[Xastir] New script: ads-b.pl for snagging airplane positions

[Brian Heaton]

If multiple stations in an area setup the feed, will duplicate objects be
created? I think the answer is yes, but am not 100% sure.

73-KY9K/Brian
On Feb 18, 2016 12:24 PM, "Curt Mills" <curt.we7u at gmail.com> wrote:

> Nice. Sounds like a fun project!
>
> All planes are required to have ADS-B transmitters (known as ADS-B OUT) by
> 2020 if they fly above 2500' (that height is probably U.S.-specific).
>
> Those that fly above 18k or outside the U.S. must have the 1090 MHz
> frequency. In the U.S. if you fly above 2500' but below 18k, you can use
> the 978 MHz frequency.
>
> I live and work near a county airport and have seen transmissions on both
> frequencies, but most is on 1090. I have dump978 attached to dump1090 port
> 30001 and sending packets into it, but don't know yet whether dump1090
> combines that input with its own when it sends decoded messages to port
> 30003, the port I'm pulling from. It does say that it combines them on port
> 30002, but that's the binary output port and I don't currently decode that.
>
> To test 978 I need to bring up dump1090 w/o any hardware, then use dump978
> w/hardware to send to dump1090 and see if I get anything out with my
> script. Been having too much fun listening on the 1090 frequency and don't
> want to stop long enough for that test! Particularly since the 978 packets
> are much less frequent. If anyone else tries this, let me know what you
> find out.
>
>
> On Thu, Feb 18, 2016 at 12:02 PM, Jason KG4WSV <kg4wsv at gmail.com> wrote:
>
> > On Thu, Feb 18, 2016 at 1:15 PM, Curt Mills <curt.we7u at gmail.com> wrote:
> >
> > > I added a new script today called "ads-b.pl".
> > >
> >
> > Cool! I'm getting my rocket tracking beagle bone black ground station
> > going, and this would be a nifty add-on.  Our waiver is to 24k', and it
> > will be interesting to see what goes on up there.
> >
> >
> > Thanks Curt!
> >
> > -Jason
> > kg4wsv
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> >
>
>
>
> --
> Curt, WE7U
> http://wetnet.net/~we7u
> http://www.sarguydigital.com
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