The group that I work with on most events uses a variety of APRS clients. We
have UI-View, Xastir, WinAPRS, APRS+SA and AGWTracker. Developing maps (and
getting them e-mailed before the event) is a painful task, especially when the
maps change at the last minute. If I had a way to transmit the maps, then
anyone interested could see them regardless of which APRS client they are
using and without any need to send them via another route before the event.
As far as the assign tactical calls goes, I do use that feature from
time-to-time. I'd really like to see an extension to APRS that would allow
that information to be transmitted as well - I think the NCS station should be
assigning tactical calls and sharing that information with others in the
field.
I've done a bit of playing with Tom's code, thus far, I've encountered a
problem such that if I give the following 3 points
Latitude Longitude
N35.000000 W083.000000
N34.000000 W084.000000
N33.000000 W085.000000
I would expect a line from upper right to lower left, but the code generates a
line from upper left to lower right, so there's a problem somewhere.
--
William McKeehan
KI4HDU
http://mckeehan.homeip.net
Follow me on twitter http://twitter.com/mckeehan
On Tue, May 20, 2008 2:25 pm, Bob Donnell wrote:
> If you don't have time to put Tom's method to work, you could think about
> what I do for the Seattle Marathon route: I took a bitmap copy of the
> Marathon map, added the georeference information to a .geo file for it, and
> set Xastir up to load it "above" my usual underlying map, USGS topo's. To
> add/replace the street level data, then Xastir then loads the Tiger
> shapefile street maps. I turn street names on and off as needed. Of course
> you would need to distribute the bit map and georeferencing file to each of
> the display computers, but if the route is too complicated to send over the
> air, or there isn't enough time to make up the needed multipoint multiline
> object entries, this could get you going more quickly, and possibly more
> reliably. I've also done something like this for some of the bicycle rides
> I support, for my in-vehicle tracker, so that I stay on route, even when
> driving it in reverse.
>
> I also use the "Assign Tactical Call" button on the station info window to
> translate the amateur station callsigns into meaningful tactical identifiers
> for my operation. Using the tactical identifiers means that you don't have
> to convince folks to reprogram trackers that are already working fine, and
> you don't have to take the chance that a mistake in reconfiguration puts
> that tracker off the air.
>
> Hope that's food for thought.
>
> 73, Bob, KD7NM
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
> Of William McKeehan
> Sent: Friday, May 16, 2008 11:10 AM
> To: xastir@xastir.org
> Subject: [Xastir] Transmit Shapefile ?
>
> If my memory is correct, there is some method to send area "shapes" with
> APRS.
> I've got it in my mind that firenet sends something like this for weather
> data.
>
> I was wondering, is it possible to use similar techniques to transmit a
> shapefile? Specifically, I have a bicycle route for an upcoming event that I
> would like to share with others via APRS. Is this possible?
> --
> William McKeehan
> KI4HDU
> http://mckeehan.homeip.net
> Follow me on twitter http://twitter.com/mckeehan
>
>
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