Return-Path: Received: from rly-ma09.mx.aol.com (rly-ma09.mail.aol.com [172.20.116.53]) by air-ma01.mail.aol.com (v121_r5.5) with ESMTP id MAILINMA013-8cb497f39142a1; Tue, 27 Jan 2009 11:41:12 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-ma09.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINMA095-8cb497f39142a1; Tue, 27 Jan 2009 11:40:53 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LRqzV-0006qF-H3 for rs_out_1@blacksheep.org; Tue, 27 Jan 2009 16:40:45 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LRqzU-0006q6-Si for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2009 16:40:44 +0000 Received: from smtp5.freeserve.com ([193.252.22.151] helo=smtp6.freeserve.com) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LRqzT-00012Y-RV for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2009 16:40:44 +0000 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3513.me.freeserve.com (SMTP Server) with ESMTP id 815427000084 for ; Tue, 27 Jan 2009 17:40:38 +0100 (CET) Received: from AGB (unknown [91.109.49.157]) by mwinf3513.me.freeserve.com (SMTP Server) with SMTP id C2B407000083 for ; Tue, 27 Jan 2009 17:40:35 +0100 (CET) X-ME-UUID: 20090127164035797.C2B407000083@mwinf3513.me.freeserve.com Message-ID: From: "Graham" To: References: <004f01c9809a$708b5c30$0301a8c0@mal769a60aa920> <15F27D85CDCF44D08A47D3D50019AD5D@DR2> In-Reply-To: <15F27D85CDCF44D08A47D3D50019AD5D@DR2> Date: Tue, 27 Jan 2009 16:40:34 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8050.1202 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8050.1202 X-Karma: unknown: X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_FONT_BIG=0.256,HTML_MESSAGE=0.001 Subject: Re: LF: Re: PROPAGATION WSPR Content-Type: multipart/alternative; boundary="----=_NextPart_000_0083_01C9809D.FA0EE230" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.1 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE, HTML_FONT_BIG,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-IP: 193.82.116.20 ------=_NextPart_000_0083_01C9809D.FA0EE230 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ... Is that 5 KW erp or Just plate input ?=20 G ..=20 From: dave.riley3=20 Sent: Tuesday, January 27, 2009 4:31 PM To: rsgb_lf_group@blacksheep.org=20 Subject: LF: Re: PROPAGATION WSPR NEWS FLASH The NEHRS,Inc. has been granted by the FCC the call letter WNE for MF=20 CW operation on 472 KHz and 500 KHz at a maximum power of 5000 watts. Hope some of you guys get your T2 license to run the station after=20 construction. As soon as the snow melts and temperatures rise a bit the=20 large vertical will be errected. My QTH can only be temporary so we=20 must find a permanent home ASAP. 73, Steve WA1HUD President NEHRS, Inc. http://nehrs.net/default.aspx ----- Original Message -----=20 From: mal hamilton=20 To: rsgb=20 Sent: Tuesday, January 27, 2009 11:15 AM Subject: LF: PROPAGATION WSPR On LF I do not think wspr is the correct mode to study propagation as sug= gested by some. Two procedures are required with the mode. First it has to b= e detected then analyised and decoded into a print format to be viewed. Mors= e sent in the QRS mode at a suitable speed between 1 and 120 sec dot only re= quires one procedure, to be detected and viewed and would give a good indica= tion of propagation whether used for QSO purposed or otherwise. I have pointed out recently that I have observed all of the traces from th= ose transmitting WSPR and had the carrier been directly keyed in QRS mode an= ID or intellegence would have been conveyed, whereas only part of the time=20= was the signals decoded in wspr. For those viewing the print format only and= getting no copy would never know whether the signall was being received or=20= if it was faulty sampling and decoding.=20 Cut out the second procedure of decoding, avoid ambiguity and use the slow= keyed carried method using morse code or murray code. A waterfall display a= nd the EYE is a very sensitive detector,=20 For those experimenting with data modes have fun but todate in the amateur= radio LF/MF context nothing yet has surpassed the use of slow morse keyed a= t a speed to suit one's needs ie propagation studies or communication betwee= n two stations. mal/g3kev ----------------------------------------------------------------------------= ---- No virus found in this incoming message. Checked by AVG - http://www.avg.com=20 Version: 8.0.176 / Virus Database: 270.10.13/1916 - Release Date: 1/26/2009=20= 07:08 ------=_NextPart_000_0083_01C9809D.FA0EE230 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
... Is that 5 KW  erp or Just plate in= put ?=20
 
G ..
 

Sent: Tuesday, January 27, 2009 4:31 PM
Subject: LF: Re: PROPAGATION WSPR

NEWS FLASH
The NEHRS,Inc. has been granted by the FC= C=20 the call letter WNE for MF
CW operation on 472 KHz and 500 KHz at a maxi= mum=20 power of 5000 watts.
Hope some of you guys get your T2 license to run the= =20 station after
construction. As soon as the snow melts and temperatures r= ise=20 a bit the
large vertical will be errected. My QTH can only be temporary=20= so=20 we
must find a permanent home ASAP.

73,=20 Steve

WA1HUD

President NEHRS, Inc.

http://nehrs= .net/default.aspx

----- Original Message -----
mal= =20 hamilton
To: rsgb
Sent: Tuesday, January 27, 2009 11:= 15=20 AM
Subject: LF: PROPAGATION WSPR

On LF  I do not think wspr is t= he=20 correct mode to study propagation as suggested by some. Two=20 procedures are required with the mode. First it has to be detected then=20 analyised and decoded into a print format to be viewed. Morse sent in the=20= QRS=20 mode at a suitable speed between 1 and 120 sec dot only requires one=20 procedure, to be detected and viewed and would give a good indication of=20 propagation whether used for QSO purposed or otherwise.
 
I have pointed out recently that I have o= bserved=20 all of the traces from those transmitting WSPR and had the carrier been=20 directly keyed in QRS mode an ID or intellegence would have been conveyed,= =20 whereas only part of the time was the signals decoded in wspr. For those=20 viewing the print format only and getting no copy would never know whether= the=20 signall was being received or if it was faulty sampling and decoding.= =20
 
Cut out the second procedure of decoding,= avoid=20 ambiguity and use the slow keyed carried method using morse code or=20 murray code. A waterfall display and the EYE is a very sensitive detector,= =20
For those experimenting with data mo= des have=20 fun but todate in the amateur radio LF/MF context nothing yet ha= s=20 surpassed the use of slow morse keyed at a speed to suit one's needs=20= ie=20 propagation studies or communication between two stations.
mal/g3kev
 


No virus found in this incoming message.
Checked by AVG -=20 http://www.avg.com
Version: 8.0.176 / Virus Database: 270.10.13/1916 -=20 Release Date: 1/26/2009 07:08
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