[Lowfer] WM "scribbling" is back in full swing

[Andy - KU4XR]

Bill:

How do you generate the WM graphic signal ? 

Andy - KU4XR - EM75xr - Friendsville, TN.
LOWfer Beacon " XR " @ 185.29866 KHz ( QRSS-60 )
Coordinates:  N:  35* 43' 54" - W:  84* 3' 16"
http://www.myspace.com/beaconxr
http://webpages.charter.net/ku4xr/


--- On Thu, 1/14/10, Bill Ashlock <ashlockw at hotmail.com> wrote:

> From: Bill Ashlock <ashlockw at hotmail.com>
> Subject: [Lowfer] WM "scribbling" is back in full swing
> To: lowfer at mailman.qth.net
> Date: Thursday, January 14, 2010, 8:42 PM
> 
> Jay and fellow Lowfers,
> 
> Thanks for posting this, Jay..... and sorry for the
> scribbling. Haven't been reprimanded for this art-form since
> kindergarten :)
> 
> In case anyone does not know what is going on at 185.300,
> like last winter, I am running #12ga 200ft perimeter loop
> antennas from Andover, MA and from Ellsworth, NH - both at
> 1W. The Andover soil is classified as "poor" and Ellsworth
> soil is "very poor".... and in fact this mountainous, rocky
> soil is close to being not conductive at all. While the loss
> in the loop, itself, from the ground eating up some of the
> field, is less in Ellsworth it is likely that the effective
> radiation from the loop is much poorer. This is evident from
> the approx -6db comparison to the Andover signal from most
> receiving sites.
> 
> Last night around midnight I turned on WM, Ellsworth and it
> came right up, save a slight problem with getting enough
> range out of the tuning capacitor in final below the loop.
> Seems the loop has actually gained some inductance from
> laying idle for a year(?) I corrected the problem this
> morning but another problem is that the input current to the
> final is low by about 20% from last year. Funny how that
> when nightfall approached, tonight, the current went up
> about 10% (and I can remember this affect from last year). I
> don't see this effect on virtually the same loop in Andover.
> Will make some measurements on the final to see if anything
> is changing, there. Otherwise it must be an effect from the
> tree sap or the snow or the temp of the ground underneath
> the loop. Has anyone seen this much change in current on
> their loop?
> 
> Plans for the next few weeks include making comparisons
> between the two signals so any and all signal reports will
> be appreciated. Currently the Ellsworth WM is located below
> the Andover signal at ~184.996 while the Andoverver Wm is at
> ~ 185.304. Another identifier is that the "m" is from
> Andover is smaller than the "M" from Ellsworth.
> 
> Bill
> 
>