Return-Path: Received: from mtain-mh05.r1000.mx.aol.com (mtain-mh05.r1000.mx.aol.com [172.29.96.217]) by air-de05.mail.aol.com (v129.10) with ESMTP id MAILINDE051-5eb24dc1a180116; Wed, 04 May 2011 14:57:04 -0400 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mh05.r1000.mx.aol.com (Internet Inbound) with ESMTP id BBD3C380001C6; Wed, 4 May 2011 14:57:00 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QHhEI-0008O2-JC for rs_out_1@blacksheep.org; Wed, 04 May 2011 19:55:22 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QHhEH-0008Nt-Qu for rsgb_lf_group@blacksheep.org; Wed, 04 May 2011 19:55:21 +0100 Received: from nm3-vm0.bullet.mail.ukl.yahoo.com ([217.146.183.228]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1QHhEG-0000ZZ-6M for rsgb_lf_group@blacksheep.org; Wed, 04 May 2011 19:55:21 +0100 Received: from [217.146.183.209] by nm3.bullet.mail.ukl.yahoo.com with NNFMP; 04 May 2011 18:55:13 -0000 Received: from [217.146.183.43] by tm2.bullet.mail.ukl.yahoo.com with NNFMP; 04 May 2011 18:55:13 -0000 Received: from [127.0.0.1] by omp1028.mail.ukl.yahoo.com with NNFMP; 04 May 2011 18:55:13 -0000 X-Yahoo-Newman-Id: 597368.59825.bm@omp1028.mail.ukl.yahoo.com Received: (qmail 87281 invoked from network); 4 May 2011 18:55:13 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=DKIM-Signature:Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=woeaabEvOddu+2ulS3ysJWv2arbrggAvVgKGOsh4ROh60oB5xwOqWtWiaBbsYVMtB0vcwQFfKlWf8MBN2Df0nJ5m0MsmGgTGR2jH7jsE7ZjMKf21vUGJwgtLU/LduHhQRzV6CbI+/jxG2yMqi+30leXV3YApymnZq/TKC8BNWhU= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=btinternet.com; s=s1024; t=1304535313; bh=WUvqtS2IN3muMEU6f+ZD+ysLLgMpcSButXJmRGqCfRg=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:References:In-Reply-To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=UfwtRYWFt+zz8Nae/pBS9l6zp3LcDDsqfKPvFpSDKNv8HqUQ4fWIJcCd1MJ90gH6/E4MAxNvWBMV1W3kge7jdLNulKbWoVk5uH0+LNT8VhrVex0v8Nnh5A7jfEpDJqliCFcjw9C2lzOl9DP7Rq5DPR3XkLv9fYr0U7D1ysnvwd4= Received: from DennisPC (dennis.easterling@81.132.70.165 with login) by smtp817.mail.ukl.yahoo.com with SMTP; 04 May 2011 18:55:12 +0000 GMT X-Yahoo-SMTP: TSPLEfqswBCkXAu6R8U.gZB4K6usTmjOLOcEEoLxraDeRaJTpd5b1BNNnSoo X-YMail-OSG: H31PO_MVM1mz82Qu3lxrYVSk_SXrZCKQuZoxr5Vw2c3AYBW esJPoMFZyB5rdjZf3NX5eTezIp2r0JiUOxyEJKr54BVpJgnOut4qaBLhk2aU wm8UsKCENduXw.7D3PqEGA3P.shctitIuloW6j_1wymk0.mAaL6W_KdK_uNt 4bWU8yXT08qiqjZtebj1D0b6Y32gY0Mt.2uTxNz3LVVXIPbDwg8JL5vc.LiO aLnIGRC6xJaV0n_R2TLNwDVX9ejhxjSpoxWA3oB_W4l.S5dRBk2wgkAsnBtQ LYREGN2DbIW_FaLD8Xxl2a1wMgE8eYbPTcQ8hPTCYKIygsvFP2y9Iz5W0RRA HKwZnsA-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <44AD72E671E14272B4AB64D52709441B@DennisPC> From: "DENNIS EASTERLING" To: References: In-Reply-To: Date: Wed, 4 May 2011 18:55:11 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18417 DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001,UNPARSEABLE_RELAY=0.001 Subject: Re: LF: Re: GB4FPR 502 KHZ INTERNATIONAL MARCONI DAY 30/4/2011 Content-Type: multipart/alternative; boundary="----=_NextPart_000_009A_01CC0A8C.CBA921A0" 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_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d018.2 ; domain : btinternet.com DKIM : pass x-aol-sid: 3039ac1d60d94dc1a17c0dc4 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none ------=_NextPart_000_009A_01CC0A8C.CBA921A0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi Gary Thanks for the information. Have been busy in the garden, but will= get busy with the slide rule soon. 73 Dennis M0JXM ----- Original Message -----=20 From: Gary - G4WGT=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Sunday, May 01, 2011 9:22 AM Subject: Re: LF: Re: GB4FPR 502 KHZ INTERNATIONAL MARCONI DAY 30/4/2= 011 Hi Dennis, Alan G3NYK has an ERP spreadsheet calculator which should be a good= estimate & make the calculations easier. Calculators at the bottom of= the page & you will find the page here :- http://www.alan.melia.btinternet.co.uk/programs.htm#Programs 73 Gary - G4WGT. On 1 May 2011 09:49, DENNIS EASTERLING wrote: Hi Luis In answer to your question, I calculated using the following web= site: www.smeter.net/antennas/simple-t-antennas.php and then followed th= e link to TAntenna which provided a simple Basic program tantenna.exe= by A.J.Edwards G4GGQ. Probably the easiest way is to use a google= search for T Antennas and follow the links. The outcome is probably inexact as my antenna is really of the unb= rella type with the tops sloping down, however when I converted from= true 'T' to the present setup, no difference was noticed or reported.= See attached sketch. 73 Dennis M0JXM ----- Original Message -----=20 From: Luis EA3WX=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Saturday, April 30, 2011 7:32 PM Subject: Re: LF: Re: GB4FPR 502 KHZ INTERNATIONAL MARCONI DAY 30= /4/2011=20 Hi Dennis, A question, please. I am beaconing on 502,25 KHz. My transmitter= puts 35 W into a T antenna, high 20 m and an horizontal capacitor top= of 10 m. With others ham fellows we are discussing what ERP I am sending,= but we have no results. Can you tell me how measure or are you calcul= ating or estimating this ERP? Thanks, 73 Luis, EA3WX=20 From: DENNIS EASTERLING=20 Sent: Saturday, April 30, 2011 8:55 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Re: GB4FPR 502 KHZ INTERNATIONAL MARCONI DAY 30/4/2= 011=20 Hi Graham I tried sending to you 1630-1635 and 1940-1945 local times today= Saturday 30 04 2011, but no reply. I guess you could not hear me,= or I you. I send CW 25watts into a 'T' aerial 20m top and 10m verti= cal. Estimated erp 250mW max. Anyway, I hope you had a good day wi= th plenty of DX. 73 Dennis M0JXM ------=_NextPart_000_009A_01CC0A8C.CBA921A0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi Gary
 
Thanks for the information. &nbs= p; Have been=20 busy in the garden, but will get busy with the slide rule soon.=
 
73 Dennis M0JXM
----- Original Message -----
Sent: Sunday, May 01, 2011 9:= 22 AM
Subject: Re: LF: Re: GB4FPR= 502 KHZ=20 INTERNATIONAL MARCONI DAY 30/4/2011

Hi Dennis,

Alan G3NYK has an ERP spreadsheet calculator which should be a= good=20 estimate & make the calculations easier. Calculators at the bott= om of the=20 page & you will find the page here :-


73

Gary - G4WGT.



On 1 May 2011 09:49, DENNIS EASTERLING <dennis.easterling@btinternet.com>=20 wrote:
Hi Luis
 
In answer to your question, I cal= culated using=20 the following web site:
www.smeter= .net/antennas/simple-t-antennas.php and then=20 followed the link to TAntenna which provided a simple Basic progra= m=20 tantenna.exe by A.J.Edwards G4GGQ.   Probably the easies= t way is=20 to use a google search for T Antennas and follow the links.=
 
The outcome is probably inexact= as my antenna=20 is really of the unbrella type with the tops sloping down, however= when I=20 converted from true 'T' to the present setup, no difference was no= ticed or=20 reported.   See attached sketch.
 
73 Dennis M0JXM
----- Original Message -----
From: Luis EA3WX
To: rsgb_lf_group@blacksheep.org
Sent: Saturday, April 30,= 2011 7:32=20 PM
Subject: Re: LF: Re: GB4F= PR 502 KHZ=20 INTERNATIONAL MARCONI DAY 30/4/2011

Hi Dennis,
 
A question, please. I am beaconing on 502,25 KHz. My transm= itter puts=20 35 W into a T antenna, high 20 m and an horizontal capacitor top= of 10=20 m.
 
With others ham fellows we are discussing what ERP I am sen= ding, but=20 we have no results. Can you tell me how measure or are you calcu= lating or=20 estimating this ERP?
 
Thanks, 73
 
Luis, EA3WX
 
Sent: Saturday, April 30, 2011 8:55 PM
Subject: LF: Re: GB4FPR 502 KHZ INTERNATIONAL MARCON= I DAY=20 30/4/2011
 
Hi Graham
 
I tried sending to you 1630-163= 5 and=20 1940-1945 local times today Saturday 30 04 2011, but no reply.&n= bsp; =20 I guess you could not hear me= , or I=20 you.   I send CW 25watts into a 'T' aerial 20m top and= 10m=20 vertical.   Estimated erp 250mW max.   Anywa= y, I hope=20 you had a good day with plenty of DX.
 
73 Dennis M0JXM
 

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