Return-Path: Received: from mtain-mg04.r1000.mx.aol.com (mtain-mg04.r1000.mx.aol.com [172.29.96.204]) by air-ma10.mail.aol.com (v129.4) with ESMTP id MAILINMA102-b5414d8a865f1c; Wed, 23 Mar 2011 19:46:39 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mg04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 469EB38000094; Wed, 23 Mar 2011 19:46:37 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Q2XkE-0006lA-4V for rs_out_1@blacksheep.org; Wed, 23 Mar 2011 23:45:42 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Q2XkD-0006l1-D7 for rsgb_lf_group@blacksheep.org; Wed, 23 Mar 2011 23:45:41 +0000 Received: from relay2.uni-heidelberg.de ([129.206.210.211]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Q2XkC-0001t3-Kv for rsgb_lf_group@blacksheep.org; Wed, 23 Mar 2011 23:45:41 +0000 Received: from ix.urz.uni-heidelberg.de (cyrus-portal.urz.uni-heidelberg.de [129.206.100.176]) by relay2.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p2NNjdaZ001159 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 24 Mar 2011 00:45:39 +0100 Received: from extmail.urz.uni-heidelberg.de (extmail.urz.uni-heidelberg.de [129.206.100.140]) by ix.urz.uni-heidelberg.de (8.13.8/8.13.8) with ESMTP id p2NNjdJl014135 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 24 Mar 2011 00:45:39 +0100 Received: from [147.142.8.35] (vpn508-035.rzuser.uni-heidelberg.de [147.142.8.35]) by extmail.urz.uni-heidelberg.de (8.13.4/8.13.1) with ESMTP id p2NNjUFb009507 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 24 Mar 2011 00:45:37 +0100 Message-ID: <4D8A8628.5030506@iup.uni-heidelberg.de> Date: Thu, 24 Mar 2011 00:45:44 +0100 From: =?ISO-8859-1?Q?Stefan_Sch=E4fer?= User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; de; rv:1.9.1.11) Gecko/20100711 Thunderbird/3.0.6 MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: ,<4D894BC9.9070006@iup.uni-heidelberg.de> In-Reply-To: X-Spam-Score: 1.4 (+) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,RATWARE_GECKO_BUILD=1.426 Subject: Re: LF: Wasilla Alaska VLF - offline Content-Type: multipart/alternative; boundary="------------060500050101070806000609" 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=HTML_MESSAGE 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: 3039ac1d60cc4d8a865d2467 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none X-Mailer: Unknown (No Version) --------------060500050101070806000609 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi Laurence, Yes, try that test with Scott. 2000 km is nothing, HI. I assume you have less QRN than in EU and the path is mostly above water. We have seen here what can be achieved with some 100 uW ERP. About the windows: Of course a wideband window is fine to check conds and the noise situation. A "6000" window may be suitable although even a bit optimistic. That would be the first VLF test above 1 Lambda in USA by amateurs, right? 73, GL, Stefan Am 23.03.2011 15:34, schrieb Laurence KL7UK: > VLF pre Eu dawn signals are way down from mid winter Stefan, but that > signature increase on DHO38 signal between 0500 and 0700Z is still > there. Looks to me like a mid winter opportunity only on this 2 x > Auroral oval path at this range, but I could be mistaken. The loop is > tensioned from movement by an ice screw in the lake and given the > increasing temps Im sure it will come dislodged sooner than later - > the other side is tensioned to a Birch tree so I dont think it will > move. If Scott warms up his #2 Ill have to get someone to turn the > array as hes in a Cosine null at the moment. > > Ill take a look at the processor and see what gives but welcome any > direction on speeds/fft longterm so I can leave one or two screens up > longer term without frying the proc.. > > Not sure if Ill be in the same location by next winter :-(( Your going > to have to work out how to get an antennae up and stable in the latter > part of the of the Eu night for this path to work me thinks :-))) > > Cheers > Laurence KL7UK, Wasilla Alaska remote op'd from /5 Oklahoma > > ------------------------------------------------------------------------ > Date: Wed, 23 Mar 2011 02:24:25 +0100 > From: schaefer@iup.uni-heidelberg.de > To: rsgb_lf_group@blacksheep.org > Subject: Re: LF: Wasilla Alaska VLF - offline > > Hello Laurence, > > No hope for the end of the season? Maybe you are right, unfortunately. > But you'll come back in the next season, isn't it? :-) Or maybe just > reducing to wideband and 6000 or so? A pity... > But thanks for the service and the intersting location to watch and > sharing the optimism!! > Maybe we'll see what can be done in Greenland, that's a next step into > your direction, about... > > 73 and good luck, > > Stefan/ EI/DK7FC > > > --------------060500050101070806000609 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi Laurence,

Yes, try that test with Scott. 2000 km is nothing, HI. I assume you have less QRN than in EU and the path is mostly above water. We have seen here what can be achieved with some 100 uW ERP.

About the windows: Of course a wideband window is fine to check conds and the noise situation. A "6000" window may be suitable although even a bit optimistic.

That would be the first VLF test above 1 Lambda in USA by amateurs, right?

73, GL, Stefan

Am 23.03.2011 15:34, schrieb Laurence KL7UK:
VLF pre Eu dawn signals are way down from mid winter Stefan, but that signature increase on DHO38 signal between 0500 and 0700Z is still there. Looks to me like a mid winter opportunity only on this 2 x Auroral oval path at this range, but I could be mistaken. The loop is tensioned from movement by an ice screw in the lake and given the increasing temps Im sure it will come dislodged sooner than later - the other side is tensioned to a Birch tree so I dont think it will move. If Scott warms up his #2 Ill have to get someone to turn the array as hes in a Cosine null at the moment.
 
Ill take a look at the processor and see what gives but welcome any direction on speeds/fft longterm so I can leave one or two screens up longer term without frying the proc..
 
Not sure if Ill be in the same location by next winter :-(( Your going to have to work out how to get an antennae up and stable in the latter part of the of the Eu night for this path to work me thinks :-)))
 
Cheers
Laurence KL7UK, Wasilla Alaska  remote op'd from /5 Oklahoma
 

Date: Wed, 23 Mar 2011 02:24:25 +0100
From: schaefer@iup.uni-heidelberg.de
To: rsgb_lf_group@blacksheep.org
Subject: Re: LF: Wasilla Alaska VLF - offline

Hello Laurence,

No hope for the end of the season? Maybe you are right, unfortunately. But you'll come back in the next season, isn't it? :-) Or maybe just reducing to wideband and 6000 or so? A pity...
But thanks for the service and the intersting location to watch and sharing the optimism!!
Maybe we'll see what can be done in Greenland, that's a next step into your direction, about...

73 and good luck,

Stefan/ EI/DK7FC
 
 
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