Thanks Mike for the article on your website.
Here is another article on barometric vs gps altitude.
http://bhgc.wikidot.com/tutorials:differences-between-pressure-and-gps-altitude
The hang gliding community has been writing extensively about this
subject and ended up with using barometric
Mart,
For airspace infringement purposes pressure altitude should be used
as that is how the airspace levels are defined. That seems to be the
thrust of the linked article.
If you are really good and lucky it will be within about +/-100 feet.
Up to +/-200 feet is possible when all error
You will be able to follow the activities at this year’s Bunyan Wave Camp
on Facebook by making the Canberra Gliding Club a Facebook Friend.
SDF
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