As I think I understand it, Geoid18 will be released in mid-2019 (it's only a beta yet).  It won't change the NAVD88 elevation on any NGS data sh...

Centimeter? Where's Mr. McMillimeter when you need him?

In a lot of your surveys the client won't like your results.?ÿ That's the nature of it.?ÿ In this case you are assured that one will be unhappy.

Breaking up a long file can give you a sense of the variation. But an unweighted average of several short sessions loses the advantage OPUS has in wei...

I think you are stuck with re-observing, since OPUS is trying to get to 30 seconds and that is not a multiple of 4.?ÿ You dont have observations at ev...

The Corporation should have the land owner request the survey. Reimburse the owner as part of an option agreement.  Problem solved. The owner sh...

Some surveys list the name for whom the survey was done, and that could eventually tip other potential buyers off.?ÿ I don't know if that's a requirem...

When I do long static sessions and dont want to stay with the gear, i use a length of thin wire rope having a loop on each end. I can put one end thro...

Yeah, but his Monday morning starts long before yours, too.

Do you mean all of them or each of them??ÿ English is tricky.

That one hasn't shown up on the pages I've been looking at.

I believe NGS plans to disseminate their data with the major tectonic plate motion compensated, so to that degree the coordinates of a point will rema...