RB 2009 software MAP question

MW0CVW · April 19, 2009, 01:51:38 PM

Hi

Please can someone advise,what the purple line is,this appears to be around the equator on my world map and sometimes in other locations.

Could this be a aircraft trail,seems rather long in my opinion.?

Thanks

Paul MW0CVW

NOT FAR EGGP

AirNav Support · April 19, 2009, 01:57:49 PM

It is an aircraft trail, a few rare aircraft send out wrong positions momentarily (or deliberately) and this can means the aircraft jumps 1000s of miles and causes these lines.

EGNXR · April 19, 2009, 02:40:08 PM

Hi Paul,

You might want to look at this thread on purple rain

http://www.airnavsystems.com/forum/index.php?topic=671.0

HTH cheers John

MW0CVW · April 19, 2009, 04:24:44 PM

John,Airnav support.

Thanks for the confirmation,much appreciated.

The links where very useful in confirming what the Purple trails where (Rain).

Nice to see a forum and technical support being so active.

Kind Regards

Paul MW0CVW

Near EGGP/EGNR welsh border

kdt1 · April 19, 2009, 05:08:51 PM

(or deliberately) I think that would be a big No No.

RodBearden · April 19, 2009, 05:23:30 PM

But it's odd that it's mainly bizjets that do it, rarely if ever, larger airliners. Perhaps just different equipment?

Rod

kdt1 · April 19, 2009, 05:26:31 PM

I think your right.

kdt1 · April 19, 2009, 06:35:48 PM

KAL

RodBearden · April 19, 2009, 08:43:08 PM

Great pic!

So much for my theory - still rare, though!

Rod

kdt1 · April 19, 2009, 09:25:12 PM

I have both Programs running RB and SBS, Screen shots of same Aircraft seconds apart.
N2CC

You tell me.

AirNav Support · April 19, 2009, 10:37:04 PM

Interesting, I am not sure whether they both are to scale but it seems like where the SBS does not pick up the aircraft (i.e where there is gaps in the line) the RB shows a position (however we know its not correct)

As mentioned before in a few other threads we haven't found anything wrong with our decoding algorithm yet but these kind of details help to determine what its happening.

kdt1 · April 21, 2009, 02:39:08 PM

Support,

So why is RB showing jumps and SBS is not?

kdt1 · April 22, 2009, 04:05:52 PM

Support,

Would you kindly take a crack at the above question.

AirNav Support · April 22, 2009, 05:02:13 PM

As we have mentioned we are unsure, where it jumps on the RB there is no position logged on the SBS. Without hacking the SBS firmware and working out what its doing we can't see. However in intial tests when this issue was first brought to light was that the decoded bits did give a position which was a long way away but nothing to indicate it was bug.

Of course the more information we can gather the better we can trace it down.

kdt1 · April 22, 2009, 05:41:51 PM

Maybe my RB is broken. Think that might be a possibility?