Return-Path: Received: from mtain-ma11.r1000.mx.aol.com (mtain-ma11.r1000.mx.aol.com [172.29.96.19]) by air-mc03.mail.aol.com (v129.4) with ESMTP id MAILINMC034-a8de4d5042a31ca; Mon, 07 Feb 2011 14:06:11 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-ma11.r1000.mx.aol.com (Internet Inbound) with ESMTP id EF611380002C6; Mon, 7 Feb 2011 14:06:08 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PmWO2-0000yy-IK for rs_out_1@blacksheep.org; Mon, 07 Feb 2011 19:04:34 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PmWO2-0000yp-0a for rsgb_lf_group@blacksheep.org; Mon, 07 Feb 2011 19:04:34 +0000 Received: from imr-da03.mx.aol.com ([205.188.105.145]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PmWNy-0001EQ-GP for rsgb_lf_group@blacksheep.org; Mon, 07 Feb 2011 19:04:33 +0000 Received: from mtaout-da03.r1000.mx.aol.com (mtaout-da03.r1000.mx.aol.com [172.29.51.131]) by imr-da03.mx.aol.com (8.14.1/8.14.1) with ESMTP id p17J4I1e025221 for ; Mon, 7 Feb 2011 14:04:18 -0500 Received: from White (nrbg-4dbe73a5.pool.mediaWays.net [77.190.115.165]) by mtaout-da03.r1000.mx.aol.com (MUA/Third Party Client Interface) with ESMTPA id C361FE0000BA for ; Mon, 7 Feb 2011 14:04:14 -0500 (EST) Message-ID: <6EA05205DCDC45179C3ED6BE697A12C8@White> From: "Markus Vester" To: References: <252130CB355C48E4BC32BA23475FEF68@White> <014201cbc6f4$028d5dd0$0401a8c0@xphd97xgq27nyf> Date: Mon, 7 Feb 2011 20:04:14 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 12.0.1606 X-MimeOLE: Produced By Microsoft MimeOLE V12.0.1606 X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: OE5ODL over different paths Content-Type: multipart/alternative; boundary="----=_NextPart_000_0015_01CBC702.31D84470" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.6 required=5.0 tests=HTML_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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: 3039ac1d60134d50429f23b5 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_0015_01CBC702.31D84470 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Mal, your report for Ossi is certainly acknowledged, and the fact that your= good receive conditions often allow you to see a signal in a relative= ly wide FFT bandwidth was indeed noted. In the context of my recent posting, it was not my intention to list= or qualify reception reports or DX achievements. In order to visualis= e patterns of fieldstrength variation over of the day, I was looking= for continuous multi-hour traces on the available grabbers. And yes, an additional data set for your distance would be valuable in= deed. For this, you could either run SpecLab slowly, or perhaps use it= 's plotter function to create a graph or list of signal level versus= time. Best 73, Markus (DF6NM) From: mal hamilton=20 Sent: Monday, February 07, 2011 7:22 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Re: OE5ODL over different paths Markus You forgot my reception report at 1191 km as confirmed by Stefan. I was able to copy all day at a speed as fast as QRS3.The signal for= most of the day morning and afternoon was fairly steady. The signal was strong enough for a QSO at QRS 3 or QRS10 Please get the statistics correct, leaving out the 1191 km distance di= storts the facts. g3kev ----- Original Message -----=20 From: Markus Vester=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Monday, February 07, 2011 5:49 PM Subject: VLF: OE5ODL over different paths Today's long carrier from OE5ODL provides another nice illustration= of the diurnal modal interference patterns. The receivers at about 200 km see a minimum before and around local= noon OE3GHB http://members.aon.at/grabber/VLF/index.html , DF6NM http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm . However at about 400 km, a maximum occurs at the same time DK7FC http://www.iup.uni-heidelberg.de/schaefer_vlf/DK7FC_VLF_Grabb= er.html ("600" window). Renato's line at about 600 km IK1QFK http://www.webalice.it/rromero/pontese/Spectrum3/last-LFtest= .jpg looks somewhat flatter, but apparently receiver gain had been steppe= d up at 12:45. At nearly 2800 km, TF3HZ http://simnet.is/halldorgudmunds/TF3HZ_VLFgrabber/ ("2400" wi= ndow) again sees a rather flat inimum from about 10 to 12 UT. Best 73, Markus (DF6NM) ------=_NextPart_000_0015_01CBC702.31D84470 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Mal,
 
your report for Ossi is certainly ack= nowledged, and=20 the fact that your good receive conditions often allow you= to see a=20 signal in a relatively wide FFT bandwidth was indeed=20 noted.
 
In the context of my recent posting,= it was not my=20 intention to list or qualify reception reports or DX achievements. In= order to=20 visualise patterns of fieldstrength variation over of the day, I= was=20 looking for continuous multi-hour traces on the available=20 grabbers.
 
And yes, an additional data set for= your distance=20 would be valuable indeed. For this, you could either run SpecLab= slowly, or=20 perhaps use it's plotter function to create a graph or list= of signal=20 level versus time.
 
Best 73,
Markus (DF6NM)

From: mal hamilton
Sent: Monday, February 07, 2011 7:22 PM
Subject: LF: Re: OE5ODL over different paths
=
Markus
You forgot my reception report at  1191= km as=20 confirmed by Stefan.
I was able to copy all day at a speed as fast= as QRS3.The=20 signal for most of the day morning and afternoon was fairly steady.
The signal was strong enough for a QSO at QRS= 3 or=20 QRS10
Please get the statistics correct, leaving out= the 1191 km=20 distance distorts the facts.
g3kev
 
----- Original Message -----
Sent: Monday, February 07, 20= 11 5:49=20 PM
Subject: VLF: OE5ODL over dif= ferent=20 paths
=
Today's long carrier from OE5ODL&nb= sp;provides=20 another nice illustration of the diurnal modal interference=20 patterns.
 
The receivers at about 200 km see&n= bsp;a minimum=20 before and around local noon
 OE3GHB http://members.aon.at/grabber/VLF/index.html ,
 DF6NM http://www.mydarc.de/df6nm/vlf/vlfgrabber.htm .<= /DIV>
 
However at about 400 km, = a maximum=20 occurs at the same time
 
Renato's line at about 600 km<= /FONT>
looks somewhat flatter, but ap= parently=20 receiver gain had been stepped up at 12:45.
 
At nearly 2800 km,
again sees a rather flat inimu= m from about=20 10 to 12 UT.
 
Best 73,
Markus (DF6NM)
 
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