AI Assistant
Notifications
Clear all
john-hamilton
john-hamilton
@john-hamilton
Member P&R, Founder
Joined: September 13, 2010 5:25 am
Last seen: September 19, 2026 8:33 am
Topics: 409 / Replies: 3051
Reply
RE: can anyone identify this tribrach

Wow, you guys are good. That is exactly what it is. I like the tribrach for GPS work because I can rotate it and make sure the optical plummet is in a...

13 years ago
Topic
Replies: 12
Views: 656
Reply
RE: Greene County surveyor arrested in Perry County

Apparently the elected county surveyor, DaveRead the comment below the article linked by Glenn. Must have a reel good edcation sistem down their. Good...

13 years ago
Reply
RE: OK So I have this METRIC drawing, from another surveyor

If god had meant for us to use the metric system he would have given us 10 fingers and 10 toes......The metric systemSeriously, I do everything metric...

13 years ago
Reply
RE: HP 500 plotter

Thanks, Andy. For as little as I use it, it is probably worth it to have it looked at. I did have a guy come out in 2007 or so and do a cleaning/maint...

13 years ago
Reply
RE: OPUS - Understanding the Results

Thanks, Lance. That is very interesting. I note that in their download program (which I tried the demo), it has a default of TRIMBLE 5700 for receiver...

13 years ago
Reply
RE: OPUS - Understanding the Results

It looks like a knockoff of an R8, but appears to be GPS only (which is fine for static). My only concern is contradicting my "buy American or Europea...

13 years ago
Topic
13 years ago
Replies: 4
Views: 1001
Reply
RE: Baselines and GPS Equipment

That is true-I very frequently mix GPS and conventional observations in an adjustment. I can tell right away if there is any problem with the S6, or a...

13 years ago
Reply
RE: OPUS - Understanding the Results

I am not clear on why they call it an "OPUS" receiver. From the web page it looks like it would work fine for any static survey. I would be interested...

13 years ago
Reply
RE: Baselines and GPS Equipment

The S6 can of course be checked on a baseline, I do it on a regular basis. It will work without station setup if you go into survey basic (or somethin...

13 years ago
Reply
RE: If there was one instrument, you'd like in your collection

I have a Wild T-2, Wild T-3, and a Kern DKM-2. What I would really like is a Kern DKM-3A, this was a "broken telescope" type of instrument where you l...

13 years ago
Reply
RE: Zeiss Elta S10 - quicklock prism

The instrument will lock on to any prism. When I bought my S10 in the late 90's, it came with a "light" that attached atop the prism (the quicklock) t...

13 years ago
Reply
RE: Misleading job ad

Check these prices out...They misspelled San Antonio in big letters on their pricing page. That gives a good image.

13 years ago
Reply
RE: CORS vs PPP

For all intents and purposes GRS80 and the WGS84 ellipsoid are equivalent, that is to say they are interchangeable. That is NOT to say that NAD83 (whi...

13 years ago
Reply
RE: asked to sign waiver

After he asked if I had a notary in my office and I said no, he emailed back and said fine. So it isn't really a problem. I was just wanting to know h...

13 years ago
Reply
RE: asked to sign waiver

Yes, it's common practicewell, I signed it, and sent it to them. No notary. I am a small company, myself and one employee, so of course I do not have ...

13 years ago
Reply
RE: NGS Monuments/Data Sheet Question

Glad that you found the problem with the designations. I have to ask, though. What do you mean when you say Paul created a VRS?

13 years ago
Page 149 / 173