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- Subject: Re: 1500 KHz "Mystery Station"
- From: Glenn Hauser <wghauser@xxxxxxxxx>
- Date: Mon, 8 Feb 2016 01:08:51 +0000 (UTC)
- Delivered-to: irca@xxxxxxxxxxxxxxxx
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Looks like your 120/300 bearing would be closest to WAYS Macon GA, or maybe further south WSEM Donalsonville GA, both 1 kW daytimers. It`s so weak here I would not be surprised if it`s that far away.
BTW, Maylene is not in my Rand McNally large scale road atlas, nor the index. But I could find Alabaster. 73, Glenn Hauser, OK
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On Mon, 2/8/16, Les Rayburn <les@xxxxxxxxxxxxxxxx> wrote:
Sorry to disappoint Rick,
but your hypothesis needs some adjustment.Â
Just
went outside in the back yard with a Sangean PR-DR portable.
The mystery signal on 1500 KHz was very loudâdominating
the channel just after sunset at 6:20 PM Central
Time.Â
The
maximum signal off the ends of the loop (sides of the
portable radio) was obtained at a bearing of roughly 300
degrees (NW) or 120 SE.Â
I
checked several times to be sure that there was not a peak
towards due North, and verified that the mystery signal did
not peak in that direction.Â
What
does that do to the list of suspects?Â
BTW,
received an e-mail saying the following:Â
I have a low
cost app on both Android and iPhone called SigTrax that may
be a benefit to you and the others who areÂlookingÂfor
thisÂsignal.
SigTrax allows you to
plot bearing on a map image and computes and crosspoints
where the bearing plots intersect. ÂIt's a
perfectÂsolution for triangulating signals from multiple
points and different users. You can also save the bearings
in an archive and recall andÂupdate them at any
time.
73,
Les Rayburn, N1LF
121 Mayfair Park
Maylene, ALÂ
EM63nf
On Feb 7, 2016, at 5:38 PM, Rick Dau <drummer1965us@xxxxxxxxxxx>
wrote:
Glenn says he's
getting it strongest on a 95 degree bearing from Enid.
ÂTim, you say that you're only hearing it on your south
antenna.ÂÂLes, from your QTH in Maylene, I would suggest
pointing your antenna due north. ÂIf my suspicion is
correct, the warble should almostÂbe blowing your doors
off.
73,
Rick Dau (loves playing the sleuth)
South Omaha, Nebraska
EN21af
Http://www.dxworld.com/bcblog.html
________________________________________
Les,
I'm not setup with a rotatable
loop so I'm unable to get a bearing on this
other than confirming
that I only hear it on my south antenna. ÂI know, not
very helpful..
73,
Tim
Tim,
Thank you for posting
this. Extremely helpful for both DXâers and members
of the broadcast
engineering community who are attempting to help narrow
down the station with the
problem.
Do you have a bearing on
the station from your QTH?
73,
Les Rayburn, N1LF
Just so everyone's on the same
page, here's a recording of the
interference
that's in question,
which I assume is what everyone else is referring to.
I have issue with calling
this a "warbler" or "warbling" since
I
immediately think of
the Cuban transmitters with the wobbling carrier
that
sounds like someone
flexing a piece of sheet metal. ÂThis sounds nothing
like that. ÂThe noise is
present in both the upper and lower sideband and
it appears at 500 hz
intervals centered about the carrier.
https://www.youtube.com/watch?v=_M4opnMHq88
73,
Tim Tromp
West Michigan
Excellent information Glenn. We went to
Tennessee yesterday on business,
and I brought along a portable to get
some DF bearings. The warbler
noise
was very loud on the car
radio right at sunset, but I didnât have time
to
try for bearings then.
After dinner with clients, I checked again and
the
noise was so low in the
mix of stations that getting a solid bearing
would
have been fruitless.
I can confirm that WQCR in Alabaster
is powering down completely at
nightâoften an hour or more than
would be required by rule. I live in
Alabaster (Maylene) and theyâre not
even staying on at the 3 watt level
now
at night.
The station was an infrequent cheater
in the past, but I havenât heard
them do that for the past couple of
years.
We can eliminate them as
a suspect for the noise.
73,
Les Rayburn, N1LF
121 Mayfair Park
Maylene, AL
UNIDENTIFIED. 1500, Feb 7 at 0119 UT,
not much signal from KSTP, so I
am
hearing the blues music
station and the warble-tone. KSTP is so weak
that I
can get pretty good
bearings on these two, nulling them without KSTP in
the
way: warble is about 95
degrees, and blues about 135 degrees (assuming
they
are both eastward rather
than westward). Tends to confirm blues source
as
the station doing that
all-night, KCLF New Roads LA. At least on
weeknights, with weekends unaccounted
for:
http://kclf1500am.com/shows.html
Closest to the 95 degree angle from
Enid with the warble are three
Alabamans and one further
Georgian: WQCR Alabaster, 2300/3 watts, WVSM
Rainsville, 1000/-, WKAX Russellville,
1000/-; and WDPC Dallas GA,
5000/CH
3200 (Glenn Hauser, OK, DX
LISTENING DIGEST)
On 2/5/2016 11:55 AM, Rob
Keeney wrote:
If everyone posts their location and
loop bearing of the
noisy xmtr, I'll
try and plot the data.
Rob Keeney
Goose Creek SC
EM92xx
On Fri, Feb 5, 2016 at 11:09 AM, Les
Rayburn <les@xxxxxxxxxxxxxxxx>
wrote:
Most of us are using bi-directional
(simple) loops, but
weâre spread out
geographically. If we plot these on a
map, we should be able
to determine
the location pretty quickly. Assuming
that the culprit is a
licensed
broadcaster with transmitter problem,
there are a limited
number of
suspects.
Anyone have time to try this?
73,
Les N1LF
Les Rayburn, director
High Noon Media Services
130 1st Avenue West
Alabaster, AL 35007-8536
On Feb 4, 2016, at 8:00 PM, Rob Keeney
<rkeeneybbq@xxxxxxxxx>
wrote:
I had WFED in pretty well at first
look around 1730 ET with
no sign of
the
warbler. ÂNext check was 1845 ET and
the warbler was
present, but
definitely looping west of WFED.
Rob Keeney
Goose Creek SC
EM92xx
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