Return-Path: X-Spam-DCC: paranoid 1170; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, HTML_MESSAGE autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id tA4H4s31027955 for ; Wed, 4 Nov 2015 18:04:54 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Zu1RK-00055U-11 for rs_out_1@blacksheep.org; Wed, 04 Nov 2015 17:01:38 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Zu1RJ-00055L-KC for rsgb_lf_group@blacksheep.org; Wed, 04 Nov 2015 17:01:37 +0000 Received: from mail-wi0-f169.google.com ([209.85.212.169]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.86) (envelope-from ) id 1Zu1QF-0000li-Jk for rsgb_lf_group@blacksheep.org; Wed, 04 Nov 2015 17:01:36 +0000 Received: by wicfx6 with SMTP id fx6so93465521wic.1 for ; Wed, 04 Nov 2015 09:00:15 -0800 (PST) X-DKIM-Result: Domain=gmail.com Result=Good and Known Domain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=PSFq9EnD30krLly1J1XLKK3Q2iM7aZWfCezdSYO2yM4=; b=Y7AJ8FB+PA6Tw51qIMIG1AWMvwdWoqtC71RhiO2y14K3lDJXlxTMSMMcJrJ5Sc7Oz9 GedFW7BCsP1X9an/BYRWtmCyZa8vIAkSIxodIIvfpDWyd0fOXzcogfBRdz7cgrZ2aTI5 S0quY29atdycL4yeoCrhYfjkcaaEGk+ROyw0uBv6o908HPxlbk7KtP0XKD6zfrgXBV2F nLp5tGMeA+GZUA76qGe33MlUKxNNoK1vf+G3NAk0X9UrWN1O0/HecrVMS2wSKLAYACbf Z6zoJAWZJ6YX5WMw9/pkd69jbFm8qjEG4REBtG0Ig8gFacf8T2GMoM104Xzp2TRoQ9G7 SA2g== MIME-Version: 1.0 X-Received: by 10.194.62.15 with SMTP id u15mr3486978wjr.18.1446656415653; Wed, 04 Nov 2015 09:00:15 -0800 (PST) Received: by 10.28.183.139 with HTTP; Wed, 4 Nov 2015 09:00:15 -0800 (PST) In-Reply-To: <40C5B8C3-7D79-403C-819F-F55EEB4FE905@gmail.com> References: <1843908200.20151104162925@chriswilson.tv> <40C5B8C3-7D79-403C-819F-F55EEB4FE905@gmail.com> Date: Wed, 4 Nov 2015 17:00:15 +0000 Message-ID: From: Andy Talbot To: rsgb_lf_group@blacksheep.org X-Scan-Signature: 84016abdd353c82964b6d256164a353f Subject: Re: LF: Capacitive top hat question Content-Type: multipart/alternative; boundary=047d7ba9750ac466fe0523b9f1ae 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 4816 --047d7ba9750ac466fe0523b9f1ae Content-Type: text/plain; charset=UTF-8 The fluorescent light in my shack is located only 3m below the end of my top hat - with roof tiles and plasterboard in the way. In dry weather lights quite bright when I transmit, with even as little as 100 Watts into the antenna. Andy G4JNT On 4 November 2015 at 16:51, John Rabson wrote: > I have no experience of this at 136, but I remember visiting Ernie G3ERN > at his QTH in Harlow and finding that I could walk all around the back yard > and light a fluorescent tube when he keyed his top band mobile transmitter. > This had a horizontal loading coil the length of a Commer J2 van with a > shortish vertical whip at the opposite end from the feed. > > It must have radiated fairly well as some time about 1963 I had a contact > with him on a summer afternoon. He was in the New Forest and I was on Sark. > > 73 John F5VLF > > > On 04 Nov 2015, at 17:29, Chris Wilson wrote: > > > > 04 November 2015 > > > > > > On my 136khz set up I have a short piece of ladder line (about 16 feet > > high, strapped together at the base only) feeding the corner of my > > horizontal quad loop, which is about 460 feet in circumference. If I > > am TX'ing with WSPR I can walk around under all of the loop and a > > fluorescent tube at waist height will light quite brightly. Should the > > loop also radiate as well as the vertical section? Sorry for the > > probably naive question, I am not sure whether it's normal or not, > > thanks. > > > > > > > > -- > > > > > > Best regards, > > Chris mailto:chris@chriswilson.tv > > > > > > john.rabson07@gmail.com > > Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLANDER and ROBSONNE > > > > > > --047d7ba9750ac466fe0523b9f1ae Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
The fluorescent light in my shack is located only 3m below= the end of my top hat - with roof tiles and plasterboard in the way. =C2= =A0 In dry weather lights quite bright when I transmit, with even as little= as 100 Watts into the antenna.

Andy =C2=A0G4JNT

On 4 November= 2015 at 16:51, John Rabson <john.rabson07@gmail.com> = wrote:
I have no experience of this at 13= 6, but I remember visiting Ernie G3ERN at his QTH in Harlow and finding tha= t I could walk all around the back yard and light a fluorescent tube when h= e keyed his top band mobile transmitter. This had a horizontal loading coil= the length of a Commer J2 van with a shortish vertical whip at the opposit= e end from the feed.

It must have radiated fairly well as some time about 1963 I had a contact w= ith him on a summer afternoon. He was in the New Forest and I was on Sark.<= br>
73 John F5VLF

> On 04 Nov 2015, at 17:29, Chris Wilson <chris@chriswilson.tv> wrote:
>
> 04 November 2015
>
>
> On my 136khz set up I have a short piece of ladder line (about 16 feet=
> high, strapped together at the base only) feeding the corner of my
> horizontal quad loop, which is about 460 feet in circumference. If I > am TX'ing with WSPR I can walk around under all of the loop and a<= br> > fluorescent tube at waist height will light quite brightly. Should the=
> loop also radiate as well as the vertical section? Sorry for the
> probably naive question, I am not sure whether it's normal or not,=
> thanks.
>
>
>
> --
>
>
> Best regards,
> Chris=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 mailto:chris@chriswilson.tv
>
>

john.rabson07@gmail.com

Researching history of RABSON, BLACKSHAW, GAUNTLETT, VERLANDER and ROBSONNE=






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