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Re: [IRCA] Possible PL-606 LW reception on barbed wire fence?
- Subject: Re: [IRCA] Possible PL-606 LW reception on barbed wire fence?
- From: Tim Hills <thills@xxxxxxxxxxxxx>
- Date: Sat, 03 Dec 2011 19:43:49 -0600
Stephen:
There was a clear difference in the 404, cleaned some of the wax out of
my ears when the level came up. Odd resonances can happen in almost
anything, groundwave from MOG could be lining up just right to focus it
there. Be interesting to go back when the soil is dryer or wetter to see
if you get the same results in the same spot.
It was just the fence resonating, no other equipment. It's only happened
once and I've checked again several times. Could be Iron and Zinc oxides
at the point(s) of contact acting as a rectifier/detector. Very cold, no
wind and very quiet that night. Just the right place at the right time I
guess. The toaster I inherited from my mother. When I was a 5 or 6 a Ham
down the street used to come through quite loud on it. I thought Donald
Duck was trapped in there at first :P
An FSL is on my to-do list but there's a few projects I need to tend to
first.
73
Tim Hills
Sioux Falls, SD
On 12/3/2011 14:56, Stephen Airy wrote:
Hi Tim,
Well if you'll listen to the 404-MOG comparison, that'll give you an
idea of the performance of this fence antenna. That recording is the
NDB received barefoot, then with the radio on the fence. To my ear,
there's quite a difference.
Also I've noticed that not the entire fence works - just a specific
section at a specific level. I just happened to discover it
accidentally. :)
So when you heard Neil on your fence, what radio were you using? Or
was the fence itself demodulating the AM signal and acting as a
speaker of sorts? :o ;)
I've heard AM signals on other devices as well, too. When I was at my
grandpa's memorial service a year ago in his back yard, I could hear
two Asian-language stations in the speakers for the audio system.
(The 50kW station on 1430 is 1/3 mile to the northwest, along with a
23kW diplexing with them on 1300.) Recently I was near 50kW 1170
KCBQ's transmitter site attempting to record a few things with some
radios, and noticed that if I held my audio cable right, I could
clearly and loudly hear KCBQ's audio on my Zoom H2n recorder (with no
trace of 5kW 910 KECR which uses the same antenna farm). If I touched
one end of my audio cable to the metal sheath (on this one - most are
wood) encasing the grounding wire on the utility pole, it just about
blew my eardrums out.
73, Stephen
One of these days I should see about building a small FSL. I could
probably only afford to spend $20-$40 for one for now, though, so Gary
DeBock's "affordable" FSL is still way out of reach for me. Even
something inexpensive and small should be a huge improvement over the
stock antenna in my PL-606, I'd think (even more so than the fence
I've been using).
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