The single-parallel Lambert is tangent to the ellipsoid at the central parallel. The two-parallel Lambert is secant to the ellipsoid at the two standa...

@rj-schneider?ÿ Trial and error coordinate and scale factor calculations put the Southern Standard Parallel at 34-40-30 and the Northern Standard Par...

@rj-schneider?ÿ The 35.2527... is the central parallel on the current NAD 83 NC State Plane. The 2022 version is 35.25 degrees. But look at how clos...

No, it's much further. On the current NAD86 map, we can use NCAT to calculate state plane coordinates at 36-10, 79-00 and 34-20, 79-00, the two standa...

@shawn-billings?ÿ "For Lambert based projections, the change from 2-parallel definitions to 1-parallel definitions,...." We have to be careful here ...

Dang! Ice on a highway just can't be dealt with. Snow, ok, but ice, stay home. ?ÿ

How many McMansions can be built on a football field?

Latitude is Dell's business computer. I've liked Lenovo since I had school-supplied one for three years. It was a tank, with the little red homing key...

@murphy?ÿ Yes. The only meaningful title in any company is Owner.

My broker says that when we get back to normal times, decisions will be easier. Personally, I've never lived in normal times, so I don't know what to ...

Maybe a Gantt chart could be used for this. Here's Microsoft "support" for a Gantt chart in Excel. And here's a commercial site: ?ÿ

Improved diagram: ?ÿ

Cambridge Flood Viewer Tool is here:?ÿ/p> Here's a footnote: "1Cambridge City Base datum is a standard vertical datum used by the City of Cambridge. ...

Here's something from Bad Elf that might help: