It will be a long time before there is a Mars GNSS, so take your total station.?ÿ There is a martian coordinate system already.?ÿ The longitude origi...

The listing says: Mining transits were developed for use in mines or places where the user?ÿ would need to shoot a line where the plate would be in ...

So I had to do the spherical trig, using a spreadsheet to do the actual calculations, but was interrupted by supper (Central Standard Time).?ÿ Turns o...

and it's not lithic (stone), which some people might forgive, but you are right about the mono part. ?ÿ

If ingested all at once, then a greeting line at the wake.

No telling what kind of line you'd get after a whole pint.

Interesting that FORWARD won't take a prolate ellipsoid (longer between the poles). I tried adding the b dimension a cm longer than a, and it objects,...

They wanted a backsight that was visible for a long distance?

But you're the math teacher. I thought you'd do the spherical trig. 😉

That's a big tank to go so far, and no guarantee you can refuel if you get there.

I learned a new term - didn't know the great circle was called an orthodrome. As opposed to a loxodrome (rhumb line) that I had heard of. Do you have...

Are you talking about recent subdivisions??ÿ It's quite common for older plats around here to have some self-inconsistencies and inconsistencies with ...

And the mortgage was satisfied, so the title was clear in the mother for the whole 80 acres.?ÿ If the 5 acres was considered separated under that juri...

I thought he said there was only a description attached to a mortgage, not a filed deed.?ÿ A deed would be harder to overcome, but probably still woul...

Maybe he could refer her to you while he gets back to full steam?

Washington has an amazing number in the CBL list-you have it easy. Iowa has 2, last measured 28 years ago, and the one in the middle of the state (2 ...

When three surveyors agree within 0.02 of their combined mean, and the fourth differs by 0.14, and then there are other discrepancies of "over two ten...

Or they just don't calibrate the bubble often enough.

One of the most sensible things in this 8-page thread was said on page 1. (@lee-d said: Until the new technology is sufficiently better t...