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[aprssig] Re: [CA APRS] Re: Puzzled

Bob Bruninga bruninga at usna.edu
Tue Sep 21 23:06:57 UTC 2004


On Tue, 21 Sep 2004, Scott Miller wrote:

> KK6T>APRS,N6EX-4*,WIDE2-2,qAr,KG6JVE:!3340.74n/11758.93W- kk6t at pacbell.net
> KK6T>APRS,W6JPL-2,WIDE2-2,qAO,AD6NH:!3340.74n/11758.93W- kk6t at pacbell.net
>
> My guess is the lowercase 'n' in the position.  Should be uppercase.

APRS programs are supposed to be tolerant of both cases for the
N/S byte.  Hence a few years ago it was prposed that the case of
that byte could be used to convey user (human) activity at the
keyboard or mouse in the last 10 minutes.  It is a way for APRS
stations to quickly sort out what is a "lights-on-nobody-home"
station from one that actualy has a human at the computer doing
something.  We felt that too much of APRS is just 24/7 with no
humans, so we need a way to tell who is really participating
in the event...

This was proposed for APRS a year or so ago and some APRS programs
have implemented it since all programs are supposed to be indifferent to
case in that byte anway.  Thus it should be fully backwards compatible.

But maybe we have found somne applications that are not
intolerant to that byte?

Bob
>
> Scott
> N1VG
> ----- Original Message -----
> From: "kk6t" <kk6t at pacbell.net>
> To: "Multiple recipients of aprs" <aprs at lists.csumb.edu>
> Sent: Tuesday, September 21, 2004 3:02 PM
> Subject: [CA APRS] Puzzled
>
>
> > I've recently pulled my old KPC-3 out of mothballs and put it into
> > service at my  house for APRS.
> >
> > I'm showing up just fine on findu.com & aprsworld.com but I'm not
> > showing up on either aprs program (uiview32 or aprs+SA).  Could
> > someone please advise as to what I'm doing wrong.
> >
> > I'm using KK6T with no SSID.
> >
> > 73 de Terry KK6T
> >
> > ---
> >
> > MAILING LIST:  California APRS Users
> > PARTICIPATE:   aprs at lists.csumb.edu
> > SUBSCRIBE:     aprs.subscribe at lists.csumb.edu
> > UNSUBSCRIBE:   aprs.unsubscribe at lists.csumb.edu
> > ARCHIVE:       http://groups.yahoo.com/group/ca-aprs
> > MORE INFO:     aprs.info at lists.csumb.edu
> >                Cap ke6afe at arrl.net (general)
> >                Greg wh6dt at amsat.org (technical)
> >
> >
> >
> ---
>
> MAILING LIST:  California APRS Users
> PARTICIPATE:   aprs at lists.csumb.edu
> SUBSCRIBE:     aprs.subscribe at lists.csumb.edu
> UNSUBSCRIBE:   aprs.unsubscribe at lists.csumb.edu
> ARCHIVE:       http://groups.yahoo.com/group/ca-aprs
> MORE INFO:     aprs.info at lists.csumb.edu
>                Cap ke6afe at arrl.net (general)
>                Greg wh6dt at amsat.org (technical)
>
>
>

de WB4APR at amsat.org, Bob

PCsat WEB  page     http://www.ew.usna.edu/~bruninga/pcsat.html
ISS-APRS FAQ:       http://www.ew.usna.edu/~bruninga/iss-faq.html
CUBESAT Designs     http://www.ew.usna.edu/~bruninga/cubesat.html
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APRS SATELLITES     http://www.ew.usna.edu/~bruninga/astars.html
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