Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mi03.r1000.mx.aol.com (Internet Inbound) with ESMTP id A09A8380000C7; Mon, 18 Mar 2013 21:24:07 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UHlGX-0000qa-Gc for rs_out_1@blacksheep.org; Tue, 19 Mar 2013 01:23:01 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UHlGW-0000qR-K6 for rsgb_lf_group@blacksheep.org; Tue, 19 Mar 2013 01:23:00 +0000 Received: from blu0-omc1-s10.blu0.hotmail.com ([65.55.116.21]) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UHlGT-0004I9-T7 for rsgb_lf_group@blacksheep.org; Tue, 19 Mar 2013 01:22:59 +0000 Received: from BLU153-W58 ([65.55.116.8]) by blu0-omc1-s10.blu0.hotmail.com with Microsoft SMTPSVC(6.0.3790.4675); Mon, 18 Mar 2013 18:22:36 -0700 X-EIP: [0dAK0dPvHcn1br6J8W2fDf8TlvaN5Ktn] X-Originating-Email: [hellozerohellozero@hotmail.com] Message-ID: From: Laurence KL1 X To: "rsgb_lf_group@blacksheep.org" Date: Mon, 18 Mar 2013 17:22:34 -0800 Importance: Normal In-Reply-To: <796d7f69024c40898ee47dc1140e2ab9@kabelmail.de> References: <796d7f69024c40898ee47dc1140e2ab9@kabelmail.de> MIME-Version: 1.0 X-OriginalArrivalTime: 19 Mar 2013 01:22:36.0080 (UTC) FILETIME=[3D088B00:01CE2440] X-Spam-Score: -2.5 (--) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Grabber on line Uwe - we have some qrm from a local cable company which Im working on - looks like one of the Cable amps up the road is oscillating at 19KHz - ouch - look at my wideband snapper and youll see what I mean - 40dBm [...] Content analysis details: (-2.5 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [65.55.116.21 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (hellozerohellozero[at]hotmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -2.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 29f1b43ee9e13e220716185d38bfb88c Content-Type: multipart/alternative; boundary="_08fd74aa-f068-4634-925b-8e5b76351792_" Subject: RE: LF: Decca 5501 mod, conditions, noise mitigation, 8970 et al; X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=FORGED_HOTMAIL_RCVD, HTML_MESSAGE,TO_ADDRESS_EQ_REAL autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d7b8b5147be36331e X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --_08fd74aa-f068-4634-925b-8e5b76351792_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Grabber on line Uwe - we have some qrm from a local cable company which Im = working on - looks like one of the Cable amps up the road is oscillating at= 19KHz - ouch - look at my wideband snapper and youll see what I mean - 40d= Bm - but it looks clear on 8970 - running now 238uHz Bucket bin - dang VLF ref= erence station keeps on going off and GPS twinking up here with all this Au= rorally stuff.... We are now at 12 day 12 hours night increasing at 5 mins 46 secs per day...= but still -28C last night Laurence KL 1 X Date: Mon=2C 18 Mar 2013 14:18:53 +0100 From: uwe-jannsen@kabelmail.de To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Decca 5501 mod=2C conditions=2C noise mitigation=2C 8970 = et al=3B Hi Laurence=2C =0A= last days I made some tests on 8970Hz=2C mode CASTLE=2C shift 0=2C002Hz tra= nsmitting the letter =93W=94 in 5000sec/dot. Pse see: =0A= http://abelian.org/vlf/fbins.shtml#p=3D1363442400&b=3D080&s=3Dsp=0A= the signs could be seen on all grabbers I know.=0A= Now I changed the speed and the shift to 10000sec/dot and 0=2C001Hz=2C =0A= I`ll give the PA some coal extra.=0A=
Grabber on line Uwe - we have so= me qrm from a local cable company which Im working on - looks like one of t= he Cable amps up the road is oscillating at 19KHz - ouch - look at my wideb= and snapper and youll see what I mean - 40dBm

- but it looks clear o= n 8970 - running now 238uHz Bucket bin - dang VLF reference station keeps o= n going off and GPS twinking up here with all this Aurorally stuff....
<= br>We are now at 12 day 12 hours night increasing at 5 mins 46 secs per day= ...but still -28C last night

Laurence KL 1 X



Date: Mon=2C 18 = Mar 2013 14:18:53 +0100
From: uwe-jannsen@kabelmail.de
To: rsgb_lf_gr= oup@blacksheep.org
Subject: Re: LF: Decca 5501 mod=2C conditions=2C noi= se mitigation=2C 8970 et al=3B

Hi  =3BLaurence=2C
= =0A= last days I made some tests on 8970Hz=2C mode CASTLE=2C shift 0=2C002Hz transmitting the letter =93W=94 i= n 5000sec/dot. Pse see:
=0A= http://abelian.org/vlf/fbins.shtml#p=3D1363442400&=3Bb=3D080&=3Bs=3Ds= p
=0A= the signs could be seen on all grabbers I know.
=0A= Now I changed the speed and the shift to 10000sec/dot and 0= =2C001Hz=2C
=0A= I`ll give the PA some coal extra.
=0A=  =3B<=3BVLF
=0A= <=3BIf anyone wants to spark up on 8970Hz again from Eu Im looking at slo= w QRSS's and shoving the results out on the web site.
=0A= <=3BThe s/n noise is now vastly improved down there too using the E field= L400B.
=0A=  =3Bpse=2C Laurence=2C let us have an other try.
=0A= GL
=0A= Uwe/dj8wx/jo43sv
=0A=
=0A= Von: rsgb_lf_group@blacksheep.org
=0A= Gesendet: 02.03.2013 09:00
=0A= An: rsgb_lf_group@blacksheep.org
=0A= Betreff: LF: Decca 5501 mod=2C conditions=2C noise mitigation=2C 8970 et a= l=3B
=0A=
=0A=
=0A=
=0A= =0A=
Decca 5501 mod -
=0A=
=0A= I think I recall that the late G3AQC=2C maybe others =3B had a clever w= ay of installing mods allowing it to be "switched" =3B between 137 and = 500 - if anyone has any details Id like to hear or see them - with thanks.<= br>=0A=
=0A= Conditions -
=0A=
=0A= Well - its been a very poor LF season up here to date - with only a couple = of Eu openings=2C obviously my stars havent been aligned=2C or moreover the= Coronal holes have been. =3B At least the nights are getting shorter=0A=
=0A=  =3B- HF conditions are very poor too at this time. Still its good X co= untry skiing weather and the Aurora are pretty.
=0A=
=0A= VLF
=0A=
=0A= If anyone wants to spark up on 8970Hz again from Eu Im looking at slow QRSS= 's and shoving the results out on the web site.
=0A=
=0A=  =3BThe s/n noise is now vastly improved down there too using the E fie= ld L400B.
=0A=
=0A= QRM
=0A=
=0A= I spent yesterday after noon with our local power utility linesman tracking= down a noise source(s) pulsing away at 9Khz prf from 50kHz to 5MHz - trace= d one to a house about 0.4 miles from here=2C and I have a second one with = the same sort of signature which is proving more difficult to DF. =3B I= havent approached the owners yet=2C but heck sitting outside the offenders= house on the road in the car with the SDRIQ and another L400B magmount the= pulses were stronger than local NDB and some MW broadcast signals and a hu= ge amount being re radiated from the underground power lines - so you can i= magine something fairly meaty shoving out this do doo=2C especially as I ca= n hear the same signatures (but maybe not the same source) on overhead HT p= ower lines some 5 miles away - Im guessing home automation=2C but it might = be a wayward lighting switch or blender :-) . If your interested theres a v= isual capture of the interference source covering the MF band at
=0A=
=0A= http://kl7uk.com= /Screen7.png
=0A=
=0A= or on WSPR water fall  =3B http://kl7uk.com/MEA1.png
=0A=
=0A=
=0A= Cheers
=0A=
=0A=
=0A=
=0A=
=0A=
=0A= Laurence KL 1 X =3B WE2 XPQ
=0A=
=0A=
= --_08fd74aa-f068-4634-925b-8e5b76351792_--