[aprssig] Xastir v2.0.0 has been released
Richard Seguin ve9it at rac.caMon Nov 8 18:09:04 UTC 2010
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Does anyone else have problems where Ubuntu (or maybe the kernel that it uses) cannot open a USB serial port? The problem is preventing me from running Xastir at the moment. On Wed, Oct 27, 2010 at 4:21 PM, Curt, WE7U <curt.we7u at gmail.com> wrote: > On Wed, 27 Oct 2010, Keith VE7GDH wrote: > > Actually, fixed stations (and anything that flies more than knap of the >> earth) >> shouldn't use WIDE1-1 at all. Only mobile stations should make use of >> fill-in digis. It would be pretty rare for a fixed station to not be able >> to >> hit a WIDEn-N digi, unless they are out in the boonies where there just >> isn't any coverage at all, and it would be pretty rare to have an IGate >> that >> couldn't hear, and be heard by, one or more WIDEn-N digis. Basically, >> fixed stations usually don't have power constraints and more than likely >> have better antennas than mobile stations, and they aren't dealing with >> fades and changing multi-path. >> >> Of course, the "rule" about fixed stations not using WIDE1-1 is more >> important when the station is on a hilltop, and even more important when >> they are surrounded with a bunch of fill-in digis. If they are on a >> hilltop >> there are a whole bunch of fill-in digis in the valleys around them, you >> are almost 100% guaranteed that they can hit the same WIDEn-N digis >> that the fill-in digis can hit. It is also more important in more >> populated >> areas where conserving bandwidth is more of an issue. >> > > Agreed. I used to live in a place where I had difficulty getting > out at all (in the mountains, at -450ft HAAT. Yes, that's a minus > sign). Depending on my propagation on 2m/220 and which > multipath/knife-edge diffraction was working for or against me at > that instant, I sometimes needed help to get out to the WIDEn-N > digis. Ordinarily that's not needed, so use WIDE2-2 for PATH 1. > > > -- > Curt, WE7U. <http://www.eskimo.com/~archer<http://www.eskimo.com/%7Earcher> > > > APRS: Where it's at! <http://www.xastir.org> > Lotto: A tax on people who are bad at math. - unknown > Windows: Microsoft's tax on computer illiterates. - WE7U. > The world DOES revolve around me: I picked the coordinate system!" > > _______________________________________________ > aprssig mailing list > aprssig at tapr.org > https://www.tapr.org/cgi-bin/mailman/listinfo/aprssig > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.tapr.org/pipermail/aprssig/attachments/20101108/52f7b545/attachment.htm>
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