Return-Path: Received: from mtain-dl01.r1000.mx.aol.com (mtain-dl01.r1000.mx.aol.com [172.29.74.207]) by air-dc08.mail.aol.com (v129.4) with ESMTP id MAILINDC081-86044d7684ac1ec; Tue, 08 Mar 2011 14:34:04 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl01.r1000.mx.aol.com (Internet Inbound) with ESMTP id 8654B380000D4; Tue, 8 Mar 2011 14:34:01 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Px2eN-0001UE-An for rs_out_1@blacksheep.org; Tue, 08 Mar 2011 19:32:55 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Px2eM-0001U5-IB for rsgb_lf_group@blacksheep.org; Tue, 08 Mar 2011 19:32:54 +0000 Received: from nm24-vm0.bullet.mail.ac4.yahoo.com ([98.139.53.222]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1Px2eK-0000eb-KW for rsgb_lf_group@blacksheep.org; Tue, 08 Mar 2011 19:32:54 +0000 Received: from [98.139.52.197] by nm24.bullet.mail.ac4.yahoo.com with NNFMP; 08 Mar 2011 19:32:46 -0000 Received: from [98.139.52.178] by tm10.bullet.mail.ac4.yahoo.com with NNFMP; 08 Mar 2011 19:32:46 -0000 Received: from [127.0.0.1] by omp1061.mail.ac4.yahoo.com with NNFMP; 08 Mar 2011 19:32:46 -0000 X-Yahoo-Newman-Id: 333511.30000.bm@omp1061.mail.ac4.yahoo.com Received: (qmail 58115 invoked from network); 8 Mar 2011 19:32:45 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=SXdQiAUMTLqVWhhMOm3Nt8Gzu+P98Cx6lsQxB4nyJxxm4XSpo2QzKJNKCJ2hKId9LEBN97xEE4ZrdSWWi+7FMyeVGsszIywzPsph7ZA9yEYWRad/fraQda36tKfAFltHhpvArzqAlx+zFkd8LpBuIdOS5Tuqofq+kKUKUTBBqJI= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1299612765; bh=bka+EpA8DMkG5QLjKuLTDtVlYiA/2oknPcUj8Y3q5+4=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=zIXSP3ORYMOma50XkDKBKKmE4Tf/1iIR7+6y+qsLNdUXRGcGd0HeHvZHUpnfZKE5GxeM/aYbufrKB3OnCE+EipCBBpjzy/pLyplQFZbi+1+XYRlwlOVA6pUoDMBqMT66u/c4Pf7LQd17tYBaNZ+AT1epqOWHtxuIgsVuZ7hXdZI= Received: from lindavideo (ken.h.wright@86.164.171.184 with login) by smtp130.mail.mud.yahoo.com with SMTP; 08 Mar 2011 11:32:44 -0800 PST X-Yahoo-SMTP: 9Y6mUHuswBAgnrOsukIiNdFDf95uy_Dz34nY1hlg2liKgYD952sjbg-- X-YMail-OSG: VUpYzuAVM1nBFwQstgtdwbvPrejKpjMWpMZpv3NUGv0peTU qsuAFE481gTeM_aBhYwYQKfF1K7SpCHNKZ8eTYOQS7vBHkfgJxFzIJbUtS3V .7iFyInzkMMWd4C2f5kN7CmlbZRbIcY78p2_yZ4UpVgOSijQaPHWlgfgL6aj nTZaxh2CL1a7fqYToWLMTJbDQczkYIRcrMXsvU6fVJKmcIx_8PStgRa_8gGZ 5FFVCcL4NnM3e7QHBMlM_H2w7XJdEKqWZxGrdR9H1B6nB.aPo_gGjAjAeqCV hHNAI7.eQBQEu7wb69a38bz1NzQ7kgUVWffvhiwGzls65MR_6vFBwOg-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <63D9FC139F624A5AAED55E0DD0F86CC9@lindavideo> From: "Ken" To: References: <03700D87899646CC9B048258707B6D6F@lindavideo> <1929DFB074C3443A9FFCCF282CE8C8BD@DennisPC> Date: Tue, 8 Mar 2011 19:32:42 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5994 DomainKey-Status: good (testing) X-Spam-Score: 3.4 (+++) X-Spam-Report: autolearn=disabled,FORGED_MUA_OUTLOOK=3.36,HTML_MESSAGE=0.001,UNPARSEABLE_RELAY=0.001 Subject: LF: Re: Re: Alpha Stations Content-Type: multipart/alternative; boundary="----=_NextPart_000_001D_01CBDDC7.9792C5C0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.4 required=5.0 tests=FORGED_MUA_OUTLOOK,HTML_30_40, 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m274.1 ; domain : btinternet.com DKIM : fail x-aol-sid: 3039ac1d4acf4d7684a976c4 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_001D_01CBDDC7.9792C5C0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Dennis. Thanks for the reply, the small peak at about 12.6 on your screen shot= is that typial?. I was not sure what I should be looking for on Winra= d, or even if Stefan's preamp was working when I saw a similar peak at= 9.941, 13.30 UTC. The preamp was at about 3m high, I have modified th= e circuit for power feeding, by winding a 130mH choke on a FT50-77 fer= rite, this has been holding up the project as I made four of them, two= for the PA0RDT miniwhip which is next. The preamp is at the end of th= e garden about 2m from the 8m main 2inch aly mast, unfortunately the= new 6th Form college is 60m from the mast.How would you suggest I eva= luate the preamp performance, I tried sliding a four turn by 60mm loop= over the 350mm whip and feeding it fron the station osc but that did= not seem to do anything. Your thoughts please. 73 Ken =20 M0KHW =20 ----- Original Message -----=20 From: DENNIS EASTERLING=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, March 08, 2011 5:41 PM Subject: LF: Re: Alpha Stations Hi Ken See attached Winlab screen shot of a group of alpha stations, shown= as little white dashes on the upper window. They start just below= 12 kHz. Spectrum lab shows more clearly where they are located, but= the real time shot on Winrad gives a better idea. I suffer from int= erference from the 25kv East Coast Main LIne railway just a 100 yards= or so from my aerial at Biggleswade. The antenna is a PA0RDT miniwh= ip, see also top right of the picture where it is mounted on a pole. 73 Dennis M0JXM ----- Original Message -----=20 From: Ken=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, March 08, 2011 2:09 PM Subject: LF: Alpha Stations Hello All. Were there any Alpha Stations transmitting on 9.941 at 13.30 UTC?,= I was checking to see I my Stefan 2 - 24 kHz preamp was working using= Winrad and saw a small peak 9.941 about 15dB above the noise, disconn= ected the amp and definately coming down the antenna. Not sure how lar= ge a signals I should see from Stefan's pre amp when switched on the= noise level does not change any suggestions please. 73s Ken M0KHW IO91TV ------=_NextPart_000_001D_01CBDDC7.9792C5C0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Dennis.
Thanks for the reply, the small peak&= nbsp;at about=20 12.6 on your screen shot is that typial?. I was not sure what I= should be=20 looking for on Winrad, or even if Stefan's preamp was working whe= n I saw a=20 similar peak at 9.941, 13.30 UTC. The preamp was at about 3m high, I= have=20 modified the circuit for power feeding, by winding a 130mH choke on a= FT50-77=20 ferrite, this has been holding up the project as I made four of them,= two for=20 the PA0RDT miniwhip which is next. The preamp is at the end of the gar= den about=20 2m from the 8m main 2inch aly mast, unfortunately the new 6th Form col= lege=20 is 60m from the mast.How would you suggest I evaluate the preamp= =20 performance, I tried sliding a four turn by 60mm loop over the 350mm= whip and=20 feeding it fron the station osc but that did not seem to do anything.= Your=20 thoughts please.
 
73
 
Ken  
 
M0KHW   
----- Original Message -----
Sent: Tuesday, March 08, 2011= 5:41=20 PM
Subject: LF: Re: Alpha Statio= ns

Hi Ken
 
See attached Winlab screen shot of= a group of=20 alpha stations, shown as little white dashes on the upper window.&nb= sp; =20 They start just below 12 kHz.  Spectrum lab shows more clearly= where they=20 are located, but the real time shot on Winrad gives a better=20 idea.   I suffer from interference from the 25kv East Coas= t Main=20 LIne railway just a 100 yards or so from my aerial at Biggleswade.&n= bsp; =20 The antenna is a PA0RDT miniwhip, see also top right of the pic= ture where=20 it is mounted on a pole.
 
73 Dennis M0JXM
----- Original Message -----
From:=20 Ken
Sent: Tuesday, March 08, 20= 11 2:09=20 PM
Subject: LF: Alpha Stations=

Hello All.
Were there any Alpha Stations tra= nsmitting on=20 9.941 at 13.30 UTC?, I was checking to see I my Stefan 2 - 24 kHz= preamp was=20 working using Winrad and saw a small peak 9.941 about 15dB ab= ove the=20 noise, disconnected the amp and definately coming down the antenna= . Not sure=20 how large a signals I should see from Stefan's pre amp when switch= ed on the=20 noise level does not change any suggestions please.
 
73s Ken
M0KHW  =20 IO91TV
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