Caltrans is starting up a formal research effort to determine what is required to obtain mapping accuracy comparable to that obtained from conventiona...

So those Mac VMs handle software dongles okay?

I've done two surveys involving trees that fell and killed people. One was a 30" fir that cut a mountain cabin in half, the other a eucalyptus that l...

John, post: 393703, member: 791 wrote: Of course the field crews can not get the connecting shots exact, they will be off hopefully less than 0.1'.I r...

Nate The Surveyor, post: 392837, member: 291 wrote: This plat is published on local ground coords, having applied the Combined Scale Factor of 88 PPM....

Nate The Surveyor, post: 393592, member: 291 wrote: I want to get my a nice battery powered digging device, an electric jackhammer. Nearly all the che...

BlitzkriegBob, post: 393615, member: 9554 wrote: Worst case scenario for a boulevard section with monolithic curb and gutters and sidewalks is that yo...

arctan(x), post: 393583, member: 6795 wrote: use unique linework IDs.I interpreted John's remark to mean that the problem isn't the ability to generat...

Loyal, post: 393509, member: 228 wrote: Speaking of Mike P., have you talked with him lately?I traded email with him a week or so ago. I had heard he...

Loyal, post: 393502, member: 228 wrote: ALL three stations are GPS derived NAVD88 heights rounded to the nearest centimeter!I know, I headed up the pr...

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The gravity field is pretty consistent around here, so I don't think the ortho height correction is going to matter. I'll give it another look, thoug...

Kent McMillan, post: 393403, member: 3 wrote: I assume that you level to two opposite points on the frame and then return later to pop the lid and mea...

Kent McMillan, post: 393379, member: 3 wrote: the relative elevations of pipe inverts at adjacent nodes in the network is quite a bit more important t...

Tom Adams, post: 393311, member: 7285 wrote: Basically, I think they would want the relative elevation of a MH to be relatively precise to the two adj...

My point wasn't to criticize you or your methods, it was to complain (further) about clients asking for something not economically attainable and then...