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To: Seizethecarp
These GPS enhancements enable a location accuracy radius within the radius of a 747 engine intake ...

That assumes that the drone knows the exact altitude at which the aircraft will cross over a given point on the ground, and that it will not drift sideways from the runway centerline after takeoff.

5 posted on 05/04/2013 9:28:38 AM PDT by DuncanWaring (The Lord uses the good ones; the bad ones use the Lord.)
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To: DuncanWaring

“That assumes that the drone knows the exact altitude at which the aircraft will cross over a given point on the ground, and that it will not drift sideways from the runway centerline after takeoff.”

If you read down into the blog this issue is extensively discussed.

On each airframe, such as a 747-400, each engine is mounted at a known distance to the left or right of the centerline and at a predictable altitude from the runway surface during takeoff (allowing for wing lift of the outer engines).

If you go onto Google Earth, for example, you can find any airport and hover your pointer at each end of any runway centerline to obtain the GPS coordinates for latitude, longitude and altitude. Knowing the three-dimensional coordinates for each end of the runway centerline and the known distance that each engine is from the airframe centerline, say of a 747-400, allows the individual linear path down the runway that each engine will follow.

This allows each engine of that specific airframe to be targeted by terrorists.


6 posted on 05/04/2013 9:47:55 AM PDT by Seizethecarp ((Defend aircraft from "runway kill zone" mini-drone helicopter swarm attacks: www.runwaykillzone.com)
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To: DuncanWaring

Add a cheap video camera and you give the drone “eyes” that can be used for terminal course correction.


8 posted on 05/04/2013 9:52:28 AM PDT by Sergio (An object at rest cannot be stopped! - The Evil Midnight Bomber What Bombs at Midnight)
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