mailman.qth.net
> Date: Tue, 10 Feb 2009 08:37:16 -0500
> Subject: Re: [Lowfer] WM appears from the past
>
>
> Bill
>
> Inquiring minds want to know...
>
> #1) Why you selected a triangle? A 200' perimeter triangle has about
> 30% less area than a square. It's bee a while but beacon VD used to
> run a diamond (50' on a side square...standing up on a corner).
>
> #2) How does your Part 15 argument for a 50' X 50' loop work with a
> triangle.
>
> Jay
>
> ----- Original Message -----
> *From:* Bill Ashlock <mailto:ashlockw at hotmail.com>
> *To:* lowfer at mailman.qth.net <mailto:lowfer at mailman.qth.net>
> *Sent:* Monday, February 09, 2009 11:59 PM
> *Subject:* Re: [Lowfer] WM appears from the past
>
> Hi Mitch,
>
> No kidding on being "a ghost from the past"! I just got my first
> look at Steve's Grabulator after arriving back in Andover just a
> few minutes ago. What a thrill! Here's the scoop on this
> Ellsworth loop:
>
> This is a #10 stranded insulated conductor loop in the 'Ashlock'
> configuration, and is 200ft in perimeter and totally
> tree-supported: IE: no support ropes at all, and the tree limbs
> provide the springiness to keep the wire taught. Its max height
> is about 80ft and has a general upside-down triangle shape.
> Should be low in ground loss due to the high average elevation
> of the return legs. Will measure the Rac on the next return.
> When the snow melts in the spring I plan to use the #10 to pull
> up a RG-8 conductor but right now that's buried under 3 ft of
> snow and 3 in of ice.
>
> I tried a new trick to tune the final because of the cold
> outside temperatures which worked very well. I first used my
> inductance meter to determine the loop inductance. Then I
> modified my bench test coil so that it had exactly the same
> inductance. I connected the test coil to the final while inside
> the shack and sitting next to the exciter. Then I modified the
> resonant capacitor bank inside the final's enclosure to resonate
> the test coil at 185.300. When the final was installed outside
> at the base of the loop (in bitter cold and wind) the tuning
> came out to be very close and required only a slight tweak of
> the trimmer cap. My previous approach was to calculate the
> capacitor bank capacitance from the measured loop inductance,
> but this doesn't account for the stray capacitance of the loop.
> Apparently the test coil has a similar value if stray
> capacitance even though it is a multi-turn coil.
>
> Anyway, I welcome any and all reception reports. I have no feel
> of how the mountain environment will effect both the surface and
> sky wave radiation from this loop.
>
> Bill
> Beacon Wm
>
>
>
> > From: mitch.powell at sympatico.ca
> > To: lowfer at mailman.qth.net
> > Date: Mon, 9 Feb 2009 21:17:38 -0500
> > Subject: [Lowfer] WM appears from the past
> >
> > Bill - I believe I am seeing a ghost of the past on Steve's
> grabber.
> > Is this
> > the beginning of a gathering of the 185.3 people of the past ?
> >
> > Nice signal and it must be you - but from where ?
> >
> >
> >
> > Mitch Powell
> > mitch.powell at sympatico.ca
> >
> >
> >
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