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Sorry Lear, I just run the data...
All I have to say on the subject is in the study. I'll leave it to others to speculate.
Originally posted by justin-d
I confess that I've only made it through about 14 pages of this thread so far, but concerning the misalignment of the NTSB animation and the heading of the aircraft, has it been considered, possibly, that :
- perhaps the NTSB simulation/recreation software which interprets the data does not link directly with satellite map data? Does anyone know this for sure?
- assuming the former, then to get the photo of the pentagon into the animation (for dramatic effect or point-of-reference), someone would have had to have added it in ex-post-facto
- the recreation is plotted in a virtual 3D space, to put the pentagon in there, someone simply had to cut out a chunk of a satellite map and plop it into the rendering software giving it a set of coordinates to put in in the right place
- the virtual 3D space is entirely referenced to magnetic north, as it should be and as all aviation is done. Maps, however, are generally referenced to proper north. If someone simply took the pentagon map and dropped it into the rendering software, assuming north was north, then the pentagon image would be the thing that is not in the right place, with its northward facing vector aimed at magnetic north and not map-north, thus giving it an anticlockwise rotation of 10 degrees in the map space and putting the approach vector of FL77 on the north side of the citgo station
Can I venture a guess on lat-long equivalency? I'd guess they are equal at the equator but long lines get cloeser together near the poles while lat lines remain parallel so the further north or south you go the more difference there is.
Originally posted by johnlear
Correct. Good reasoning. Now the reason I brought it up was because spcenenger said he didn't know about anything except numbers and was not a pilot AND all of his longitudes were off. So I figured he was using latitude equals longitude and thats why his figures of the crash weren't even near the Pentagon. Thats because one degree of longitude at 38 N is going to be less than one degree of latitude.
Also spcengineer has dodged questions from both me and Nick as to what he is actually trying to present.