Least Squares HijackEven if the distribution is heavy in the tails, with a significant amount of redundancy you still get a "good" answer although it ...

Do you perform LS on all those points, or only on a smaller control network?

If that's big to you and you run least squares to fit those points, then yes. How many points do you do LS on?

He still owes the bank the money. It may be a bunch of trouble for them to go to court and attach other assets (i.e. the house), and there may be oth...

JohnThe readjustment using existing data would cost what, several office people for a few months? That is least-significant figures for GRAV-D.

His 2004 plat compared to the 1949 easement record shows that there is a discrepancy. Proving that the buzz near the 2949 PI is the real thing would ...

Lack of research seems too common.My wife mother (in Iowa) had a parcel created to give her grandson in 2004, adjacent to a road with a curve of about...

Longer backsights are a good idea if readily obtained. At only 100 ft, sideways centering error of 0.01 ft on each end give you 40" angle error. More...

We can hope that Mom was just trying to be protective from outside trouble, and gave the boys a sterner treatment after you left.

Aluminum bronze ?

Trimmed link to item Survey markers SHOULD be on their banned item list. I'm afraid one of these days we're going to find some city's most-used BM on...

Why doesn't the list include aerial and underground utility easements?

>That's awesome! Hopefully our perverted criminal justice system won't punish him for whooping up on the crooks.The story sounds like he won't be i...

I recently read Andro Linklater's Fabric of America. Unlike his previous book Measuring America, Fabric is only peripherally about surveying, despite...

Chuck Grassley Joins the Fray-Iowans please thank himI let him know that I appreciate his attention to this threat.I also asked Sen. Harkin to work on...