[aprssig] Digi handling of WIDEn-N packets
Stephen H. Smith wa8lmf2 at aol.comSun Aug 21 02:30:03 UTC 2005
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pagreen at gmail.com wrote: >Hi All, > > I noticed that I when I stopped using Xastir as a digi and let >Digi_ned do it that the WIDE1-1 packets are call substituted AND >WIDE1* added whereas before the call was substituted only with no >WIDE1. I want to know if there something special on why the UIDIGI >and DIGI_NED flavors and possibly the stand alone KPC3's use the path >of digicall,wide1* to complete the digipeat. It makes the packet >longer if I can omit it. Is this a part of the UIFLOOD spec? > >73 de Pat --- KA9SCF. > > This is what WIDEn-N is supposed to do -- the first digi to process the N-n sequence is supposed to insert it's own call AS WELL AS decrementing the n-N. No further digis farther down the n-N chain should do this. The intent is to allow users several hops away to know the general location that the packet originated from. [ Obviously a position packet would already have this info, but a status or telemetry packet might not. ] Stephen H. Smith wa8lmf (at) aol.com EchoLink Node: 14400 [Think bottom of the 2M band] Home Page: http://wa8lmf.com "APRS 101" Explanation of APRS Path Selection & Digipeating http://webs.lanset.com/wa8lmf/DigiPaths Updated APRS Symbol Chart http://webs.lanset.com/wa8lmf/miscinfo/APRS_Symbol_Chart.pdf New/Updated "Rev G" APRS http://webs.lanset.com/wa8lmf/aprs Symbols Set for UI-View, UIpoint and APRSplus:
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