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john-nolton
@john-nolton
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Joined: July 2, 2010 6:08 pm
Topics: 27 / Replies: 536
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RE: Best tool for calculating distance between two points over very different epochs?

Math Teacher there are at least 3 ways to calculate the mark to mark distance from old NAD 27 coordinates.I used one of the other ways and am 1mm diff...

7 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

Paul in PA The spelling of base line (this is the way its spelled in the United States) has 2 differentways to spell it according to the Oxford Engli...

7 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

Tom ( aka OtherHand) thanks for the 2 links you posted, it saves me much time in looking for them. Not to worryabout overlooking some things it happen...

7 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

Bill93 please try to remember the correct spelling of the word "base line" or base-line but not the way you spell it in your post above.JOHN NOLTON

7 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

Tom I am having trouble posting. Sometimes it will post and sometimes it won't.I tried to post another post just after my 1st one but no go.The distan...

7 years ago
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RE: Best tool for calculating distance between two points over very different epochs?

OtherHand; it would be nice if you could give me a reference to the paper you say that Dr. Michelson said the distance was 35,385.5 meters.This base l...

7 years ago
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RE: Wild NL & ZL Optical Plummets - For Sale

Jason Everett; Do you ever clean your instruments or the cases they come in ??JOHN NOLTON

7 years ago
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RE: 'Nother problem

Good Man RFC. (38)JOHN NOLTON

7 years ago
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RE: 'Nother problem

Math Teacher, thanks for letting me know about Emmy in both Discover mag. and Smithonian-- I will look it up.The simple problem seems to be as you sta...

7 years ago
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RE: 'Nother problem

MathTeacher, post: 454395, member: 7674 wrote: The problem can be viewed as being full of inferences, but perhaps the most important two are that an i...

7 years ago
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RE: 'Nother problem

James Fleming, post: 454313, member: 136 wrote: (2,3) + (3,4) x (10,11,15) James thanks for posting a link to Emmy Noether.JOHN NOLTON

7 years ago
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RE: 'Nother problem

Question to Lindell; Your post has "Nother problem"Do you mean " Noether" as in Amalie "Emmy" Noether ?????JOHN NOLTON

7 years ago
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RE: The 3-D Global Spatial Data Model: Principles and Applications, Second Edition

Wild T2, I don't have the time to proofread the 460 + pages of Burkholder book. I am very busy on a project that will takeme into next year. The erro...

7 years ago
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RE: HP-41CV programming

Loyal don't they have laws in WY about pollution ( cremated and thrown in my favorite Trout Stream).That stream will never be the same again.How about...

7 years ago
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RE: The 3-D Global Spatial Data Model: Principles and Applications, Second Edition

The problem with Earl F. Burkholder's work, be it a paper or book is that there is a large number errors in it. Simple ones at that.Why can't he find ...

7 years ago
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RE: Forget Trig as we Know it!

Math Teacher nice post above on different base systems.JOHN NOLTON

7 years ago
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RE: EDM observation in the zenith direction

J.H. Thanks for the post and the explanation. Trig leveling is out. One thing is you are lucky that you have a shortvertical distance (~12 meters). Al...

7 years ago
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RE: EDM observation in the zenith direction

John Hamilton a couple more questions; In the next to last picture you show a person climbing the steps up from the air gallery,is there no way to tri...

7 years ago
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RE: Angular Error Problems

Dan have you PC with over 30 experience have his eyes checked. You can also set some targets out by the office of have some naturalpoint you can turn ...

7 years ago
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RE: EDM observation in the zenith direction

I have done this many times before; a long time back. The last time was in a 75 foot vertical shaft and I used a 100 foot calibratedtape done at NIST ...

7 years ago
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