The error from using the wrong one is 10.160 parts per million or 1.016 parts per hundred thousand. Roughly speaking, that's about 1 foot in 19 miles ...

There's certainly lots of room for confusion. Coordinate systems are very adaptable to the task at hand, but we need some text or context to understan...

South orientation was the norm in the old days. That makes studying old geodesy textbooks difficult. Here are the signs in each quadrant for Triangula...

Janer, post: 362478, member: 11435 wrote: Hello,I have been doing a lot of research on becoming a licensed surveyor recently and am interested in purs...

Three points always determine one plane. Four non-coplanar points determine four planes, and wobbly chairs. Maybe all four of his are coplanar, but it...

Lee D, post: 362563, member: 7971 wrote: You could use zero it probably wouldn't matter. That's correct, it wouldn't matter, if the software does wh...

GeeOddMike, post: 362392, member: 677 wrote: FWIW, the NGS database includes a large number of intersection stations: water towers, radio masts, stack...

Back in 2007, I was teaching math to high school and community college students and teaching myself what I could about surveying and geodesy. Communic...

ekillo, post: 359971, member: 773 wrote: It looks like if was noted as found 2/01/16 and looks clean on the 2015 Google imagery. The March, 2012 pict...

My PLAZA is beyond mundane by comparison. It's in downtown Greensboro, NC at the Governmental Plaza, roughlyN36 04 17, W79 47 30. It, along with LUCY,...

It may not be the drone operators that are the big threat. On the other hand, equipment might get cheaper; you might be able just to tell the truck to...

Mark Mayer, post: 358572, member: 424 wrote: I'm now working on a list of simpler questions that we can train to. This first batch of questions will h...

If you're interested in ROI of education, check out this web site. Doesn't apply to a graduate degree, but it's an eye opener for prospective students...

Ground or grid?

In NC, teachers are supposed to begin each unit of instruction with a pre-test. The pre-test poses questions that students should be able to answer wh...

I had the opportunity to either earn a masters degree in mathematics or earn certification by the National Board for Professional Teaching Standards. ...

Approximating curved lines with straight lines is always an interesting topic. Archimedes used polygons to approximate circles in order to find upper ...

Suppose Nate's 50k, 50k system was computed on a pre-DPOS position and then recomputed after DPOS. Would it be fair to characterize the result like th...

Loyal, those are interesting comments. Here in North Carolina, elevations range from sea level to something over 6,000 feet. In Arizona back in the ea...

A rigorous example of a classic State Plane solution for a link traverse can be found here. While it doesn't address the original question of what to...