Return-Path: Received: from mtain-mp07.r1000.mx.aol.com (mtain-mp07.r1000.mx.aol.com [172.29.193.75]) by air-dc05.mail.aol.com (v129.4) with ESMTP id MAILINDC054-86a34d08e5c190; Wed, 15 Dec 2010 10:58:57 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mp07.r1000.mx.aol.com (Internet Inbound) with ESMTP id CFDDB38000124; Wed, 15 Dec 2010 10:58:54 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PStjx-0003ED-Rj for rs_out_1@blacksheep.org; Wed, 15 Dec 2010 15:58:05 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PStjx-0003E4-Bb for rsgb_lf_group@blacksheep.org; Wed, 15 Dec 2010 15:58:05 +0000 Received: from filter02.i-online.fr ([195.200.78.9]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1PStjv-0005W5-ND for rsgb_lf_group@blacksheep.org; Wed, 15 Dec 2010 15:58:05 +0000 Received: from smtp.qtxt.dns-iol.com ([195.200.78.13]) by filter02.i-online.fr (IceWarp 10.0.7 (2010-02-10)) with ESMTP (SSL) id XBT68526 for ; Wed, 15 Dec 2010 16:56:26 +0100 Received: (qmail 349 invoked by uid 507); 15 Dec 2010 16:56:40 +0100 Received: from unknown (HELO ?192.168.1.103?) (john.rabson@numeo.fr@217.67.155.178) by smtp.qtxt.dns-iol.com with SMTP; 15 Dec 2010 16:56:40 +0100 From: John Rabson Mime-Version: 1.0 (Apple Message framework v1082) Date: Wed, 15 Dec 2010 16:56:49 +0100 In-Reply-To: <4D08C0DA.1030007@iup.uni-heidelberg.de> To: rsgb_lf_group@blacksheep.org References: <2D9F1290-9246-4DFD-A0E6-D9D58DEF00AC@numeo.fr> <4D08A0AA.6040408@iup.uni-heidelberg.de> <4D08C0DA.1030007@iup.uni-heidelberg.de> Message-Id: <248877D2-F949-4907-A4AB-7D3F3B0F9418@numeo.fr> X-Mailer: Apple Mail (2.1082) X-Spam-Score: 0.1 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,HTML_TAG_EXIST_TBODY=0.126 Content-Type: multipart/alternative; boundary=Apple-Mail-1-588797358 Subject: Re: LF: VLF - distances achjeved X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=HTML_50_60,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: 3039ac1dc14b4d08e5be7924 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none --Apple-Mail-1-588797358 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Stefan, Gerhard, LF, Many thanks for the corrections. 73 John On 15 Dec 2010, at 14:21CET, Stefan Sch=E4fer wrote: > Ah John,=20 >=20 > Sorry, there is another bug: The QTH of the kite antenna is JN49IS36VH,= near Darmstadt. > The Earth antenna is in Heidelberg, JN49IK67 >=20 > I have changed the entries in the list below. >=20 > 73, Stefan >=20 > Am 15.12.2010 12:04, schrieb Stefan Sch=E4fer: >>=20 >> Hi John, >>=20 >> Am 15.12.2010 11:55, schrieb John Rabson: >>>=20 >>> I am writing a piece on VLF for the Cave Radio & Electronics Group Jou= rnal and would like to include distance records. Can people please confir= m that the following information is correct (or not)? >>>=20 >>> Above-ground antennas >>>=20 >>> Hz >>> ERP mW >>> From >>> To >>> km >>> 8970 >>> 58 >>> Darmstadt >>> Israel/Haifa >>> 2873 >>> 6470 >>> 9 >>> Darmstadt >>> Poland/Warshaw >>> 904 >>> 5170 >>> 5 >>> Darmstadt >>> Poland/Warshaw >>> 904 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >> The QTH of SQ5BPF is Washaw. The rest is correct. >>> Earth current antennas >>>=20 >>> Hz >>> TX power W >>> Electrode spacing m >>> From >>> To >>> km >>> 8970 >>> 250 >>> 600 >>> Heidelberg >>> Roschbach >>> 49.6 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >>>=20 >> I did successful tests to Roschbach just on 8970 Hz, not on 6470 and 51= 70. The distance is 49.6 km (since my earth antenna QTH is different to th= e kite antenna QTH). >>=20 >> Thanks too. >>=20 >> 73, Stefan/DK7FC >>> Thank you. >>> John F5VLF >>>=20 --Apple-Mail-1-588797358 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Stefan, Gerhard, LF,
Many thanks for the corrections.

= 73 John

On 15 Dec 2010, at 14:21CET, Stefan Sch=E4= fer wrote:

Ah John,

Sorry, there is another bug: The QTH of the kite antenna is JN49IS36VH, near Darmstadt.
The Earth antenna is in Heidelberg, JN49IK67

I have changed the entries in the list below.

73, Stefan

Am 15.12.2010 12:04, schrieb Stefan Sch=E4fer:
=20 Hi John,

Am 15.12.2010 11:55, schrieb John Rabson:
I am writing a piece on VLF for the Cave Radio & Electronics Group Journal and would like to include distance records.  Can people please confirm that the following information is correct (or not)?


Above-ground antennas


Hz
ERP mW
From
To
km
8970
58
Darmstadt=
Israel/Haifa
2873
6470
9
Darmstadt=
Poland/Warshaw<= /div>
904
5170
5
Darmstadt=
Poland/Warshaw
904






The QTH of SQ5BPF is Washaw. The rest is correct.

Ear= th current antennas


Hz
TX power W
Electrode spacin= g m
From
To
km
8970
250
600
Heidelberg
Roschbach=
49.6


















I did successful tests to Roschbach just on 8970 Hz, not on 6470 and 5170. The distance is 49.6 km (since my earth antenna QTH is different to the kite antenna QTH).

Thanks too.

73, Stefan/DK7FC

Thank you.

John F5VLF



=3D --Apple-Mail-1-588797358--