Two pictures both taken from the same camera seconds apart at the same distance. The first shows a 2 foot wide interior box column which establishing the scale at the distance of 7500 feet.
There's your first problem. Your making the asumption that the column seen in the picture is 2 feet wide. If that coulmn is actually one of the "massive" columns, as you put it, Your calculations would be off.
The truth is at the distance the picture was taken (on the New Jersey bank)
That structure is quite a bit larger than 2 feet. Compare the size of the "spire" to the windows in the buildings in the foreground. How wide would you say those windows are? Now realized the the "spire" is even further back than the buildings. Now check your calculations out again. How wide are those columns?
The second shows a fine vertical element BARELY seen. It is seen meaning the pixel calculatons are NOT taking something into account. On the left side many rebar are clustered making a better exposure. Low, on the right the resolution is not adequate to capture the lower part of the rebar meaning the pixel calculations are partially right, proving the small size.
Again, the resolution in the picture is too low to make a definitive conclusion. To me the fine lines look like denser areas in the dust streaming off the columns.
What else besides high tensile rebar of that small size would be standing over 100 feet tall unsupported?
A hundred foot steel box column would be more stable that a hundred foot 3 inch rebar. The four sides of a box column would provide more self support than a circular solid 3 inch steel rebar. That's just common sense. You really don't know much about engineering. Besides it did not stand for more than acouple of seconds.
ON EDIT. BTW, I am a surveyor and do that all the time with 1.25" range poles and they cannot be seen. I use a 2.5" PVC pipe which is barely visible at that distance.
Do you eyeball it or do you use a theodolite? You know one of these:
http://en.wikipedia.org/wiki/Theodolite
Because if you do use a theodolite it has a telescope on it. Not to mention it also has laser range finding and GPS. That's if its a recent model. The college where I teach has a surveying class and they teach them how to use theodolites. Maybe you should take a class.
If you eye ball it, well then, now I know why you have so much time to devote to plaguing forums with your lunacy. Your really bad at judging distance and size.
You did the 7000 mark!
I bet whn you get home at night you dress in leather and hang yourself from the ceiling via hooks.
