[aprssig] A test for APRS in some lessor traveled Western areas
Tom Smith tom at halibut.comSat Sep 8 19:56:53 UTC 2007
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My concern is the mountain top digis having internet access. I'll do a test: WIDE3-1 out and WIDE2-1 back in Nevada and Utah. Tom Smith KD6SOJ ----- Original Message ----- From: "Cap Pennell" <cap at cruzio.com> To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org> Sent: 09/08/2007 10:21 AM Subject: RE: [aprssig] A test for APRS in some lessor traveled Western areas > You guys could _really_ benefit from _another_ careful read-through of > http://web.ew.usna.edu/~bruninga/aprs/fix14439.html > and the links from that page. > > Best bet: WIDE1-1,WIDE2-1 mobile; WIDE2-2 (or less) fixed or base. Three > (or more) hops in all directions is not the answer for courtesy, nor rarely > much help for vanity. > > In remote areas the trick is mostly getting packets from your station into > _the first_ digi called for in your digipath. Broader digipaths don't help > there. Many areas are far less "remote" than a visitor's first impression > might indicate. High mountains often have digis on top providing access > from a vast area. > > A fill-in digi only operates packets addressed to WIDE1-1. The other digis > will operate packets addressed to WIDE1-1 or WIDE2-2 or WIDE2-1 or WIDE3-1 > (while inserting their callsign in the path's "history"). This is the "New > Paradigm", traceable WIDEn-N. RELAY and WIDE and TRACE and TRACEn-N are > completely obsolete (pass it on). > > Many digis will give only one hop to any WIDE3-N address (that is, WIDE3-3 > or WIDE3-2 or WIDE3-1). They operate/digipeat the packet while adjusting > the path so there will be no further hops ("trapping" the excess hops). > Still, any modern high "S overlay" digi will give WIDE2-1 or WIDE3-1 (or > WIDE1-1) the same one hop. > > Confused about any of this stuff at all? Then use WIDE1-1,WIDE2-1 mobile; > WIDE2-2 (or less) fixed or base. Transmit only as frequently as your > intended "audience" requires to fulfill their objectives. > > (And please don't even consider putting up any new digipeater at all until > your confusion is all gone and you've had full discussions about the VHF > network's _needs_ with all the operators of existing digipeaters in your > network/region). > 73, Cap KE6AFE >
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