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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>I regularly do events with vehicles on fixed timing at 1 minute intervals, with 5 seconds between each (=12 mobiles).<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>We don’t use 144.800 (way too much traffic being generated!), instead setting up our own system with digi’s placed in the best locations for the event, and gating the information to APRS-IS servers for wider viewing.<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>That is with cars, if tracking bicycles perhaps 2 minutes would still give you a reasonable update (assuming 15kmh, that’s a beacon every 500m).<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Jim<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'> <o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> aprssig <aprssig-bounces@lists.tapr.org> <b>On Behalf Of </b>KENT HUFFORD<br><b>Sent:</b> 08 March 2019 20:24<br><b>To:</b> 'Randy Love' <rlove31@gmail.com>; 'Lynn W Deffenbaugh (Mr)' <KJ4ERJ@arrl.net><br><b>Cc:</b> aprssig@lists.tapr.org<br><b>Subject:</b> Re: [aprssig] SmartBeaconing for Bicycle mobile<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>I did an event a few years ago with 5 ambulances and APRS trackers at 1min. intervals. That turned out to be a real mess. 1 min was way too often unless you are trying to target the object with missiles. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Kent<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>KQ4KK<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> aprssig <<a href="mailto:aprssig-bounces@lists.tapr.org">aprssig-bounces@lists.tapr.org</a>> <b>On Behalf Of </b>Randy Love<br><b>Sent:</b> Friday, March 8, 2019 3:12 PM<br><b>To:</b> Lynn W Deffenbaugh (Mr) <<a href="mailto:KJ4ERJ@arrl.net">KJ4ERJ@arrl.net</a>><br><b>Cc:</b> <a href="mailto:aprssig@lists.tapr.org">aprssig@lists.tapr.org</a><br><b>Subject:</b> Re: [aprssig] SmartBeaconing for Bicycle mobile<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>Might I suggest that you use a 5:1 ratio?<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>5 mins @ 2 mph with 1 min @ 10 mph?<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Theoretically that would update at the same delta distance between the speeds, making the track more 'regular', so to speak.<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>(almost like making the reports based on distance change instead of elapsed time)<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>Randy<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>WF5X<o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=EN-US>On Fri, Mar 8, 2019 at 2:44 PM Lynn W Deffenbaugh (Mr) <<a href="mailto:KJ4ERJ@arrl.net">KJ4ERJ@arrl.net</a>> wrote:<o:p></o:p></span></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal><span lang=EN-US>Thank you. I'll try 2mph @ 2 minutes and 10mph @ 1 minute tomorrow and <br>see how it works out. We're not in a very busy APRS environment here, <br>so the 1 and 2 minutes shouldn't be a burden. Especially not coming <br>from a 5w HT.<br><br>Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32<br><br>On 3/8/2019 10:20 AM, Joe Della Barba wrote:<br>> You need to change the settings. I would use about 2 as slow and 10 as <br>> fast.<br>><br>> How often slow and fast beacon is another setting too and that is <br>> where you keep it from overloading the network. I think for my boat 2 <br>> was slow and 4 fast. For the airplane tracker it was more like 20 and <br>> 100 and a path change once altitude was > 1000 feet. Below 1,000 it <br>> was WIDE2-2 and above 1000 no path at all.<br>><br>> 73<br>><br>> N3HGB<br>><br>> On 3/7/2019 8:06 PM, Lynn W Deffenbaugh (Mr) wrote:<br>>> Does anyone have experience with efficient SmartBeaconing parameters <br>>> for bicycle mobile operation? I'm looking to configure my D74 to <br>>> provide an accurately updating location without overloading the local <br>>> frequency too much. I really like SmartBeaconing, but the the 10-70 <br>>> mph slow and fast speeds just don't cut it for a bicycle!<br>>><br>>> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32<br>>><br>>> PS. Don't look at KJ4ERJ-4's raw packets as I was doing a local test <br>>> of a pole mounted antenna with 30 second beaconing this afternoon!<br>>><br>>><br>>><br>>> _______________________________________________<br>>> aprssig mailing list<br>>> <a href="mailto:aprssig@lists.tapr.org" target="_blank">aprssig@lists.tapr.org</a><br>>> <a href="http://lists.tapr.org/mailman/listinfo/aprssig_lists.tapr.org" target="_blank">http://lists.tapr.org/mailman/listinfo/aprssig_lists.tapr.org</a><br>><br>> _______________________________________________<br>> aprssig mailing list<br>> <a href="mailto:aprssig@lists.tapr.org" target="_blank">aprssig@lists.tapr.org</a><br>> <a href="http://lists.tapr.org/mailman/listinfo/aprssig_lists.tapr.org" target="_blank">http://lists.tapr.org/mailman/listinfo/aprssig_lists.tapr.org</a><br><br><br><br>_______________________________________________<br>aprssig mailing list<br><a href="mailto:aprssig@lists.tapr.org" target="_blank">aprssig@lists.tapr.org</a><br><a href="http://lists.tapr.org/mailman/listinfo/aprssig_lists.tapr.org" target="_blank">http://lists.tapr.org/mailman/listinfo/aprssig_lists.tapr.org</a><o:p></o:p></span></p></blockquote></div></div></body></html>