@rplumb314 Scientific calculators existed as early as 1968, but were quite rare because they cost as much as a good car. Another guy and I in colle...

If you slide the map around the points disappear from one side and pop up on the other side. So what you noticed is an accident of the view positionin...

I'd still like to understand the 44 km mystery.

3.14159265358979..

@paden-cash "It's a free-for-all when someone gets a hold of a current address." And the spam goes on for years. I have an email address that I use...

@mercer The given coordinates indeed look like UTM and the northing seems to fit Goulds (assuming zone 22T), but I also find about 44 km difference ...

On a bad day I delete 20+ spam messages. Most arrive overnight. Today was a good day-only a few so far.

@holy-cow You reversed a couple digits near the end of that.

My wife had someone in her office who made a fuss over pi day. I made a pi cookie cutter and for several years she made pi cookies.

You need to figure out what coordinate system and datum your "known" values are in. I'm not very familiar with Canadian systems, but I know they have...

I keep taking shots until I get 2 shots in a row of close measurements. Two in a row isn't a good criterion. Getting a majority that agree closely...

I don't care if a setup or two had a short backsight, as long as we turn enough sets The problem isn't just reading the angle-that may be quite acc...

Their E-W position should be essentially the same whether they proportioned using GPS or TS distances. Their labeling may not be the surface distance....

How much is a lot?

@minshawy2003 There is always more than one way to skin a cat...