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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: Meeting ALTA/NSPS Minimum Positional Precision Standards

From my own observations in optimal environments at various ranges, I've found my RTK system provides <1cm+1ppm accuracy (2D) at 95%. Two points po...

10 years ago
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RE: Meeting ALTA/NSPS Minimum Positional Precision Standards

For 2D, the multiplier from 1 sigma to 2 sigma is about 1.6 not 2.

10 years ago
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RE: RTK for Boundary Surveying

Yes. Please share them.

10 years ago
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RE: RTK for Boundary Surveying

What are the standards in Texas?

10 years ago
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RE: RTK for Boundary Surveying

Apparently you discovered a point of diminishing returns in increasing your total station accuracy. At some point practicality caused you to select a ...

10 years ago
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RE: RTK for Boundary Surveying

Kent McMillan, post: 383644, member: 3 wrote: The point, though, remains that there is virtually no situation in which RTK will give better positional...

10 years ago
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RE: RTK for Boundary Surveying

Lee D, post: 383623, member: 7971 wrote: Site Calibrations, or Transformations, or Localizations, or whatever your software of choice calls them can b...

10 years ago
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RE: RTK for Boundary Surveying

Kent, that's quite a leap, even for you.

10 years ago
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RE: RTK for Boundary Surveying

Kent McMillan, post: 383599, member: 3 wrote: Accuracy was the point of contention, not speed.You may have imported that contention into my thread, bu...

10 years ago
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RE: RTK for Boundary Surveying

Kent McMillan, post: 383590, member: 3 wrote: Actually, the problems with RTK use are well known. Since its main appeal is speed, why is it a surprise...

10 years ago
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RE: RTK for Boundary Surveying

MightyMoe, post: 383581, member: 700 wrote: The improvements regarding accuracy and more important reliability have made RTK a better tool than even a...

10 years ago
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RE: RTK for Boundary Surveying

Lee D, post: 383586, member: 7971 wrote: I've been through countless GPS training classes over the years, as either a student or a trainer, and most o...

10 years ago
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RE: RTK for Boundary Surveying

Kent McMillan, post: 383579, member: 3 wrote: Yes, that is RTK in a nutshell. Until RTK users are able to maintain anything resembling the sort of pro...

10 years ago
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RE: RTK for Boundary Surveying

2xcntr, post: 383434, member: 584 wrote: "I don't have it in me to argue with your irrational opinions about RTK for surveying."Really?? Then why woul...

10 years ago
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RE: RTK for Boundary Surveying

Kent McMillan, post: 383442, member: 3 wrote: However, the positions of the control points had variances associated with them that should have been ad...

10 years ago
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RE: RTK for Boundary Surveying

The samples were not on the same day. One control point (at 9.5 miles) was created using OPUS Projects, the other (at 2.55 miles) by static GPS from s...

10 years ago
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RE: RTK for Boundary Surveying

Why start injecting "reasonable" into the argument, Kent? What's "reasonable" about quibbling over 3mm compared to 8mm in the context of boundary surv...

10 years ago
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RE: RTK for Boundary Surveying

Ok. You've started in with the "what you're saying is" already.

10 years ago
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RE: RTK for Boundary Surveying

I don't have it in me to argue with your irrational opinions about RTK for surveying. You've demonstrated nothing regarding comparative accuracies of ...

10 years ago
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RE: GPS Base Taken Hostage!

Surely the insurance company will understand when you send them the picture as part of your claim for a new base.

10 years ago
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