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bill93
@bill93
Joined: Jul 1, 2010
Last seen: Nov 15, 2024
Topics: 281 / Replies: 9553
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RE: new member with a transit question

This instrument should allow you to run a good straight line. But be careful what you use for a south reference. The compass will not necessarily poin...

2 weeks ago
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RE: Turning Deflection Angles

The angles can be expressed various ways and, if consistent, be understood. What annoys me is that before GNSS, angles were measured but then the par...

4 weeks ago
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RE: Prism constant for Nikon?

Next silly question about the Nikon. It has options for Curvature and Refraction of OFF, 0.132, and 0.200 but I can't relate those numbers to any valu...

1 month ago
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RE: Monumenting Lines With Jogs

My wife's family land is a mess in that the legal parcels do not line up with the creek, road, and usage, among other problems. She and her brother d...

1 month ago
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RE: US Survey Foot or International Foot

The type of foot is as much part of the definition of a projection as the false northing and easting. If your SPC or LDP was defined with US Survey fe...

1 month ago
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Replies: 4
Views: 9
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RE: Total Station Precision

People often forget how much averaging it takes to get angles accurate to the instrument spec. The definition isn't intuitive.

2 months ago
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RE: Total Station Precision

What are your state's accuracy standards? The 0.01 ft is most likely a requirement for resoluttion expressed on a plat, but the accuracy spec will be ...

2 months ago
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RE: Prism constant for Nikon?

Moe - that's pretty much what I did, using two "known" points. Lurker - I don't suppose there is any way to get past the "Tilt Telescope" message with...

2 months ago
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RE: Prism constant for Nikon?

Thanks. Your reply reduced the amount of checking and thinking I have to do. I suppose, though, I should some day go through the process to measure th...

2 months ago
Topic
Replies: 13
Views: 4
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RE: Railroad Curve-101

The link I put in this thread seems to work.

2 months ago
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RE: Title lines versus ownership lines

The Old NW corner was marked by Sullivan about 1816 at 100 miles north of the mouth of the Kansas River and a line run east to define an area accordi...

2 months ago
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RE: Title lines versus ownership lines

@Norm <div>Do you count the Old Northwest Corner of Missouri? It is, admittedly, a remonumentation of the 1816 point, but was declared by the US...

2 months ago
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RE: Title lines versus ownership lines

In my hometown county, I would love to examine the old field books from the 1920's and 30's when roads were being regraded and graveled. In the 1980'...

2 months ago
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