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Message-ID: <002001cbbc24$0e208d50$4001a8c0@lark>
From: "Alan Melia" <alan.melia@btinternet.com>
To: <rsgb_lf_group@blacksheep.org>
References: <4D3D95AD.11858.18D895B1@jurgenb2.3sdesign.de>, <004e01cbbc16$e0707580$4001a8c0@lark> <4D3E1E40.24225.1AEE1495@jurgenb2.3sdesign.de>
Date: Tue, 25 Jan 2011 00:08:50 -0000
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Subject: Re: LF: What freq. list can you recommend
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Hi Jurgen I dont know the list you quote....if it is a BC station list=
 these
are often kept more up to date by monitoring stations. The vlf.it list=
s
Danielle quoted carry a date or 2001 I am sire Trond's Alfac site is=
 more
up-to-date than that now.

Lightning...try
http://webflash.ess.washington.edu/spectra.html
You can back up the URL to the home page and read the info
The spectrograms give a good idea of what can be heard almost anywhere=
 in
the world.though some have restricted their max frequency to 16kHz

Alan
G3NYK

----- Original Message -----=20
From: "Jurgen Bartels" <jurgenb2@3sdesign.de>
To: <rsgb_lf_group@blacksheep.org>
Sent: Monday, January 24, 2011 11:50 PM
Subject: Re: LF: What freq. list can you recommend


Alan,

> Jurgen a lot of the list quoted are well out of date. Dont assume be=
cause
a
> station is quoted that it actually exists on that frequency. GBR and=
 GBZ
> closed years ago and the aerials were demolished. Work the other way=
 see

The problem with pages like http://www.vlf.it/trond2/15-20khz.html is=
 that I
don't know how old they are. And more confusing that GBR is listed as
"actrive"

MWLIST seems to be more accurate, it doesn't list GBR anymore.
How do guys see MWLIST, is it more up-to-date in the VLF range?

> what you can hear and then try and identify the stations  Your shoul=
d see
> around 5 or 6 stations between 17 and 24 kHz. One of the best checks=
 used
to
> be the WWWL lighning sites but our local in Shefield seems to have=
 reduced

What are those sites?


> Remember that many of the "signals" heard in this frequency area are=
 due
to
> badly designed or manufactured domestic equipment, in your or your
> neighbours houses.

Yes I know that, I'm an engineer, and treat this always with sceptism.
But my antenna is in a rural area, only our house is the closest, and=
 I know
most of the potential noise sources. But there's always something new=
 to
discover. :-)



Jurgen Bartels  Suellwarden, N. Germany
hor. Antennas: 11-ele 45-87MHz 13-ele Band-III, 48-ele UHF, FM: 15.11
TV: Winradio G305 / Fly2000 + video noise filter & variable IF BW
FM: Downconverter + Perseus + Speclab as WFM demod.
MW: staggered 300m Beverage 320=B0,  30 x 4m EWE 320=B0, Winradio & Pe=
rseus
http://dx.3sdesign.de/tv_offset_list.htm
http://dx.3sdesign.de/station_list.htm

http://fewo.3sdesign.de  - Vacation home: DX right at the Northsea coa=
st