On 10 Sep 2009, at 00:00, Tim Moore wrote:
There are a lot of changes to navradio.[ch]xx, but you and James are in heated discussion, so I'm not touching that.
Since I'm now official maintainer of the nav-radio (it's a rare honour), and feel a bit more comfortable with the code, I had a go at adapting one of the sport-model patches to current trunk. I haven't taken all the pieces, just a self-contained chunk that mostly makes sense to me.
Here's the patch:
jd-loc-gs-fixes.patch
Description: Binary data
It adds false LOC and GS signals, a better GS deviation computation, and LOC sensitivity based on the runway dimensions. The last part I'm not totally sure about - it makes localizers *very* sensitive - maybe I've adapted the code incorrectly, but this doc:
http://www.allstar.fiu.edu/aerojava/ILS.htm
indicates that at 10nm, the beam should be approx 1m (statue or
nautical, I don't know) wide (with some variation for the runway
aspect formula) - and it feels much, much narrower than that to me,
though I haven't tested this rigourously.
Comments awaited with interest :) James
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