[aprssig] [aprsfi] VK4TEC pushing ADS-B data to APRS-IS

Andrew Pavlin spam8mybrain at yahoo.com
Wed Jul 20 19:26:33 EDT 2016

Whew! He apparently wasn't doing it with my program (the aprs.fi log shows UIView as the participating APRS program). But I think I'm going to check to confirm the ADS-B support in YAAC can't accidentally (or deliberately) be ported to APRS.
Andrew, KA2DDOauthor of YAAC ("Yet Another APRS Client")http://www.ka2ddo.org/ka2ddo/YAAC.html

      From: Curt Mills via aprssig <aprssig at tapr.org>
 To: Steve Dimse <steve at dimse.com>; TAPR APRS Mailing List <aprssig at tapr.org> 
 Sent: Wednesday, July 20, 2016 1:15 PM
 Subject: Re: [aprssig] [aprsfi] VK4TEC pushing ADS-B data to APRS-IS
Careful with the pitchforks. It may not have been intentional. Could have been a misconfiguration or a bug.

On Wed, Jul 20, 2016 at 10:13 AM, Steve Dimse via aprssig <aprssig at tapr.org> wrote:

> On Jul 20, 2016, at 9:42 AM, Heikki Hannikainen via aprssig <aprssig at tapr.org> wrote:
> It seems like Andrew VK4TEC has started to gateway ADS-B data to the APRS-IS.
> http://aprs.fi/?c=raw&limit=300&call=VK4TEC*&view=normal
> I do not think that this is a great idea - the APRS-IS is supposed to be a network for amateur radio communications, and quite a lot of people depend on it being just that.
I'll not be so kind. It was an absolutely idiotic idea.

I was just about to start tracking down something I saw in my monitoring graphs when I saw this thread. It represented roughly a 1/3 increase in traffic on the APRS IS, though it seems to have stopped now. You can get a good idea of how much data he was sending before shutting it down by this page at findU, showing the last 200 packets with timestamps, he was sending dozens a second, for hours!


A graph that shows what he did to the traffic volume is here


This graph includes CWOP traffic, so combined the baseline represents 30 - 40,000 users, and the bump is all one selfish user.

Andrew, don't ever send anything to the APRS IS that is not ham radio again. Please.

Steve K4HG

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Curt, WE7U
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