Last seen: June 7, 2026 2:48 pm
A letter from the NGS SPC2022 Project Manager (Scott posted this on the CLSA board): Hi Scott,You are correct, NGS (and NIST) are?ÿNOT?ÿtelling stat...
how does your choice of which sigma to declare change the probability of your measurement being proven wrong. It doesn't change the probability, it...
What's the source of this graphic??ÿ It states that the RTCM message outputs the position of the mechanical antenna phase center.?ÿ The CRTN metadata ...
The differences in the "up" values are 5.90mm and 2.30mm for each frequency modeled. Sorry, I was referring at the underlined numbers.?ÿ I agree th...
This indicates to me it matters what is below your antenna and will affect the data you collect. Those differences are mostly sub-millimeter.?ÿ To ...
I have "Principal Land Surveyor, Frame Surveying & Mapping" on my CV.?ÿ No attorneys or judges have questioned or commented on it yet.?ÿ They want...
The old StarNet manual is a pretty good primer on LSA. If someone has the PDF for upload. For anyone interested: Star*Net v.6 Manual ?ÿ
Modern pennies are mostly zinc with only a thin veneer of copper that will wear away quickly. Unless there's abrasive exposure (think tires or shoe...
I always assumed that the minimum distance spec meant that you couldn't reliably get a shot that close, but the few time's I've pulled in tighter I've...
airport surveys with bench marks at the end of the runways, two first order bench marks at the airport Twenty years ago I used to be able to drive ...
Otherwise all projects (old and new) will have 437 different sets of coordinate values to choose from, most of which will be entirely fubar As with...
That's a very nice presentation of the issues, thanks for posting it!
jim frame, what hardware and software are you using to output the data to Opus? Javad Triumph-LS (hardware and software), though I haven't experime...
I've driven through John Day a couple of times.?ÿ The thing I recall about its namesake is that once, while camping on the Columbia River, he and his ...
It looks like something designed to press a large flat thing against the glass.?ÿ But what kind of thing, I don't know.