Return-Path: Received: from mtain-mc08.r1000.mx.aol.com (mtain-mc08.r1000.mx.aol.com [172.29.96.80]) by air-me09.mail.aol.com (v129.4) with ESMTP id MAILINME094-8bc34cebe71f142; Tue, 23 Nov 2010 11:09:03 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mc08.r1000.mx.aol.com (Internet Inbound) with ESMTP id F1D7E380001AF; Tue, 23 Nov 2010 11:08:57 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PKvPY-0005yx-HW for rs_out_1@blacksheep.org; Tue, 23 Nov 2010 16:08:04 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PKvPY-0005yo-04 for rsgb_lf_group@blacksheep.org; Tue, 23 Nov 2010 16:08:04 +0000 Received: from out1.ip02ir2.opaltelecom.net ([62.24.128.238]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PKvPU-0005oM-BG for rsgb_lf_group@blacksheep.org; Tue, 23 Nov 2010 16:08:03 +0000 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnwEALF160xcEYEN/2dsb2JhbACCAY5rA4M2jkJxvhmFSwSBXIwrglU X-IronPort-AV: E=Sophos;i="4.59,242,1288569600"; d="scan'208,217";a="345372837" Received: from unknown (HELO xphd97xgq27nyf) ([92.17.129.13]) by out1.ip02ir2.opaltelecom.net with SMTP; 23 Nov 2010 16:07:51 +0000 Message-ID: <002401cb8b28$912cb4d0$0401a8c0@xphd97xgq27nyf> From: "mal hamilton" To: References: <861077.53684.qm@web28512.mail.ukl.yahoo.com><863803.39905.qm@web28510.mail.ukl.yahoo.com><001701cb8aec$6dd12890$0301a8c0@your91hoehfy9g> Date: Tue, 23 Nov 2010 16:07:45 -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: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: Re: LF: Re: VLF Transmissions Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01CB8B28.90D6CCA0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=HTML_40_50,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: 3039ac1d60504cebe7195fa4 X-AOL-IP: 195.171.43.25 ------=_NextPart_000_0021_01CB8B28.90D6CCA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Roger=20 I know the met office needs some info about activities on 9 Kcs but= did not realize it was every second of every transmission. I will instead operate from my EU qth where no such conditions apply.= I am not rushing though and will wait until a dozen or so become acti= ve, then I might make a start. I have all the equipment ready including a 800w amplifier. I see Chris= is using vy thin wire but I have an abundance of 1mm and 2mm enamelle= d copper wire for the job to avoid heating and flashing. This sort of freq needs at least a few hundred watts and an elevated= antenna to cover a reasonable distance, QRP and earth antenna will= not get beyond your front gate, the met office have little to fear at= present. mal/g3kev =20 ----- Original Message -----=20 From: Roger Lapthorn=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, November 23, 2010 11:51 AM Subject: Re: LF: Re: VLF Transmissions Yes Mal.=20 The process is quite simple: we drop them an email and they (one of= 3 people in Exeter) respond almost by return. I have been pre-booking= slots weeks ahead. They also require copies of a log showing the actu= al activity so they can check if they were being interfered with (I bo= ok for a day but may only be testing for a couple of hours). I agree it is a bit OTT, but never mind. Have you applied yet? 73s Roger G3XBM On 23 November 2010 08:57, mal hamilton wrot= e: Chris Do u have to get met office permission each time u tx, whereas a= strong signal from across the channel is permitted.=20 it was he same senario in the early CB days, not permittedd in the= UK but strong signals 20 miles away from the rest of EU was ok strange world g3kev ----- Original Message -----=20 From: Chris Osborn=20 To: LF Group=20 Sent: Monday, November 22, 2010 3:13 PM Subject: LF: VLF Transmissions LF, I have permission to transmit VLF this evening and details are= as follows:- ----------------------------------------------------------------------= ---- DETAILS OF TESTS Loc: Biggleswade IO 92 UB =20 Time: Monday 22nd November 2010 20.00 - 22.00 GMT Freq: 8.9719 kHz Mode: QRSS - 10 second dot length / DFCW with 0.05 Hz shift= / CW identifier at 5 wpm Power: Limited to 20 watts RF output (ERP unknown) Aer: 40m inverted 'L' at 10 m above ground. Any reports or comments are welcome.I Regards, Chris=20 G3XIZ --=20 http://g3xbm-qrp.blogspot.com/ http://www.g3xbm.co.uk http://www.youtube.com/user/g3xbm G3XBM GQRP 1678 ISWL G11088 ------=_NextPart_000_0021_01CB8B28.90D6CCA0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Roger
I know the met office needs some info= about=20 activities on 9 Kcs  but did not realize it was every second of= every=20 transmission.
I will instead operate from my EU qth=  where=20 no such conditions apply. I am not rushing though and will wait until= a dozen or=20 so become active, then I might make a start.
I have all the equipment ready includ= ing a 800w=20 amplifier. I see Chris is using vy thin wire but I have an abundance= of 1mm and=20 2mm enamelled copper wire for the job to avoid heating and=20 flashing.
This sort of freq needs at least a fe= w hundred=20 watts and an elevated antenna  to cover a reasonable distance, QR= P and=20 earth antenna will not get beyond your front gate, the met office have= little to=20 fear at present.
mal/g3kev
 
 
 
 
----- Original Message -----
Sent: Tuesday, November 23,= 2010 11:51=20 AM
Subject: Re: LF: Re: VLF=20 Transmissions

Yes Mal.

The process is quite simple: we drop= them an=20 email and they (one of 3 people in Exeter) respond almost by return.= I have=20 been pre-booking slots weeks ahead. They also require copies of a lo= g showing=20 the actual activity so they can check if they were being interfered= with (I=20 book for a day but may only be testing for a couple of hours).
I agree=20 it is a bit OTT, but never mind.

Have you applied=20 yet?

73s
Roger G3XBM

On 23 November 2010 08:57, mal hamilton <g3ke= vmal@talktalk.net>=20 wrote:
Chris
Do u have to get met office permi= ssion each=20 time u tx, whereas a strong signal from across the channel is perm= itted.=20
it was he same senario in the ear= ly CB days,=20 not permittedd in the  UK but strong signals 20 miles away fr= om the=20 rest of  EU was ok
strange world
g3kev
 
----- Original Message -----
From:=20 Chris Osborn
To: LF Group=20
Sent: Monday, November 22= , 2010 3:13=20 PM
Subject: LF: VLF Transmis= sions

LF,

I ha= ve permission to=20 transmit VLF this evening and details are as=20 follows:-



 
DETAILS OF TESTS
 
Loc:       &= nbsp;=20 Biggleswade   IO 92 UB =20
Time:       Monday=20 22nd November 2010   20.00 - 22.00 GMT<= /DIV>
Freq:        8.9719 kHz<= /DIV>
Mode:      QRSS - 10 second dot le= ngth /=20 DFCW with 0.05 Hz shift / CW identifier at 5 wpm
Power:     Limited to 20 watts RF= output=20 (ERP unknown)
Aer:         40m in= verted 'L'=20 at 10 m above ground.


Any reports or comments are=20 welcome.I

Regards,
 
Chris
G3XIZ







--
http://g3xbm-qrp.blogspot.com/
http://www.g3xbm.= co.uk
http://www.youtube.com/user/g3xbm
G3XBM  = ; GQRP=20 1678    ISWL G11088
------=_NextPart_000_0021_01CB8B28.90D6CCA0--