I can see the need for "calibration" if the design was done, say, from total station measurements and no good GPS data. But if the control was establ...

I've got a stupid question, since I haven't worked with machine control. It would seem that the design would be done in NAD83 (probably via SPC) and ...

Can you just say "Easement across parking lot for access by school buses per Bk/Pg, no dimensions or precise location specified."

Memory self-check test:If you forget where your keys are, you're ok. Everybody does it sometimes.If you get out to the car and realize you have the o...

A couple older threads on tick preventionsurveyorconnect.com/index.php?mode=thread&id=68955Note the warning about flea collars in contact with the...

[pedanticism]They use carbon dioxide because that is what people and animals give off in their breath. Carbon monoxide is the much more dangerous stu...

A lot of personal computers used a lithium backup battery, I'm pretty sure as far back as the mid 80's. I don't remember if the very first ones in 19...

What did the buddy use for numbers to put in his GPS? City GIS?

Who else on the forum is planning to go?I was surprised that, when I mentioned that there were some interesting programs, my wife said she would like ...

So tell us about their coordinate system and control.

Catch 22? You need it to work to see the video about how to make it work?

Why didn't they just use the Google Earth image? Ok, not quite the resolution they wanted, but where is the dividing line?

The difference between astronomic north and true geodetic north is the Laplace correction. It is non-zero if irregularities in the earth's density cau...

With A robot...I'd think an encoder would have the same potential errors as older glass circles. I haven't seen an actual modern encoder, but it has ...