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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:black'>Gentlemen;<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>I just finished running the Edge of Space Sciences weekly net and we had some discussion regarding the timing errors were seeing on packet passed into the APRS system. We at EOSS have believed, as many of you, that the problem involved the Kantranics KPC3+ running KISS. Now there’s nothing to say that there ISN’T a problem with the KPC3+/KISS mode, but the errors were traced to an Igate who was running a Kenwood D700 into a computer running UI-View. No KPC3+ involved at all. His packets were being delayed by 2 to 10 minutes. Russ, KB0TVJ, has done some analysis on the timing, so I’ll like him explain that.<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>But it seem the packet delays are due to something that is happening with KPC3+ and now the internal TNC in the Kenwood D710, or something common to both, or something altogether different.<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>Just sayin’…..<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>Larry K0ANI<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> aprssig-bounces@tapr.org [mailto:aprssig-bounces@tapr.org] <b>On Behalf Of </b>Wes Johnston, AI4PX<br><b>Sent:</b> Tuesday, March 15, 2011 5:20 PM<br><b>To:</b> TAPR APRS Mailing List<br><b>Subject:</b> Re: [aprssig] KPC3+ induced errors<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>I'm thinking.... audio loopback on a kpc3plus (audio port pins 1&5). use a super simple basic program to send it 80 characters plus the date/time. Have basic program log the time the packet was received and if the difference is >1s flag it. Count how many bytes until delay starts. profit. Oh wait, this isn't slashdot.<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all>Wes <o:p></o:p></p></div><div><p class=MsoNormal>---<br>The world needs more geniuses with humility because there are so few of us left.<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><br><br><o:p></o:p></p><div><p class=MsoNormal>On Tue, Mar 15, 2011 at 17:55, Keith VE7GDH <<a href="mailto:ve7gdh@rac.ca">ve7gdh@rac.ca</a>> wrote:<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Max KG4PID wrote...<o:p></o:p></p><p class=MsoNormal>This is the response that I just received back for Kantronics...<o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><br> >>No one has reported having any problems in KISS mode<br> >> in the KPC-3 Plus, anytime recently (in the last few years).<o:p></o:p></p></div><p class=MsoNormal>Guess they aren't counting the messages that I sent to them a year or two back.<br>It sounds like the "ostrich" approach. If they keep their head in the sand, they<br>won't hear any of the complaints. Thanks for taking the initiative. It seems like<br>maybe they will finally pull their head out of the sand. <o:p></o:p></p><div><div><p class=MsoNormal><br><br>73 es cul - Keith VE7GDH<br>--<br>"I may be lost, but I know exactly where I am!"<br><br>_______________________________________________<br>aprssig mailing list<br><a href="mailto:aprssig@tapr.org" target="_blank">aprssig@tapr.org</a><br><a href="https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig" target="_blank">https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig</a><o:p></o:p></p></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>