Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-dl05.r1000.mx.aol.com (Internet Inbound) with ESMTP id ECE0238000094; Sat, 16 Jun 2012 15:30:41 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Sfygr-00006f-5v for rs_out_1@blacksheep.org; Sat, 16 Jun 2012 20:29:45 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Sfygq-00006W-Je for rsgb_lf_group@blacksheep.org; Sat, 16 Jun 2012 20:29:44 +0100 Received: from smtpout2.wanadoo.co.uk ([80.12.242.42] helo=smtpout.wanadoo.co.uk) by relay1.thorcom.net with esmtp (Exim 4.77) (envelope-from ) id 1Sfygo-0003SW-Pn for rsgb_lf_group@blacksheep.org; Sat, 16 Jun 2012 20:29:43 +0100 Received: from AGB ([2.26.28.207]) by mwinf5d20 with ME id P7Vh1j00B4U6hVe037VhDV; Sat, 16 Jun 2012 21:29:41 +0200 Message-ID: From: "Graham" To: Cc: "Gary - G4WGT" Date: Sat, 16 Jun 2012 20:29:41 +0100 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 X-Antivirus: avast! (VPS 120616-1, 16/06/2012), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.0 (/) 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: The ROS-MF 2/7 is a 100 Hz b/w MFSK transmission , and would fit into the top 200 Hz of the 477 band , with 50 Hz guard band , Opera / Band edge ? ROS MF Data mode is 100 Hz wide and based round 1500 Hz (Fixed) Audio frequency , MF-7 and MF-2 share the same 1500 Hz [...] Content analysis details: (0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.12.242.42 listed in list.dnswl.org] 0.0 HTML_MESSAGE BODY: HTML included in message X-Scan-Signature: 11963a33d604c33786d8f1de94ce267f Subject: LF: ROS MF Data mode QRG 477.400 ? usb-dial Content-Type: multipart/alternative; boundary="----=_NextPart_000_014F_01CD4BFE.C21317E0" 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_40_50,HTML_MESSAGE, MISSING_OUTLOOK_NAME,SUBJ_HAS_UNIQ_ID 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-SCOLL-SCORE: 0:2:244939152:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d4ad34fdcdee136a2 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_014F_01CD4BFE.C21317E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The ROS-MF 2/7 is a 100 Hz b/w MFSK transmission , and would = fit into the top 200 Hz of the 477 band , with 50 Hz guard = band , Opera / Band edge ? ROS MF Data mode is 100 Hz wide and based round 1500 Hz = (Fixed) Audio frequency , MF-7 and MF-2 share the same 1500 Hz=20 ROS data mode requires a conventional SSB tx / exciter (USB) = to translate the Tx drive audio , or can be used with a SDR = Tx=20 ROS MF-2 decodes at approx the same level as WSPR and is a = full live keyboard qso mode , MF-7 is approx 7 dB less sensitive = , but gives live qso mode , approx 14 dB lower s/n than psk31 at = similar data rate . >> = http://rosmodem.wordpress.com/2011/02/14/the-blue-ribbon-fastest-live-dat= a-to-cross-the-atlantic/ Note the Opera and Ros s/n readings are calibrated to the = sim-path propagation modelling software and are approx 6 / 7 = dB less than wspr or fldigi=20 Each system reports the Average s/n of the complete = transmission=20 73 -G.. ------=_NextPart_000_014F_01CD4BFE.C21317E0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
The ROS-MF 2/7 is  a   100=20 Hz  b/w   MFSK  transmission &nbs= p; ,=20 and  would  fit  into the  top  200 Hz of = the =20 477  band  , with   50 Hz  guard  = band  ,=20 Opera /  Band edge ?
 
ROS  MF  Data  mode  is  100 = Hz  =20 wide  and  based  round    1500 Hz =20 (Fixed)  Audio  frequency , MF-7  and  = MF-2  =20 share the  same   1500 Hz
 
ROS   data  mode  requires a  = conventional  =20 SSB    tx  / exciter  (USB)  to  = translate=20 the  Tx  drive  audio  , or  can be  = used =20 with a  SDR  Tx
 
ROS  MF-2   decodes  at approx  the =20 same  level  as  WSPR and is a  full  live=20 keyboard  qso  mode  , MF-7 is  approx   7 = dB=20 less  sensitive , but  gives live  qso mode  ,=20 approx   14 dB  lower s/n  than  psk31 at = similar =20 data  rate .
 
 >>  http://rosmodem.wordpress.com/2011/02/1= 4/the-blue-ribbon-fastest-live-data-to-cross-the-atlantic/
 
Note the  Opera and Ros   s/n   = readings =20 are  calibrated to the  sim-path   propagation  = modelling   software  and  are =20 approx    6 / 7  dB  less  than  wspr = or  fldigi
 
Each  system  reports  the  Average   = s/n   of the  complete   transmission
 
73 -G..
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