Agreed that conformal projections preserve angles over short distances. Poster is near Atlanta, which is Georgia West zone. Convergence at Atlanta's l...

This article will show you a good example of applying convergence to a linear traverse.

"I have a particular set of skills..."

4 And/Or 5 Decimal Places For What?Oh, I'm a believer in the value of a professional surveyor and the inadequacy of amateur work in the field. That su...

4 And/Or 5 Decimal Places For What?I was looking at a quarry on Google Earth the other day. The depth perception was amazing. And the elevation number...

4 And/Or 5 Decimal Places For What?Precisely!!

4 And/Or 5 Decimal Places For What?Sort of, maybe. Rounding to 4 places means looking at the fifth place. For example, 0.0003 is between 0.00025 and 0...

Fascinating. If I've read this correctly, Harold is using the term "3.16 chains square" to represent a square with each side measuring 3.16 chains. J....

Sorry, wrong link. Here's the correct one:

This historical source, along with the current sources others have posted, may give you a sense of the pace of adoption of coordinates as evidence in ...

Standard error vs. standard deviationWe're a lot closer than it might seem. First, as you stated, Jackson's use of the term standard error for sample ...

Standard error vs. standard deviationNote that for a sample size of one, that is, a single observation, the standard error of the mean and the sample ...

Standard error vs. standard deviationDifferences in terminology are pervasive. Out of curiosity, what does Jackson call sigma divided by the square ro...