Return-Path: Received: from mtain-dj02.r1000.mx.aol.com (mtain-dj02.r1000.mail.aol.com [172.19.187.138]) by air-dc01.mail.aol.com (v129.10) with ESMTP id MAILINDC011-85fd4de503bd158; Tue, 31 May 2011 11:05:33 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dj02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 3A4CB3800008A; Tue, 31 May 2011 11:05:19 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QRQUU-00045d-36 for rs_out_1@blacksheep.org; Tue, 31 May 2011 16:04:18 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QRQUT-00045U-9o for rsgb_lf_group@blacksheep.org; Tue, 31 May 2011 16:04:17 +0100 Received: from out1.ip04ir2.opaltelecom.net ([62.24.128.240]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1QRQUR-0005rq-Nt for rsgb_lf_group@blacksheep.org; Tue, 31 May 2011 16:04:17 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ag8BAAAD5U1cHYCr/2dsb2JhbABTkzMDhBWDQYsRd8Y+hh4EgjeSc4QLhjU X-IronPort-AV: E=Sophos;i="4.65,297,1304290800"; d="scan'208,217";a="334519898" Received: from unknown (HELO xphd97xgq27nyf) ([92.29.128.171]) by out1.ip04ir2.opaltelecom.net with SMTP; 31 May 2011 16:04:08 +0100 Message-ID: <002401cc1fa3$fd3040b0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <824942.16340.qm@web28506.mail.ukl.yahoo.com> Date: Tue, 31 May 2011 16:04:07 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,HTML_TAG_EXIST_TBODY=0.126 Subject: Re: LF: VLF - G3XIZ QRT - MF QRV Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01CC1FAC.5EC02B30" 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_20_30,HTML_MESSAGE, HTML_TAG_EXISTS_TBODY 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: 3039cdbc9d064de503af0500 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_0021_01CC1FAC.5EC02B30 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Chris Why is the wire insulation breaking down, is the wire too thin. Think= of the amps an alternator handles with pile wound copper enamel insu= lated wire. Think of the problems you would have with a QRO rig if you are sufferi= ng breakdown with QRP De mal/g3kev ----- Original Message -----=20 From: Chris Osborn=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, May 31, 2011 3:38 PM Subject: Re: LF: VLF - G3XIZ QRT - MF QRV Thank you Stefan, I hope that you had a pleasant weekend and thank you for looki= ng for the signal. I have made some aerial improvements although not as much as= I had anticipated. I now have an inverted 'L' 48m long and with a mean height 11= m I have far better insulators too. I shall do some more improvements later. My loading coil became unserviceable yesterday at 06.10Z whils= t transmitting. I think that a flying insect hit the wires and exploded, causi= ng a short-circuit. I have had this problem before with insects with high voltages= . I shall try to rectify the coil and then see if my aerial show= s an improvement in signal strength. Eddie G3ZJO picks me up regularly and his VLF grabber is most= useful. Has anyone an easier way of making a 1.3 H loading coil ? My present dual-overlaid winding coil took many hours to make= and seems quite unreliable. 73 Chris G3XIZ --- On Tue, 31/5/11, Stefan Sch=E4fer wrote: From: Stefan Sch=E4fer Subject: Re: LF: VLF - G3XIZ QRT - MF QRV To: rsgb_lf_group@blacksheep.org Date: Tuesday, 31 May, 2011, 14:34 Hi Chris, VLF, I have been 1600 km far away over the weekend but my grabber= (s) was monitoring. Nothing seen here, unfortunately. Good luck with your improvements! I'll join in too, soon. 73, Stefan/DK7FC Am 28.05.2011 11:41, schrieb wolf_dl4yhf:=20 Hi Chris, Nothing seen here so far, but no big surprise considering= the QRN. Any copy of your signal by stations in DL or PA ? 73, Wolf DL4YHF / DF0WD . Am 28.05.2011 11:31, schrieb Chris Osborn:=20 LF, I'll be going QRT on VLF soon. I'll then put out a few calls on 500 kHz CW and se= e if there's any life left on MF. Anyone who wants a sked or a signal transmitted on= MF or LF just give me a little notice and I'll try to oblige. I'll be QRV on VLF again from 05.00Z tomorrow for= several hours. 73 Chris G3XIZ =20 =20 ------=_NextPart_000_0021_01CC1FAC.5EC02B30 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Chris
Why is the wire insulation breaking down, is= the wire too=20 thin. Think of the amps an  alternator handles with pile wound co= pper=20 enamel insulated wire.
Think of the problems you would have with a QR= O rig if you=20 are suffering breakdown with QRP
De mal/g3kev
 
----- Original Message -----
From:=20 Chris= Osborn=20
Sent: Tuesday, May 31, 2011= 3:38 PM
Subject: Re: LF: VLF - G3XIZ= QRT - MF=20 QRV

Thank you Stefan,
 
I hope that you had a pleasant weekend and thank you for= looking=20 for the signal.
 
I have made some aerial improvements although not as much= as I had=20 anticipated.
I now have an inverted 'L'  48m long and with a mean= height=20 11m
I have far better insulators too.
I shall do some more improvements later.
 
My loading coil became unserviceable yesterday at 06.10Z= whilst=20 transmitting.
I think that a flying insect hit the wires and explo= ded,=20 causing a short-circuit.
I have had this problem before with insects wit= h high=20 voltages.
 
I shall try to rectify the coil and then see if my= aerial=20 shows an improvement in signal strength.
Eddie G3ZJO picks me up regularly and his VLF grabbe= r is most=20 useful.
 
Has anyone an easier way of making a 1.3 H load= ing coil=20 ?
My present dual-overlaid winding coil took many hour= s to make=20 and seems quite unreliable.
 
73 Chris G3XIZ

--- On Tue, 31/5/11, Stefan Sch= =E4fer=20 <Stefan.Schaefer@iup.uni-heidelberg.de>=20 wrote:

From:=20 Stefan Sch=E4fer=20 <Stefan.Schaefer@iup.uni-heidelberg.de>
Subject: Re= : LF: VLF=20 - G3XIZ QRT - MF QRV
To: rsgb_lf_group@blacksheep.org
= Date:=20 Tuesday, 31 May, 2011, 14:34

Hi Chris, VLF,

I have been 160= 0 km far=20 away over the weekend but my grabber(s) was monitoring. Noth= ing seen=20 here, unfortunately.
Good luck with your improvements!I'll join=20 in too, soon.

73, Stefan/DK7FC


Am 28.05.20= 11 11:41,=20 schrieb wolf_dl4yhf:=20
Hi Chris,

Nothing seen here= so far,=20 but no big surprise considering the QRN.

Any copy= of your=20 signal by stations in DL or PA ?

73,
  = ; Wolf=20 DL4YHF / DF0WD .

Am 28.05.2011 11:31, schrieb Chris= Osborn:=20
LF,

I'll be going QRT on VLF soon.
I'll=20 then put out a few calls on 500 kHz CW and see if= there's=20 any life left on MF.

Anyone who wants a ske= d or a=20 signal transmitted on MF or LF just give me a litt= le notice=20 and I'll try to oblige.

I'll be QRV on VLF= again from=20 05.00Z tomorrow for several hours.

73
Ch= ris=20 G3XIZ
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