One way to find out how much error is introduced from the environment and the instrument is to take multiple measurements. The spread in these measurements then indicates the error that you can expect in taking additional measurements. This is expressed as a standard deviation (often called sigma after the Greek letter sigma used to denote it).
A instruments measures so far I remember thousand of time per minutes, - and calculate the average.
The result is data per minute, each measurements lasted 4 rounds, and from these you also use a average.
We used two gravimeter to the measurement, - we are here speaking about, the second gravimeter is measuring the exact same places so soon the first is finish, - this is to detect if the instruments agrees with each other.
Furthermore you always finish the same place as you begins, this allow you to know the difference due to moon, sun, tide, - and because the software knows all the measurements moments / time, - it can automatically filter these influences as well.
So don’t worry these people are doing a professional job.
Even so your graph (however you calculated the values) shows that your ADG is not constant in the building.
Exactly like the gravimeter calculate the average,
and exactly because this bottom (above) is the most used in physic.
I have the right to say YES ADG is stable (deviation of 6 microgal / = insignificant and especially when you clearly can see the reason).
Of course your graphs are useless because you never calculate the buildings ADG.
It is almost the same as you say, that even though that you know that the cows give 12 liter milk every day, because you can see it an
measure it, then this is useless because you have never calculated exactly 12 liter.
Try to understand, the calculation is not the primary things to do, - it is rather to confirm or disconfirm whether the gravity
pattern left behind, can be explained based on the blind orthodox thesis, or if it can be explain based on a new theory explaining from A to Z from gravity really is, - and does.
That would be the sensible choice: Ask DTU to confirm or reject the conventional law of gravity, when defining the task.
First few days ago I got the idea that COG seems to be near 3th floor. (After I got the new floor height measurements from Cristian)
Still we need drawings of the building and finish the 4 lower measures centrally in the building.
And for perfection reasons I MUST be able to guarantee all the floor heights are 200 % correct measured.
After this is done, you’ll see.
So, of course, being professionals, the DTU people have safeguarded against spurious noise by deriving each station from a series of measurements.
I think this must be more or less the pinnacle of idiocy: To pay good money to have an experiment conducted, but define the experiment such that it does not fulfill it's purpose, and then top it all by failing to read and understand the report.
I have told DTU to wait finishing the last report and modeling until :
- The last 4 measurement (central) in the building is done.
- I have done the last floor height measurement/check on all floors
- I have the copy of the drawing
My friend it is already too late, the signs are already clear, the old speculating is already completely dead. Now it is only left to fall.
I am pretty sure when the job is completed we are facing a even bigger surprise, - and I hope it is big enough to get this finding published.
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