Return-Path: Received: from rly-mf03.mx.aol.com (rly-mf03.mail.aol.com [172.20.29.173]) by air-mf08.mail.aol.com (v121_r4.4) with ESMTP id MAILINMF084-951497f510e17f; Tue, 27 Jan 2009 13:23:44 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mf03.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINMF037-951497f510e17f; Tue, 27 Jan 2009 13:23:12 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LRsaY-0001nu-9C for rs_out_1@blacksheep.org; Tue, 27 Jan 2009 18:23:06 +0000 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LRsaX-0001nf-NY for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2009 18:23:05 +0000 Received: from smtp-out-1.talktalk.net ([62.24.128.231] helo=smtp.talktalk.net) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LRsaW-0001vb-Ly for rsgb_lf_group@blacksheep.org; Tue, 27 Jan 2009 18:23:05 +0000 X-Path: TTSMTP X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AnUFABDgfklZ8+WJ/2dsb2JhbACCQxYYgWuGZgaQNK9VhUyCdg Received: from unknown (HELO mal769a60aa920) ([89.243.229.137]) by smtp.talktalk.net with SMTP; 27 Jan 2009 18:22:58 +0000 Message-ID: <00a701c980ac$47ecc7c0$0301a8c0@mal769a60aa920> From: "mal hamilton" To: References: <004f01c9809a$708b5c30$0301a8c0@mal769a60aa920> <15F27D85CDCF44D08A47D3D50019AD5D@DR2> Date: Tue, 27 Jan 2009 18:22:58 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Karma: unknown: X-Spam-Score: 0.3 (/) X-Spam-Report: autolearn=disabled,HTML_FONT_BIG=0.256,HTML_MESSAGE=0.001 Subject: LF: Re: Re: PROPAGATION WSPR Content-Type: multipart/alternative; boundary="----=_NextPart_000_00A4_01C980AC.47AA1970" X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: * X-Spam-Status: No, hits=1.0 required=5.0 tests=HTML_30_40,HTML_FONTCOLOR_BLUE, HTML_FONT_BIG,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_00A4_01C980AC.47AA1970 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable That is a more sensible power for MF. Coastal stns were running in excess of= this power and ships between 1 - 2 kw so whats new. Radio amateurs are at a disatvantage at present but could handle it, but app= liance operators NO. G3KEV ----- Original Message -----=20 From: dave.riley3=20 To: rsgb_lf_group@blacksheep.org=20 Sent: Tuesday, January 27, 2009 4:31 PM 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 s= uggested by some. Two procedures are required with the mode. First it has to= be detected then analyised and decoded into a print format to be viewed. Mo= rse sent in the QRS mode at a suitable speed between 1 and 120 sec dot only=20= requires one procedure, to be detected and viewed and would give a good indi= cation of propagation whether used for QSO purposed or otherwise. I have pointed out recently that I have observed all of the traces from=20= those transmitting WSPR and had the carrier been directly keyed in QRS mode=20= an ID or intellegence would have been conveyed, whereas only part of the tim= e was the signals decoded in wspr. For those viewing the print format only a= nd getting no copy would never know whether the signall was being received o= r if it was faulty sampling and decoding.=20 Cut out the second procedure of decoding, avoid ambiguity and use the sl= ow keyed carried method using morse code or murray code. A waterfall display= and the EYE is a very sensitive detector,=20 For those experimenting with data modes have fun but todate in the amate= ur radio LF/MF context nothing yet has surpassed the use of slow morse keyed= at a speed to suit one's needs ie propagation studies or communication betw= een 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: 270.10.14/1917 - Release Date: 1/26/200= 9 6:37 PM ------=_NextPart_000_00A4_01C980AC.47AA1970 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
That is a more sensible power for MF. Coast= al stns=20 were running in excess of this power and ships between 1 - 2 kw so whats=20 new.
Radio amateurs are at a disatvantage at pre= sent but=20 could handle it, but appliance operators NO.
G3KEV
 
 
----- Original Message -----
dave.riley3
Sent: Tuesday, January 27, 2009 4:3= 1=20 PM
Subject: LF: Re: PROPAGATION WSPR

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

73,=20 Steve

WA1HUD

President NEHRS, Inc.

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

----- Original Message -----
To: rsgb=
Sent: Tuesday, January 27, 2009 1= 1:15=20 AM
Subject: LF: PROPAGATION WSPR

On LF  I do not think wspr is= the=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 th= e=20 QRS 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= =20 observed all of the traces from those transmitting WSPR and had the carr= ier=20 been directly keyed in QRS mode an ID or intellegence would have been=20 conveyed, whereas only part of the time was the signals decoded in wspr.= For=20 those viewing the print format only and getting no copy would never know= =20 whether the signall was being received or if it was faulty sampling= and=20 decoding.
 
Cut out the second procedure of decodin= g, 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 detecto= r,=20
For those experimenting with data=20= modes=20 have fun but todate in the amateur radio LF/MF context nothing= yet=20 has surpassed the use of slow morse keyed at a speed to suit one's=20 needs ie propagation studies or communication between two=20 stations.
mal/g3kev
 


No virus found in this incoming message.
Checked by AVG -=20 http://www.avg.com
Version: 8.0.176 / Virus Database: 270.10.14/1917 -= =20 Release Date: 1/26/2009 6:37 PM
------=_NextPart_000_00A4_01C980AC.47AA1970--