I have a 1958 plat with two lots' back corners shown 0.9 ft apart. Makes even less sense before CAD when you are hand-calculating everything. (And on ...

/ @john-putnam?ÿ There could be a datum issue involved here. What is the typical difference between NGVD29?ÿ and NAVD88 in that region? ?ÿ

Here's where the tune comes from.

@holy-cow?ÿ I wear a Santa style hat that says "Bah Humbug" as a protest against commercialism. The season is good for religious reasons if you are s...

I think all these things discussed are stakes. The term is a general category of items put vertical in the ground. Wood stakes in particular here, as ...

Where's Kent when you need him?

@spmpls?ÿ His most recent post was Oct 31. Retired BLM in Alaska.

@wa-id-surveyor?ÿ The benefit of coordinates that don't look like SPC is in cases when somebody takes true SPC and scales coordinates instead of dist...

@holy-cow?ÿ Actually the train doesn't stop in that town. It was probably going 30 mph.?ÿ I zoomed in so I'm not as close as it looks. The GPS setup...

I edited the last paragraph while you were posting.?ÿ It's complicated and I don't know an easy way to get the values in general. Maybe we can get so...

Nice looking spreadsheet. I haven't checked any of the formulas. Picky comment: I don't like the label sigma95%.?ÿ Sigma has a usual meaning and is n...

Remember that the property lines on a county GIS map may be anywhere from right-on to 10's of feet off. They are just to identify parcels, and are rar...

GPS is the wrong tool for your job.?ÿ If you are sure there are iron pins in place, the best tools would be a tape, compass, and metal detector (maybe...

she wants to stay on the beach long enough to get bored.?ÿ I don't know how long that would be but I do know that it is longer than 3 weeks. I thin...

they went out together and measured 1320 feet from what they thought was the south line of the section (probably middle of road) and then built a fenc...

I haven't studied your equations, but the first thing that comes to mind is that math angles and azimuths are reckoned differently so you have to be c...