[SPAM] Re: [aprssig] AIS on APRS maps
vk4tec at people.net.au
Sun Apr 27 10:02:36 CDT 2008
Thats pretty kewl
The google earth bit.
We could start a global google earth server
You feed into a MySQL database positions, wether it is AIS ADS-B APRS
And then a cgi calls a kml for google
----- Original Message -----
From: "Heikki Hannikainen" <hessu at hes.iki.fi>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Monday, April 28, 2008 12:56 AM
Subject: [SPAM] Re: [aprssig] AIS on APRS maps
> On Sat, 26 Apr 2008, Kai Gunter Brandt wrote:
>> joe at dellabarba.com skrev:
>>> On my boat I have APRS and AIS.
>>> Is there anything to convert the AIS data to APRS data and would anyone
>>> want to see it if there was?
>> aprs.he.fi is displaying AIS but i think this is a seperate stream on the
>> sql servers.
> Yup, a good bunch of people running ShipPlotter
> (http://www.coaa.co.uk/shipplotter.htm) are feeding data to
> http://aprs.fi/ - see http://aprs.fi/page/ais_sites for a list. But the
> data is not converted to APRS format as such, it is simply fed to the
> database backend. I don't see much point in converting it to APRS format,
> since there's a lot of additional information in there (ship dimensions,
> MMSI/IMO numbers, vessel classes, heading and course separately...) which
> cannot be put into APRS packets without using custom fields.
> It's useful for SAR folks to have them on the same map, though. A lot of
> volunteer search-and-rescue boats have APRS trackers on them here, they're
> cheaper than AIS gear anyway. They've got amateur licences for automatic
> digipeater stations, and they're installed and maintained by hams.
> The APRS tracker used by the boats can also output APRS positions sent
> by other SAR APRS trackers as NMEA sentences on the serial port. AIS
> receivers can do the same, and a mapping application or a radar display
> can then plot all of the data on the same display in the boat.
> PS. There's also a Google Earth interface on aprs.fi - install Google
> Earth from earth.google.com and click on the 'Google Earth KML' link on
> aprs.fi to get a live APRS overlay without installing additional software.
> Drop me an email, if you have a spare VHF FM receiver with a
> discriminator output (9600 bit/s GMSK capable) and would like to feed data
> from your ShipPlotter installation to aprs.fi. Thanks!
> - Hessu, OH7LZB
> aprssig mailing list
> aprssig at lists.tapr.org
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