Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mc06.r1000.mx.aol.com (Internet Inbound) with ESMTP id 10B1D3800009E; Wed, 19 Jun 2013 16:40:09 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1UpP9n-0000M6-U9 for rs_out_1@blacksheep.org; Wed, 19 Jun 2013 21:39:07 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1UpP9n-0000Lx-9e for rsgb_lf_group@blacksheep.org; Wed, 19 Jun 2013 21:39:07 +0100 Received: from impaqm2.telefonica.net ([213.4.138.18] helo=telefonica.net) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1UpP9l-0007CS-D2 for rsgb_lf_group@blacksheep.org; Wed, 19 Jun 2013 21:39:06 +0100 Received: from IMPmailhost1.adm.correo ([10.20.102.38]) by IMPaqm2.telefonica.net with bizsmtp id qKo81l00p0piX6q3NLf3y7; Wed, 19 Jun 2013 22:39:03 +0200 Received: from p1800 ([217.127.130.21]) by IMPmailhost1.adm.correo with BIZ IMP id qLf21l00A0Tqill1hLf3i2; Wed, 19 Jun 2013 22:39:03 +0200 X-CMAE-Analysis: v=1.1 cv=zOX8PX37S+M3vhHtptL+MYffHY/XwYKfV8nMfa4ElFM= c=1 sm=1 a=VY-2JVJxNB4A:10 a=ByuOfJntlSSwhBEClM/PYg==:17 a=F3M5lZpKAAAA:8 a=gMGZ60ay_KadXyT1NZMA:9 a=wPNLvfGTeEIA:10 a=wk6s2zzMB60A:10 a=HmCT5iXHAAAA:8 a=WYd5oxahAAAA:8 a=cb1z52_q6JBermX-E1EA:9 a=_W_S_7VecoQA:10 a=Nr7Pmq0tdocA:10 a=SIgZ-KYG32UA:10 a=hN1evtwaNzM_9gvO:21 a=ByuOfJntlSSwhBEClM/PYg==:117 X-original-sender: 943452288234280@telefonica.net Message-ID: <95D86085EDC741C693F34D4C4787F50E@p1800> From: "Federico" To: References: <088194F2A24545D3A5589B8F449BBFB1@p1800> <7E3285A4BC1F4E938A3077055ECF7950@gnat> Date: Wed, 19 Jun 2013 22:39:02 +0200 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5512 X-HELO-Warning: Remote host 213.4.138.18 (impaqm2.telefonica.net) used invalid HELO/EHLO telefonica.net - verification failed X-Spam-Score: -2.0 (--) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: TNX Alan My TX power is 150 W 73 es DX Federico EA2HB ----- Original Message ----- From: Alan Melia To: Wednesday, June 19, 2013 8:54 PM Subject: LF: Re: 630m Spain Hi Federico, there could be a number of reasons for your problems. [...] Content analysis details: (-2.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [213.4.138.18 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (ea2hb[at]telefonica.net) -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.3 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 7c995d39cde70605aa76dd18810a4256 Subject: LF: Re: Re: 630m Spain Content-Type: multipart/alternative; boundary="----=_NextPart_000_00C2_01CE6D3D.CC312AD0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: ** X-Spam-Status: No, hits=2.1 required=5.0 tests=FORGED_MUA_OUTLOOK,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: 3039ac1d604e51c217292964 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none This is a multi-part message in MIME format. ------=_NextPart_000_00C2_01CE6D3D.CC312AD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable TNX Alan My TX power is 150 W 73 es DX Federico EA2HB ----- Original Message -----=20 From: Alan Melia=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, June 19, 2013 8:54 PM Subject: LF: Re: 630m Spain Hi Federico, there could be a number of reasons for your problems. LF/MF does not travel as well in daylight as it does after dark. You = are looking at a 1000km + path so you need good skywave. Operation after = dark will give you about another 20dB at the receiver ar ranges greater = than 700km You may be running Maximum allowed power but on these bands it depends = where that power is going. The radiation resistance and the loss are in = series, and the Rrad is much smaller than the loss. You need to = experiment with reducing the ground loss which is probably taking the = majority of your available power. Halving the ground loss can in some = circumstances give you four times the radiated power. Good Luck Alan G3NYK ----- Original Message -----=20 From: Federico=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Wednesday, June 19, 2013 6:46 PM Subject: LF: 630m Spain I've been three weeks calling CQ on the frequency of 472.5 kHz = between 17 and 17.30 UTC and listening to the band at different times of day without result. Keep calling CQ between 17 and 17.30. I would appreciate even if = negative controls. My signals at 20 km are strong and clean. A possible correspondent at 80 km, is fighting a strong local QRM. My signal does not activate the RX of Twente. My power is close to the maximum allowed. Federico EA2HB ------=_NextPart_000_00C2_01CE6D3D.CC312AD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
TNX Alan
My TX power is 150 W
 73 es DX
Federico EA2HB
----- Original Message -----
From:=20 Alan Melia
Sent: Wednesday, June 19, 2013 = 8:54=20 PM
Subject: LF: Re: 630m = Spain

Hi Federico, there=20 could be a number of reasons for your problems.
 
LF/MF does not travel as well in = daylight as it=20 does after dark. You are looking at a 1000km + path so you need good = skywave.=20 Operation after dark will give you about another 20dB at the receiver = ar=20 ranges greater than 700km
 
You may be running Maximum allowed = power but on=20 these bands it depends where that power is going. The radiation = resistance and=20 the loss are in series, and the Rrad is much smaller than the loss. = You need=20 to experiment with reducing the ground loss which is probably taking = the=20 majority of your available power. Halving the ground loss can in some=20 circumstances give you four times the radiated power.
 
Good Luck
Alan
G3NYK
----- Original Message -----
From:=20 Federico
To: rsgb_lf_group@blacksheep.org= =20
Sent: Wednesday, June 19, = 2013 6:46=20 PM
Subject: LF: 630m Spain

I've = been three weeks calling CQ = on the frequency of = 472.5 kHz between 17=20 and 17.30 UTC
and listening to the = band at different times of day = without=20 result.
Keep=20 calling CQ between = 17=20 and 17.30. I=20 would appreciate even if negative controls.
My signals at 20 km are strong and=20 clean.
A possible correspondent at 80 = km, is fighting a=20 strong local = QRM.
My signal does not=20 activate the RX of=20 Twente.
My=20 power is close to = the maximum allowed.
Federico=20 EA2HB
------=_NextPart_000_00C2_01CE6D3D.CC312AD0--