Return-Path: Received: from rly-de07.mx.aol.com (rly-de07.mail.aol.com [172.19.170.143]) by air-de03.mail.aol.com (v121_r5.5) with ESMTP id MAILINDE032-4e949845f8e1c0; Sat, 31 Jan 2009 09:26:32 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-de07.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINDE072-4e949845f8e1c0; Sat, 31 Jan 2009 09:26:23 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LTGnO-0001fk-8a for rs_out_1@blacksheep.org; Sat, 31 Jan 2009 14:26:06 +0000 Received: from [193.82.59.130] (helo=relay2.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LTGnN-0001fb-LF for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2009 14:26:05 +0000 Received: from smtp806.mail.ird.yahoo.com ([217.146.188.66]) by relay2.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1LTGnJ-0006Bq-KI for rsgb_lf_group@blacksheep.org; Sat, 31 Jan 2009 14:26:05 +0000 Received: (qmail 95100 invoked from network); 31 Jan 2009 14:25:56 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=btinternet.com; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:Importance:In-Reply-To:Thread-Index; b=YI3gYQ/I3pR50oMwol0rwMnMjtfjwpphx/6RMjLLOpoPeAn+IpNssWjbW/6gt8zj6hpU++PRtMOHmWFe9YtLzFeh8lhNivSmBGthF1bH23Lm1sVB2MC/7wRvzY4UDw/ryRhRcdvasJC4E5WJ1GRTlMwy1e/UeD8Lh2N0To/lL4I= ; Received: from unknown (HELO Inspiron) (hudsonville@86.128.244.208 with login) by smtp806.mail.ird.yahoo.com with SMTP; 31 Jan 2009 14:25:55 -0000 X-YMail-OSG: 0ruGb4UVM1l43_IsqTElAYMcxD48F6qb_O1nCwDCXqMxRN09aTWlQXHXcybukNjLv0pegd6osVWeDSMJrDqigWtoCGUbK.ZfJGwTJ6bLS8dSF2zpIgldh2XDaORcX0MPdVDUzQuzlN5BOaisyzdSSz4_aqtJ3KXpbLeGIsiNH5YsPLDwniCkOiw- X-Yahoo-Newman-Property: ymail-3 From: "Lee Hudson" To: Date: Sat, 31 Jan 2009 14:25:58 -0000 Message-ID: <001801c983af$d623b6b0$a402a8c0@Inspiron> MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6838 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 Importance: Normal In-Reply-To: Thread-Index: AcmDp4RZsqYU+fvqSsKmaEJiAOHa1AAB6Zog DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,AWL=-0.000,HTML_MESSAGE=0.001 Subject: LF: RE: QRP WSPR beacon Content-Type: multipart/alternative; boundary="----=_NextPart_000_0019_01C983AF.D62627B0" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.8 required=5.0 tests=HTML_30_40,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-IP: 193.82.116.20 ------=_NextPart_000_0019_01C983AF.D62627B0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Andy, LF Group, =20 I left my station running overnight with the PA outputting 16mW from 00:10-13:00. This supposedly equates to -10dBm erp according to Ae efficiency calculations.=20 But actual field strength tests still need to be made to confirm the radiated power is anywhere near as high as predicted. =20 Received consistent reports from G4FDD only a few miles away. And a few longer spots from G3XVL and GM4SLV up until 02:32. =20 Should be interesting to see what you get from your similar power.=20 Hopefully you will catch a few more stations for a better feel. =20 73, Lee M0LMH. =20 -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Andy Talbot Sent: 31 January 2009 13:26 To: rsgb_lf_group@blacksheep.org Subject: LF: QRP WSPR beacon I have a QRP WSPR Beacon going on the usual 503870Hz frequency. RF power is 100mW which gives an an estimated ERP of -6dBm - needless to say the reported power in the message is therefore wrong. =20 Its operating at 100% duty cycle at the moment while the band is quiet - if anyone has probs, just give a shout here and I'll drop the rate. =20 The WSPRnet database is showing Jim's copy of it at -29dB S/N, which compares well with the transmission an hour earlier when I made some antenna tuning tweaks and confirmed max power from the broadband PA as 140 Watts. Jim's report on that was +2dB S/N. 31dB higher and within 0.5dB of expected. Andy G4JNT www.g4jnt.com No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.176 / Virus Database: 270.10.16/1926 - Release Date: 1/30/2009 5:31 PM ------=_NextPart_000_0019_01C983AF.D62627B0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message
Hi Andy, LF Group,
 
I left my=20= station=20 running overnight with the PA outputting 16mW from=20 00:10-13:00.
This suppo= sedly=20 equates to -10dBm erp according to Ae efficiency calculations.=20
But actual= field=20 strength tests still need to be made to confirm the radiated power is=20 anywhere near as high as predicted.
 
Received c= onsistent=20 reports from G4FDD only a few miles away.
And a few=20= longer=20 spots from G3XVL and GM4SLV up until 02:32.
 
Should be=20 interesting to see what you get from your similar power.
Hopefully=20= you will=20 catch a few more stations for a better feel.
 
73,
Lee=20 M0LMH.
 
-----Original Message-----
From:=20 owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.= org]=20 On Behalf Of Andy Talbot
Sent: 31 January 2009=20 13:26
To: rsgb_lf_group@blacksheep.org
Subject: LF: QR= P=20 WSPR beacon

I have a QRP WSPR Beacon going on the usual 503870Hz=20 frequency.     RF power is 100mW which gives=20 an an estimated ERP of -6dBm - needless to say the reported power in=20= the=20 message is therefore wrong.
 
Its operating at 100% duty cycle at the moment while the band is quie= t -=20 if anyone has probs, just give a shout here and I'll drop the rate.
 
The WSPRnet database is showing Jim's copy of it at -29dB S/N, w= hich=20 compares well with the transmission an hour earlier when I made some=20 antenna tuning tweaks and confirmed max power from the broadband PA as 140= =20 Watts.  Jim's report on that was +2dB S/N.   31dB higher=20 and within 0.5dB of expected.

Andy  G4JNT
www.g4jnt.com

No virus found in this incoming message.Checked=20 by AVG - http://www.avg.com
Version: 8.0.176 / Virus Database:=20 270.10.16/1926 - Release Date: 1/30/2009 5:31=20 PM

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