Maybe I shoulda gotten a patent on it before I asked the question ?????ÿ

Maybe I am looking at this wrong but it seems to me that if a 62mm prism has a nodal point at -40mm offset and a 25mm mini prism has a nodal point at ...

Why is it that nobody makes a -30 offset nodal prism?

I can't define it but (in my opinion) I know it when I see it. James

I have always heard it explained like this but not in relation to surveying. There are exactly 3 apples sitting on the table. Using my precise scales...

I have about 12-15 sets of TxDOT construction plans for jobs anywhere from East Texas to Abilene. I think that should about cover it. Speaking of whic...

When I was a kid in the early 60's, Dad had an old Studebaker truck with gin poles on it. He used it to pull motors from irrigation wells. No winch, j...

A few weeks ago I was watching one of those Cop shows, maybe Live PD, that shows real video from car pursuits and foot pursuits. They showed infrared ...

@mathteacher 30 years ago, yes. Now I wish everything I did was non-essential. Being essential gets old after about 35 years.  

I wear composite toe boots 7 days a week. They don't mess with the metal detector. But I hate hardhats. I wear a hardhat anytime I am on a job with o...

@shawn-billings I'm just making a guess here. The LDP's will be Mercator Projection and the "newly revised five zones" will be Lambert Projection so...

@shawn-billings Can the LDP's be built to follow the original grid north ?