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[aprssig] conveying map view

Bob Bruninga bruninga at usna.edu
Wed Sep 22 11:44:10 UTC 2004

On Tue, 21 Sep 2004, Curt Mills wrote:

> > that is, always center on a station sending PRIORITY or EMERGENCY.
> > Yes, its only part of what Wes asked for, but its trivial.
> And this works only for stations transmitting MIC-E format packets.
> Those are the only ones that can have Priority and Emergency status.

Yes, but most small trackers use the Mic-E protocol and those
are the folks (the mobiles and protables) that are in the situation
where they may need to identify their location that way.

I cant imagine all that  much application for someone in their
basement running 24/7 to want to cause everyone's map to focus on
them... thou Ham egos are a powerful incentive...

and any PIC/micro type device can do it also
if the author implements it.>
> > I would recomend that such auto-centering should also be combined with a
> > range scale setting of 16 miles if presently over that.  This seems to
> > match the high density on the East coast and make the "centered" station
> > visible amongst all the others..
> >
> > > Would we want a list of the map files to go across as well?  That
> > > could get very long/time-consuming across the air.
> >
> > No too much data.
> >
> > Id say a human readable format would be best.  Hence a message, hence
> > somehting like this in a message or bulletin or whatever:
> >
> >   "Pse view xxxxN/yyyyyW @range 16."
> >
> > I think to the nearest mile is adequate for this application...
> I'm starting to like the idea of posting an object of a certain
> format, rather than a message.  If it had a standard format, clients
> could pop up a dialog that would allow the user to set the center
> and zoom to match.  That should work quite well for events I would
> think.
> --
> Curt, WE7U.				archer at eskimo dot com
> http://www.eskimo.com/~archer
>   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!"
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de WB4APR at amsat.org, Bob

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