Waveform To: [email protected] References: <[email protected]> From: "Lynn W. Taylor, WB6UUT" <[email protected]> Message-ID: <[email protected]> Date: Mon, 14 Sep 2015 12:16:41 -0700 User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <[email protected]> Content-Type: multipart/alternative; boundary="------------060809070606000101030600"
This is a multi-part message in MIME format. --------------060809070606000101030600 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Interesting to note that none of the waveforms in the article cited are the traditional "plus" display. The plus display comes from taking the mark filter and putting it on the "x" axis, and the space filter on "y" and looking at the picture. Since the mark filter and space filter are in the demodulator, and as someone else observed really speak to how closely you're tuned to the received signal, that just doesn't seem useful. The spectrum graphs might be. 73 -- Lynn On 9/14/2015 11:55 AM, Luis V. Romero wrote: > However, I can't monitor other issues that can rear their ugly heads in > RTTY, be it modulated by FSK or AFSK with the existing functionality > available: The reason I was looking for a better visual representation of > these issues in this tool is explained in an excellent article by Andy > Flowers, K0SM. > > > > http://frontiernet.net/~aflowers/k3rtty/k3rtty.html --------------060809070606000101030600 Content-Type: text/html; charset=windows-1252 Content-Transfer-Encoding: 8bit <html> <head> <meta content="text/html; charset=windows-1252" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> <div class="moz-cite-prefix">Interesting to note that none of the waveforms in the article cited are the traditional "plus" display.<br> <br> The plus display comes from taking the mark filter and putting it on the "x" axis, and the space filter on "y" and looking at the picture. <br> <br> Since the mark filter and space filter are in the demodulator, and as someone else observed really speak to how closely you're tuned to the received signal, that just doesn't seem useful.<br> <br> The spectrum graphs might be.<br> <br> 73 -- Lynn<br> <br> On 9/14/2015 11:55 AM, Luis V. Romero wrote:<br> </div> <blockquote cite="mid:[email protected]" type="cite"> <pre wrap="">However, I can't monitor other issues that can rear their ugly heads in RTTY, be it modulated by FSK or AFSK with the existing functionality available: The reason I was looking for a better visual representation of these issues in this tool is explained in an excellent article by Andy Flowers, K0SM. <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://frontiernet.net/%7Eaflowers/k3rtty/k3rtty.html";>http://frontiernet.net/~aflowers/k3rtty/k3rtty.html</a></pre> </blockquote> <br> </body> </html> --------------060809070606000101030600--
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