[aprssig] Was ADS-B to APRS Server NOW AIS to APRS

Andrew Rich vk4tec at people.net.au
Sat Apr 26 18:31:40 EDT 2008

I did an experiment.

I fed APRS and ADS-B into a mysql table.

You then connect to a server that dishes up the data every x seconds.

Works like a charm.

No cross connect mind you, but the proof of concept worked.

----- Original Message ----- 
From: "Pete Loveall AE5PL Lists" <hamlists at ametx.com>
To: "TAPR APRS Mailing List" <aprssig at lists.tapr.org>
Sent: Sunday, April 27, 2008 3:27 AM
Subject: RE: [aprssig] Was ADS-B to APRS Server NOW AIS to APRS

But we do get cross-connections and that is an issue.  Even Xastir has, at 
different points in time, had issues with data coming in one feed and going 
out another.

FireNet will have a feed from the CWOP servers (if it doesn't already). 
And, as I pointed out before, if you connect to FireNet, you have APRS-IS 
bi-directionally so there is no need to connect to both (and, in fact, it is 
potentially detrimental).  As far as simultaneously connecting to other 
non-APRS-IS subnets, yes this does limit you.  But if the other option is 
what we have been cleaning up for the last 10 years (a spider web of 
multiple connections introducing bad data into APRS-IS), then I put forth 
that it is better to limit the number of connections that a client makes to 
prevent abuses of the servers and minimize bad data on APRS-IS.


Pete Loveall AE5PL
pete at ae5pl dot net

> -----Original Message-----
> From: Jason KG4WSV
> Sent: Saturday, April 26, 2008 12:04 PM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] Was ADS-B to APRS Server NOW AIS to APRS
> I maintain, however, that an APRS client that can't connect to more
> than one server is quite limited.  Maybe I want to connect to APRS-IS,
> the CWOP net, Firenet, and Andrew's new server - there are no
> redundancies in the data, no loops, and unless I as an operator or the
> author of my application do something wrong, no cross-connection of
> feeds.

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