[OZAPRS] Strange APRS packets

Gmail vk2jma at gmail.com
Mon Dec 26 17:34:36 EST 2011

We've had the same issues down here in Tamworth, the errors we're seeing are,
Rate to fast
Duplicate positions
Packets out of order
I'd taken down one of the igates out this way (jma-5) believing we my be introducing the errors. It seems from your post it maybe something further up stream or someone else has duplicated our setup?  I saw it again late Saturday but as I was playing with Santa-9 I again dismissed it as a locally caused issue, and in part (the rate limiting) is was. The packets out of order & duplicates however, again I can't explain. 

Sent from my iPhone with my fat fingers. 

On 26/12/2011, at 2:14 PM, David Hopkins <davhop at bigpond.net.au> wrote:

> Gentlemen,
> Anyone else noticed strange behavior on the APRS system here,
> Have a look at the raw packets on VK4zf-9 on aprs.fi
> At first I thoughht there was something wrong with the setup in this car.
> However if you look at vk4zf-7, it has the same problem.This is a completely different car and radio.
> I have noticed it also on other mobiles.
> If you watch the tracks on aprs.fi the positions are all over the place.
> What is going on?
> David
> David G. Hopkins (VK4ZF)
> 27.32.38S 153.12.03E
> QG62OL
> Skype :- davhop 
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