Return-Path: Received: from rly-dc09.mx.aol.com (rly-dc09.mail.aol.com [172.19.136.38]) by air-dc07.mail.aol.com (v121_r4.4) with ESMTP id MAILINDC071-b40495133223b3; Tue, 23 Dec 2008 13:51:30 -0500 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-dc09.mx.aol.com (v121_r4.4) with ESMTP id MAILRELAYINDC094-b40495133223b3; Tue, 23 Dec 2008 13:51:15 -0500 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1LFCLJ-0005IR-HN for rs_out_1@blacksheep.org; Tue, 23 Dec 2008 18:50:57 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1LFCLI-0005II-Vk for rsgb_lf_group@blacksheep.org; Tue, 23 Dec 2008 18:50:57 +0000 Received: from smtp-out-4.talktalk.net ([62.24.128.234] helo=smtp.talktalk.net) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1LFCLI-0006BL-A3 for rsgb_lf_group@blacksheep.org; Tue, 23 Dec 2008 18:50:56 +0000 X-Path: TTSMTP X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Ai8FAOPBUElOlrIG/2dsb2JhbACCQC6BZoQpgiMGtChYkWmGQw Received: from unknown (HELO mal769a60aa920) ([78.150.178.6]) by smtp.talktalk.net with SMTP; 23 Dec 2008 18:50:46 +0000 Message-ID: <008c01c9652f$5e5d4950$0301a8c0@mal769a60aa920> From: "mal hamilton" To: "rsgb" Date: Tue, 23 Dec 2008 18:50:47 -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-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,HTML_MESSAGE=0.001 Subject: LF: wspr Content-Type: multipart/alternative; boundary="----=_NextPart_000_0089_01C9652F.5E1A73F0" 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_0089_01C9652F.5E1A73F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable If recent published info is correct, this specifies a bandwidth of 6hz why i= s USB with a bandwidth of 3 khz necessary to receive this transmission. Surely it would be obvious that CW mode was more appropriate where one could= use a narrow filter and dsp processor of a few hertz. I have asked this question before but never got an answer. g3kev =20 ------=_NextPart_000_0089_01C9652F.5E1A73F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
If recent published info is correct, this s= pecifies=20 a bandwidth of 6hz why is USB with a bandwidth of 3 khz necessary to receive= =20 this transmission.
Surely it would be obvious that CW mode was= more=20 appropriate where one could use a narrow filter and dsp processor=20= of a=20 few hertz.
I have asked this question before but never= got an=20 answer.
g3kev
  
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