On 12/03/13 18:48, James Turner wrote:
On 12 Mar 2013, at 17:55, Stuart Buchanan <stuar...@gmail.com
<mailto:stuar...@gmail.com>> wrote:
Now the comments at the beginning of coremag.cxx imply that the module
originally implemented
wmm2000 and was updated by Wim Van Hoydonck
(wim.van.hoydo...@gmail.com <mailto:wim.van.hoydo...@gmail.com>) to
wmm2005.
The current version is now wmm2010, and I wonder if simgear has been
updated to reflect this?
Could this account for my heading discrepancy at EGPF?
Probably not. It's more likely that the magnetic variation has
simply changed
since the runway number was set, as it varies over time.
However, it probably wouldn't do any harm to update our model - the
model is supposed to model the physical earth, and navigation data /
charts *do* get out of sync with that - so as far as I can see,
updating to a more accurate model shouldn't break anything.
If you want to cook up a merge request, I'll apply it. We have time to
back it out if the universe explodes :)
James
Thanks, for the response.
I'm not at all sure if I possess the requisite skills, but being
recently retired. I sure have the time.
I will try and look into this a little further.
Alasdair
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