Return-Path: Received: (qmail 5078 invoked from network); 20 Mar 2001 18:06:43 -0000 Received: from unknown (HELO warrior-inbound.servers.plus.net) (212.159.14.227) by excalibur.plus.net with SMTP; 20 Mar 2001 18:06:43 -0000 Received: (qmail 4006 invoked from network); 20 Mar 2001 18:06:42 -0000 Received: from unknown (HELO post.thorcom.com) (212.172.148.70) by warrior with SMTP; 20 Mar 2001 18:06:42 -0000 Received: from majordom by post.thorcom.com with local (Exim 3.16 #2) id 14fQSu-0003wN-00 for rsgb_lf_group-outgoing@blacksheep.org; Tue, 20 Mar 2001 18:02:40 +0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from jubilee.ns.sympatico.ca ([142.177.1.6] helo=mail-ns00s0.ns.sympatico.ca) by post.thorcom.com with esmtp (Exim 3.16 #2) id 14fQSs-0003wI-00 for rsgb_lf_group@blacksheep.org; Tue, 20 Mar 2001 18:02:39 +0000 Received: from ns.sympatico.ca ([142.177.83.10]) by mail-ns00s0.ns.sympatico.ca (Post.Office MTA v3.5.3 release 223 ID# 0-68925U141000L141000S0V35) with ESMTP id ca for ; Tue, 20 Mar 2001 14:01:08 -0400 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Message-ID: <3AB80F90.68E62ECE@ns.sympatico.ca> Date: Tue, 20 Mar 2001 18:18:58 -0800 From: "John Currie" X-Mailer: Mozilla 4.73 [en] (Win95; U) X-Accept-Language: en,pdf MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: Re: Re: DFCW References: <3.0.1.16.20010320155747.2b1f164c@mail.cc.kuleuven.ac.be> <3AB7787E.B8F6AD37@usa.net> <003501c0b157$80775830$0a00a8c0@ThreeLakes.ca> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Sender: What the heck is a mudball/ John VE1ZJ Larry Kayser wrote: > Greetings All: > > > > 3. If Alberto could adapt ARGO and let the 'time markers' also appear on > > > exact multiples of 30 seconds (or 1 minute etc..) and eventually replace > > > the 'time ticks' at the bottom by thin vertical lines (over the entire > > > window) then the RX would also have the required 'time synchronisation' > : > > > 'key up' or 'key down' of the TX would be at the same time when a 'time > > > marker' appears on the ARGO screen. > > Well if your going this far why not ad real time as an optional alternative? > Connect the INVERTED 1 PPS output from a GPS receiver to the RI line in > RS232 and use the RI interrupt to make the timing coherent to a rather > excellent and free standard available everywhere on this mudball. > > RI (Ring Indicate) is available on dB-25 Pin 22, and DB-9 Pin 9. > > Larry > VA3LK