Background infoThat I don't know. I'll have to ask. I did save the examples you posted from the previous thread, though. Thanks for those.

Background infoIt's not the same project, but in general that kind of accuracy is what we're going for in a lot of our projects. In this case it's su...

Not really off topic. I've gotten that same question before when I've posted other times on here. We're not a surveying agency. We just need locati...

Here's the crux of what is being put to me by my superiors:If we have HARN points with published elevations of First Order vertical accuracy and know...

Simple Does Not Mean It Is Easy Or QuickThanks for the suggestion, Paul. We actually have 3 receivers, so that is feasible. I know about the ionosph...

Where could I find data on the slope of the geoid? I suppose that question tells you how much experience I have with the geoid. I understand the con...

> The success you'd have with mixing CORS and L1 will depend entirely one how distant the CORS stations are from the area that you wish to build th...

Have At ItThat's basically my thought- I could get some numbers that may or may not be close, but I couldn't really certify that I actually had achiev...

You've got it basically right. The conditions under which we could get 2 cm accuracy weren't as clearly explained as the fact that we *could* get 2 c...

Maybe somebody else can find different, but so far what I found was that all the other benchmarks, first order vertical or otherwise, are generally cl...

Thanks, Deral. I'll look into what the cost will be to rent dual-freq equipment. The project has clusters of wells (these are water wells) scattered...

James, Your advice is definitely worth more than 2 cents and is welcomed, especially since comparatively my experience is next to nothing.

Still subject to interpretation, but I found this in the statutes as well: 36-18A-9. Certain persons exempt from provisions of chapter. This cha...

> Umm....> > This is the statute that I picked offline. It seems to go farther than just boundary location (4) and (5)....but, like I say peo...

Thanks for the advice. I did review the rules, and since this isn't a land survey, it doesn't seem to require a professional to perform it. Right no...

> For a rod-style mark, the stamping would be on the rim of the logo cap. A replacement would either include RESET or have a new number. A replac...

Thanks, Bill. I'll double-check that next time I get up there, assuming the logo cap is still in place. As I said, I don't remember if that was one ...

Ultimately I think the problem is either the NGS hasn't updated their data sheet, or they were never notified that the original was destroyed and a ne...

There was no stamping on this monument. Here is the recovery description from the data sheet: AC7974 STATION RECOVERY (1996)...