OPUS isn't good at giving the most relevant and informative error message.?ÿ I've seen this message when I submitted too soon, before the CORS data ha...

Wendell's most common advice when there is a problem is "clear your browser cache."

@flyin-solo I'm seeing recent posts, no problem.

Could the difficulty be a mis-copied sign?

How far off is the last equation then? More than roundoff error propagated?

But you have stated more than once your retirement would be 3 days before your funeral. No rocking chair club for you even if you last to 100+.

Is that really vw in the first line??ÿ It breaks a symmetry that the other lines have.

JV4193 appears on Google Earth to be in a large fenced compound. Edit: I think it's Camp David. There is a 2010 Geocaching log that says This benchmar...

Check your local laws before carrying bear spray in an area where bears are very unlikely to visit. Some states that allow it do restrict the capacity...

@nate-the-surveyor An explicit basis of bearings tied to the rest of the world is very helpful. But convergence is insignificant to the OP situati...

I have no personal experience to compare. The reputation seems to be Leica has the best hardware but their software is less friendly than many other b...

No idea what it used, but I have a picky point about Chebychev polynomials and the word drift.?ÿ Those polynomials are used to provide as good an appr...

I think Garmin supports .gpx files on their sport units, and it is very commonly used for geocaching, so it may be available on a Garmin tablet.?ÿ You...

Coriolis effect?

This site may be of interest to those seeking ephemeris information.?ÿ I haven't tried it myself.

I tried a 11" tube made from black paper and couldn't see any difference at the time Polaris was fading away in the morning.?ÿ So the clarity of the a...

I'm surprised that it wasn't at least mentioned if you took surveying courses there, since Ghilani is from Penn State, and the Wolf & Ghilani Elem...

Title, who owns a piece of property, is usually a different matter from boundary, where the limits of that property are.?ÿ Sometimes they do get inter...

No. That's not the passing score. It's the fraction of test takers who achieved a passing score, whatever number that was.