[OZAPRS] GBAS
Andrew Rich
vk4tec at people.net.au
Sun Feb 10 21:04:25 EST 2008
Some may be interested to know that in Australia, we are about to
implement
GBAS.
So what is GBAS ?
Funny name.
GBAS is a set of 4 GPS receivers on the ground, which are in highly
accurate
surveyed positions.
The GPS error is uplinked to aircraft in the area.
I suppose it is DGPS, but with 4 ground receivers instead of 1.
The idea being as you fly into an area that supprts GBAS, your position
accuracy suddenly shoots up.
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Andrew Rich VK4TEC
vk4tec at people.net.au
http://www.tech-software.net
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