Hi Mike,
Many hand held and portable VHF/UHF ham band transceivers also
have the aircraft band built in. Perhaps one of your friends had one.
Many inexpensive aircraft receivers are also available on ebay.
My preference is for accurately locating a source is a handheld
Yaesu FT-817 with a hand held 6 element Yagi.
73
Frank
W3LPL
----- Original Message -----
From: "Mike Smith VE9AA" <ve9aa@nbnet.nb.ca>
To: w2ttt@att.net, "dalej" <dj2001x@comcast.net>
Cc: rfi@contesting.com
Sent: Thursday, July 30, 2015 5:26:42 PM
Subject: Re: [RFI] [Bulk] Re: Electric Fence pulsing (will get worse soon !)
1.8MHz to 144MHz.....lower you go, the worse it is. 6m is moderately worse
than 10m or 15m, but that's only because I have a 6el yagi on that band,.
On 160m the pulses are on average 10/s9.....on 20m, on average s7......on 6m
(with the beam) about s3-4....on 2m with a 17el yagi, s1 or 2
I do use all HF bands and am a very active contester; that's why this is so
gosh-darn frustrating. If I was a casual DXer or ragchewer I might not be
quite so bothered.
I don't own an aircraft VHF (AM) receiver (nor is anything available
anywhere in Canada unless I want to spend more than $200 on amazon.ca for a
PL-660SLV), but did take a regular Grundig SW band handheld radio over there
last night, but without an attenuator, beam or S-meter, was unable to narrow
down where the pulses might be coming from when listening around 9.85MHz.
It's like the whole fence is radiating when I check with the handheld, but
when I use the various directional antennas I have the pulses are DEFINITELY
stronger up closer to his paddock/house, than they are directly behind my
house. I guess that's probably because there is almost no voltage in the
fence close to me.
Mike VE9AA
Mike, Coreen & Corey
Keswick Ridge, NB
-----Original Message-----
From: J. Gordon Beattie, Jr. [mailto:w2ttt@att.net]
Sent: July 30, 2015 1:52 PM
To: 'dalej'; 'Mike Smith VE9AA'
Cc: rfi@contesting.com
Subject: RE: [Bulk] Re: [RFI] Electric Fence pulsing (will get worse soon !)
Mike,
What frequency bands are being impacted by this fence?
73,
Gordon Beattie, W2TTT
201.314.6964
-----Original Message-----
From: RFI [mailto:rfi-bounces@contesting.com] On Behalf Of dalej
Sent: Thursday, July 30, 2015 12:14 PM
To: Mike Smith VE9AA <ve9aa@nbnet.nb.ca>
Cc: rfi@contesting.com
Subject: [Bulk] Re: [RFI] Electric Fence pulsing (will get worse soon !)
Maybe the higher power controller will burn off the grass. Can only hope.
Dale, k9vuj
On 30, Jul 2015, at 9:02, Mike Smith VE9AA <ve9aa@nbnet.nb.ca> wrote:
So, small update. Seems like when it rains or is extremely foggu/humid
outside the noise goes down.sometimes way down.(mostly overnight)..(solar
charged battery dying?)
I am unable to convince the neighbour he should trim weeds, even though I
told him I never noticed anything until mid-to-late May (when the grass and
weeds really took off here in NB (Ve9)
I checked a bunch of connections and even put the back of my hand on the
fence no farther than 20' from the controller. At 800' from the controller,
I can rest my hand right on it (and I am no Arnold Swatrzenegger)
I dropped him off a paper manual of his controller last w/e and highlighted
(with yellow highlighter) in no less than 8 or 9 places in the book where it
essentially says "weeds are bad..get rid of the weeds"
Hi solution?
He's going to buy a bigger fence controller that runs off 120VAC, instead of
his small to medium sized solar one.
I can't get through to him, even though he says " I didn't change anything
since last year except add the piece of fence near your property" (which is
the part engulfed in weeds..down by his paddock it's 99% open dry ground)
The only saving grace in all this fiasco, is that the noise seems to be
somewhat less since last Saturday I spent ~2 hours going around the 1000' of
fence and trimmed a couple dozen tree branches that were touching the fence,
along with dozens of raspberry bushes and weeds. I suppose if I wanted to
really wanted to get motivated I could trim 1000' of weeds with grass
shears...my weed wacker has recently died.
He's got some farm supply guy who he knows coming over with hopefully a
better fence meter (I couldn't get my Neon bulb one even to register right
at the controller) and hopefully some better experience and advice.
I don't think he believes a thing I am saying.
Exasperated in NB,
Mike VE9AA
Mike, Coreen & Corey
Keswick Ridge, NB
From: Mike Smith VE9AA [mailto:ve9aa@nbnet.nb.ca]
Sent: July 25, 2015 5:10 PM
To: 'rfi@contesting.com'
Subject: Re: [RFI] Electric Fence pulsing (will get worse soon !)
Today I walked the fence (well, most of it..the internal divide in 1 spot
was not accessible as there were 4 big Clydesdales there and nobody home at
the house)
I trimmed 9 or 10 tree branches hard up against the fence, 30 or 40 good
sized raspberries bushes, 100+ various types of weeds, but had to leave the
grass. I was only 1 guy with grass shears, tennis elbow and only so much
energy.
All this seemed to make a SMALL difference in the fence's QRM level, though
it does vary from day to day somewhat, so only over time will I know if I
have made any real change with my hour and a half of trimming.
The far end of this rectangular fence is nearly due north of my property
line. When I beam due North, NW or NE, no change in signal level. When I
beam ENE/E, the signal comes up indicating to me the most problematic area
is in the original small paddock in that direction (about East/NE from me).
I can put the back of my hand against the fence near my property and not get
knocked on my butt, so there's very little voltage close to me.
I did come upon a place at the original paddock (ENE) where there was gate
hooks that were merely looped onto some wire rope and one of the hooks was
audibly sparking. I mean, my hearing isn't the best, but I could hear it
from 5' away.
I played with the placement and stopped the arcing, but when I got back to
the shack, there was still noise. He has nice new hardware everywhere, but
is missing the 2 parts of the hooks that would attach to the stationary part
of a gate.
Owner not around, so I really didn't touch the fence nor anything else on
his property. Just trimmed weeds/branches on the outside perimeter.
I have noticed on a couple early mornings when it's been very
rainy/foggy/drizzly, the arcing "signal" is quite weak.(one day I could've
sworn it was off) Whether that means gobs of current are being dumped to
ground all night and the battery is dead, -OR- some of these places that
have less than a stellar connections (galvanized fence wire wrapped around
conductive rope and no u-bolts) are being bridged partially by water, I
don't know yet.
That's all for now.
Mike VE9AA
Mike, Coreen & Corey
Keswick Ridge, NB
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