[Lowfer] Whose on 185.301

[Bill Ashlock]

Paul, John:

>>I see you in there John!

>Bill is currently making that sine wave, which is swinging from about
>185299.5 to 185300.15.

I just returned for Vermont where we stayed a B and B west of Woodstock on 
Saturday night.  I finally got the chance to check out the laptop computer 
with ARGO and the R-75 connected to the magmount E-probe - in the parking 
lot, yet. The path is far less than ideal with mountains covering over half 
of the 120 mile distance. The signal from WA was surprisingly strong ( best 
described as 'thick') with very little QSB evident. John, TAG pretty was 
decent as well, with some QSB. I'll send you a copy. Interesting how ARGO 
calculates the strength of TAG just a bit less than WA. but WA knocks you 
over with it's boldness. Must have something to do with slope of the 
modulation.

This morning I checked the signal in a parking lot just north of Woodstock 
and fond WA at least as strong as Sat night with no QSB (so assume a surface 
wave signal). Just for the heck of it I drove to downtown Woodstock and 
parked in the midst of 3 story buildings. The signal was way down in 
strength but still recognizable.

I'm actually sending a triangular FM signal, not a sine. The frequency is 
~.005 Hz via a wavetek sig gen. ARGO must be rounding the slope transitions. 
From experiments at home it looks like ARGO responds much better to constant 
slope FM than a sine with variable slope. It's interesting that ARGO 
produces such a wide trace on the screen, even if the signal is weak.  I'll 
be getting rid of the signal gen tonight and use the computer to generate 
the slant modulation along with some breaks in the signal to make it look 
like a WA.

Bill A

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