@john-putnam Yes, that's right when only a total station is used. When Captivate's Determine Coordinate System app is used to match lat-lon to re...

The keys to everything involving application of hardware and software successfully, for me anyway are: 1. Know precisely and unambiguously what you...

@mightymoe It's been years since I dug deeply into this, but if memory serves me right, no projection, no datum told some software to create a Tran...

And a one-sigma bound is a tighter requirement than a two-sigma bound. If you believe that (hint: it's true) and can explain why, then you'll be haile...

@field-dog That scale factor is highly suspect. The scale factor calculated above is 0.99994655 and the SF for NGS AK7138 about a mile away is 0.99...

@mightymoe It turns out that HSM stands for Hunting Shack Munitions. It's in Stevensville.

Hi, Moe. Cool picture; glad that math has some successes. Off topic, but I ordered some HSM ammo and got it today. I didn't know that HSM is in Montan...

@dave-o Well, it does take quite a bit of higher mathematics to flatten that curved surface. Sometimes simple is difficult to achieve.

@peter-lothian These may help, but not complete and exhaustive. There's a rich history of legislation in the formation of this park. One requiremen...

@dave-o Hmmm. So why do we have all of those state planes and that Transverse Mercator stuff?

@dave-o Ptolemy's complicated model of the universe worked, but it was replaced by the simpler model of Copernicus. And flat is way simpler than cu...

@norm Yep.

@thebionicman Understood. Being sticklers on rounding grading is one way that physics teachers get students' attention. Measurement accuracy and ...

Just maddening. Where did I fail? (Don't answer that!) It's just fundamental that a measurement like, say, 21.50 feet, represents an exact measureme...

Take three of the mis-stamped caps to Ebay. Hawk them as rare, mis-stamped survey caps from (date and place.) Beautifully finished and in excellent co...

@tnt Those walls perpendicular to the coast are called groins and they have a very different purpose than seawalls. They're used to prevent sand fr...

That's a nice piece of work, Scott. You've always had my endorsement (surely not worth much) for fine geodetic work, but maybe one from CjatGPT is wor...

Correction: 1.0148794/2.54/12 = 0.03286 International ft/mile should be 1.0148794/2.54/12 = 0.033286 International ft/mile