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Last seen: September 24, 2026 2:51 pm
Of course, the real problem is likely that the two surveys indeed did not start from the same base. That's indicated by the minimal rotation and the n...
@landbutcher464mhz Yes. Refer to translation and rotation in any Precalculus textbook.
@gary_g has the right take. I do this in Excel. It goes like this. Northing transform: surveyor's Northing = a + b*RFC Northing + c*RFC Easting In...
Have you converted to the feet that you want to use? The units need to be the same in both systems. Your Northings are substantially greater than th...
Here's the tail end of a ChatGPT query that might help. Good luck! Nice — thanks. Short answer first, then the supporting detail and w...
The most famous PA "road" completed in 1940 was the PA Turnpike, 160 miles built in 23 months utilizing an abandoned railroad and its many tunnels? ...
@norman-oklahoma From Google AI: The foot based on the exact conversion of 1 inch to 2.54 cm is called the "international foot" because its value...
@mightymoe Did the change to International Feet require legislative approval or was it just done on a whim?
@mightymoe What they did was verify that the legacy scale factor is an extremely good one. The ratio x/y^2 is a sort of plane version of a/b^2, whi...
First rule of board work for Geometry teachers: If the line misses a point, make that point bigger.
If the right side was 32, x would be 2 1/2.
You really have to look at the income possibilities. Lower cost of living often means lower pay for the same work. I don't know how accurate these num...
@gary_g Put another way, it takes a rare bird to confuse angle of inclination with polarity.
I think that I prefer the ChatGPT answer to this one:/p>
At 22.29 degrees west, 90.0 degrees south, magnetic declination is 0.0 degrees E and at 157.71 degrees east, 90.0 degrees south, declination is 180 de...