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shawn-billings
shawn-billings
@shawn-billings
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Joined: May 29, 2012 9:14 am
Last seen: March 14, 2025 3:27 pm
Topics: 93 / Replies: 2598
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RE: To GPS or not to GPS, that is the question

I use one point localization quite often as well. It's a fast, accurate way to develop a custom projection with small, generally negligible distortion...

9 years ago
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RE: To GPS or not to GPS, that is the question

Conrad, post: 407120, member: 6642 wrote: I would describe transformations as transformations. I wouldn't say 'localisations are generally transformat...

9 years ago
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RE: Invaluable Experience

Those opportunities are how you learn to fly. Good on you for your enthusiasm. It's what leads to transforming a job into a career and a hand into a p...

9 years ago
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RE: To GPS or not to GPS, that is the question

Conrad, post: 406982, member: 6642 wrote: Nate made a comment in another thread regarding localisations. It turned out, if I remember correctly, that ...

9 years ago
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RE: To GPS or not to GPS, that is the question

Longer occupation times will improve rtk precision. In the open, [USER=1201]@Bruce Small[/USER] gives precisions that are consistent with my experienc...

9 years ago
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9 years ago
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RE: A Giant in Geodetic Surveying is Gone

So sorry to hear of your loss and the loss to the profession.

9 years ago
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RE: Recently set and found corners by others missing by a lot...(post holiday fun)

Tom Adams, post: 406268, member: 7285 wrote: Call FrancisH.... Ouch

9 years ago
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RE: Recently set and found corners by others missing by a lot...(post holiday fun)

With that many monuments in consideration, I'd use a good best-fit coordinate transformation software, using a rigid scale (1.000).Might find that som...

9 years ago
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RE: Important numbers

[USER=291]@Nate The Surveyor[/USER] I'll bite. What's significant about 5250?

9 years ago
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RE: Important numbers

Holy Cow, post: 406034, member: 50 wrote: The square root of negative oneI can only imagine why that would be important.

9 years ago
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RE: Total station recommendations?

What type of work do you do? Robots are fantastic for site work with few setups. I wouldn't recommend one for lots of traverse work.

9 years ago
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RE: RTK base site selection.

Mark Silver, post: 405624, member: 1087 wrote: Regarding the I-beam:We have pretty high temperature differentials here and you can actually track meta...

9 years ago
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RE: Retracing Arthur Stiles in East Texas

Dave Karoly, post: 405546, member: 94 wrote: Geologist?That must've been heartbreaking for his family.In the oil boom it probably was an easier sell w...

9 years ago
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RE: RTK base site selection.

Yeah. That 0.02 is extreme spread. Pretty much disappears (vertically) in the noise of RTK. I'd be a little curious about warping horizontally if one ...

9 years ago
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RE: Retracing Arthur Stiles in East Texas

Kris Morgan, post: 405488, member: 29 wrote: Get a side by side if you're looking for a recommendation. We love ours. Polaris 400 is quite small and...

9 years ago
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RE: Retracing Arthur Stiles in East Texas

There was a Stiles on the survey crew also.

9 years ago
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RE: Retracing Arthur Stiles in East Texas

Kent McMillan, post: 405463, member: 3 wrote: Actually, Stiles report misstates the evidence that his map presents and would lead a surveyor to conclu...

9 years ago
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RE: Retracing Arthur Stiles in East Texas

There were quite a few other corners and monuments required to complete the survey. Without a doubt a WAAS receiver and post processing would have suf...

9 years ago
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