<div dir="ltr"><div dir="ltr"><div><div><div><div>To answer the question in the link as to what established the packet lengths in APRS, it is simple.<br></div>The 80 character line display in APRSdos. Each packt type had some abbreviated overhead as well, so the actual payload info was then limited to what was left on the 80 character line.<br><br></div>Then came the Kenwood APRS radios. And with tens of thousands of them out there, then, sending packets longer than the standard gives tens of thousands of users truncated displays and a breakdown in communications.<br><br></div>Besides, short packets in a collision based network have far better probabilities of success.<br><br></div>Bob<br><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Mar 7, 2020 at 7:43 PM John Gorkos <<a href="mailto:jgorkos@gmail.com">jgorkos@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">Please review this treatise on packet lengths inside APRS:<div dir="auto"><a href="http://lists.tapr.org/pipermail/aprssig_lists.tapr.org/2016-November/046312.html" target="_blank">http://lists.tapr.org/pipermail/aprssig_lists.tapr.org/2016-November/046312.html</a><br></div><div dir="auto"></div></div></blockquote><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto"><div dir="auto">de AB0OO</div><div dir="auto">John Gorkos</div></div><br><br>
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