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Last seen: October 10, 2026 1:50 pm
Have you found a solution in that program to call up notes for township or range lines that don't show up? I've only gotten them by calling the BLM of...
I saw it was down, it's at least partly working now.
I never get payment from surveyors. I share info with other surveyors, and they share with me, but, I don't give a thought what makes it simpler for t...
Seems to be a frequent occurrence in that location, just saying.......
Each time this comes up there isn't any disruption that seems to effect our GPS. However, don't be complacent, another Carrington event could be a ...
It's the sequence; look at Huntley drive, the PT at 1+44.11 to the PC at 15+40.03 should inverse to 1395.92 because the stationing and endline descrip...
It's the sequence, PT to PC is a straight line, PC to PT is a curve.
The stationing will follow the curve. In the sequence shown, the PT then the PC, the PT is a point of tangent, in other words the beginning of a tange...
Inversing those two pairs should produce the same distance as subtracting the stations. The PT is a point of tangent, the PC is a point of curve, assu...
That's odd, I called up the state plane map and it showed two zones. Then after your post I can't seem to find that map, all of them show the one zone...
They might be quite close if there is a switchback curve between them, any turn in the highway will shorten the mark to mark distance.
@mathteacher Stations follow the road centerline, it gets more complicated with divided highways. But assuming it's a two lane highway it will ge...
@mathteacher The statement leaves out too much. It would be better to reduce it to one clear sentence: "Coordinates, bearings and distances sho...
@mathteacher It won't download for me. I will also add that there are some local projects that were Grid, not many that I've run into, both coordin...
I've never heard of that, SP coordinates and ground distances published for a DOT project, that would be a painful experience of pointless calculation...
@mathteacher Yep, you're exactly correct, however that means that each distance needs to be recalculated, by globally multiplying the coordinates t...
I concur with both Norman and Peter. I see a couple of issues with the commencing point tie, it's stated that "the coordinates of said point are refer...
@mathteacher You really, really want surveys to be in state plane. I don't know of any engineering or surveying company wanting to survey deep in t...
@mathteacher No error? Map projections are inherently full of error, that's why Antarctica looks so huge on most world projections. It's the same ...
@mathteacher Mostly because SP was developed for huge mapping projects, not construction, are you arguing that .8' in 1000' is somehow an acceptabl...