Return-Path: Received: from mtain-df09.r1000.mx.aol.com (mtain-df09.r1000.mx.aol.com [172.29.64.221]) by air-ma02.mail.aol.com (v129.4) with ESMTP id MAILINMA024-b4f64d54281a1ed; Thu, 10 Feb 2011 13:02:02 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-df09.r1000.mx.aol.com (Internet Inbound) with ESMTP id B0FD83800033C; Thu, 10 Feb 2011 13:02:00 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PnapM-0000Hd-1o for rs_out_1@blacksheep.org; Thu, 10 Feb 2011 18:01:12 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PnapL-0000HU-Ez for rsgb_lf_group@blacksheep.org; Thu, 10 Feb 2011 18:01:11 +0000 Received: from out1.ip07ir2.opaltelecom.net ([62.24.128.243]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PnapJ-0002H2-39 for rsgb_lf_group@blacksheep.org; Thu, 10 Feb 2011 18:01:11 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ai8BAPO2U01Ok84b/2dsb2JhbACCS5BeA4Nijl1zukiFXASBY41ignI X-IronPort-AV: E=Sophos;i="4.60,451,1291593600"; d="scan'208,217";a="479629229" Received: from unknown (HELO xphd97xgq27nyf) ([78.147.206.27]) by out1.ip07ir2.opaltelecom.net with SMTP; 10 Feb 2011 18:01:01 +0000 Message-ID: <00c401cbc94c$79b4ca60$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <988315.45122.qm@web28515.mail.ukl.yahoo.com> Date: Thu, 10 Feb 2011 18:00:54 -0000 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 Transmissions - G3XIZ - 12th / 13th February Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C1_01CBC94C.7950B160" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.2 required=5.0 tests=HTML_70_80,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: 3039ac1d40dd4d5428184be4 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_00C1_01CBC94C.7950B160 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Chris Some sort of ID is necessary. I arranged with OE5ODL to cut carrier fo= r pos id. A continuous carrier needs regular cuts. QRS is preferable to DFCW as an ID tool. also regular feedback reporting is also necessary. g3kev ----- Original Message -----=20 From: Roger Lapthorn=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Thursday, February 10, 2011 5:52 PM Subject: Re: LF: VLF Transmissions - G3XIZ - 12th / 13th February Hi Chris, Very good luck. I'll be looking for you and hoping for success this= time.=20 An email direct and to this group saying when TX starts/ends would= be helpful. Don't suppose you can send QRSS60 or similar to help with= ID? Have passed the word on to Nick G4IKZ as he is closer to you than= me and not sure he subscribes to this list. 73s Roger G3XBM On 10 February 2011 14:42, Chris Osborn wrote: LF, I have had permission to transmit on VLF this coming weekend: 12th= and 13th February. Weather permitting I shall try again with my balloon-launched aeri= al, hopefully about 50m vertical. The frequency will be=20 8.976 66 kHz (i.e. 10.000 MHz / 1114) and is derived from an oven= controlled xtal oscillator. Hopefully the frequency will be more stable than last time. If this frequency proves unsuitable I can transmit on 10.000 MHZ= / 1112 . .10.000 MHz / 1116 etc. I shall send a continuous carrier as and when conditions permit. My newly built VLF TX is working well and can deliver about 150 wa= tts of RF. On this occasion I shall be using the original (fairly lossy) load= ing coil but am presently making a more efficient one. All reports will be most welcome. 73 Chris G3XIZ --=20 g3xbm-qrp.blogspot.com/ www.g3xbm.co.uk www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 =20 ------=_NextPart_000_00C1_01CBC94C.7950B160 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Chris
Some sort of ID is necessary. I arranged with= OE5ODL to=20 cut carrier for pos id. A continuous carrier needs regular cuts.
QRS is preferable to DFCW as an ID tool.
also
regular feedback reporting  is=20 also necessary.
g3kev
 
----- Original Message -----
Sent: Thursday, February 10,= 2011 5:52=20 PM
Subject: Re: LF: VLF Transmis= sions -=20 G3XIZ - 12th / 13th February

Hi Chris,

Very good luck. I'll be looking for= you and=20 hoping for success this time.

An email direct and to this gr= oup saying=20 when TX starts/ends would be helpful. Don't suppose you can send QRS= S60 or=20 similar to help with ID? Have passed the word on to Nick G4IKZ as he= is closer=20 to you than me and not sure he subscribes to this list.

73sRoger=20 G3XBM


On 10 February 2011 14:42, Chris Osborn <g3xiz@ya= hoo.co.uk> wrote:
LF,
 
I have had permission to transmit on VLF this coming weekend:= 12th and=20 13th February.
Weather permitting I shall try again with my balloon-launched= aerial,=20 hopefully about 50m vertical.
 
The frequency will be
 
8.976 66 kHz  (i.e. 10.000 MHz / 1114) and is der= ived from=20 an oven controlled xtal oscillator.
Hopefully the frequency will be more stable than last time.
If this frequency proves unsuitable I can transmit on 10.000= MHZ / 1112=20 . .10.000 MHz / 1116  etc.
 
I shall send a continuous carrier as and when conditions perm= it.
 
My newly built VLF TX is working well and can deliver about= 150 watts=20 of RF.
On this occasion I shall be using the original (fairly lossy)= loading=20 coil but am presently making a more efficient one.
 
All reports will be most welcome.
 
73
Chris G3XIZ
 
 




--=20
g= 3xbm-qrp.blogspot.com/
www.g3xbm.co.uk
www.youtube.com/user/g3xbm=
G3XBM =   GQRP 1678    ISWL=20 G11088
3D""
   
 
3D""   <= IMG style=3D"VERTICAL-ALIGN: middle" alt=3D"" = src=3D"sacore:empty.gif">      
 =20
 =20
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