Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-mc04.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5EC84380000CB; Sat, 3 Sep 2011 09:26:44 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1QzqDd-0002PA-Q4 for rs_out_1@blacksheep.org; Sat, 03 Sep 2011 14:25:09 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1QzqDd-0002P1-9P for rsgb_lf_group@blacksheep.org; Sat, 03 Sep 2011 14:25:09 +0100 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 1QzqDb-0005hZ-SR for rsgb_lf_group@blacksheep.org; Sat, 03 Sep 2011 14:25:09 +0100 Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3536.me.freeserve.com (SMTP Server) with ESMTP id C8ACC1C00091 for ; Sat, 3 Sep 2011 15:25:01 +0200 (CEST) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf3536.me.freeserve.com (SMTP Server) with ESMTP id B9E7F1C00092 for ; Sat, 3 Sep 2011 15:25:01 +0200 (CEST) Received: from AGB (unknown [2.26.17.21]) by mwinf3536.me.freeserve.com (SMTP Server) with SMTP id 98D301C00091 for ; Sat, 3 Sep 2011 15:25:01 +0200 (CEST) X-ME-UUID: 20110903132501626.98D301C00091@mwinf3536.me.freeserve.com Message-ID: <8541E81E4E9B42328C0C104085530FFA@AGB> From: "Graham" To: References: <8343E1D319EE4CEFB7C9BD20AAF2BFFA@AGB> <20110903094755.3b78fb08@svr1> In-Reply-To: <20110903094755.3b78fb08@svr1> Date: Sat, 3 Sep 2011 14:25:01 +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 110902-1, 02/09/2011), Outbound message X-Antivirus-Status: Clean X-Spam-Score: 0.2 (/) X-Spam-Report: autolearn=disabled,RCVD_ILLEGAL_IP=0.234 Subject: Re: LF: My thoughts on ROS Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.1 required=5.0 tests=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-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:449188192:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d604c4e622b137dd4 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none Ok John Looking on 502-4 now .. what power are you running ? Do you have RX ? G. -------------------------------------------------- From: "John GM4SLV" Sent: Saturday, September 03, 2011 10:47 AM To: Subject: Re: LF: My thoughts on ROS > > On Sat, 3 Sep 2011 00:32:54 +0100 > "Graham" wrote: > >> Roger, All >> >> ROS HF /MF / Multi access ./ How did we get here ? >> > Graham, LF > > Thanks for the informative write up of the history of ROS. > > You've obviously delved a lot further into the mode than the rest of us. > > For a one-man operation it's a remarkable achievement and I'll keep an > eye on it's future developement. > > Perhaps I'm being hasty in announcing that I'll not use it again. > > Let me know when you're doing more tests with it and I'll see if I can > persist! > > In the meantime I've set up a repeating MFSK-4 mode beacon, using > "Fldigi" and it's running on 502.4 dial, with AF centre of 1kHz. It's > full daylight now, so I don't suspect anything will be received. > > MFSK-4 uses some of the same techniques as ROS, but I don't know how > different the performance will be on MF. > > Regards, > > John > > > >