Gravity meter??ÿ I don't think they will get what we usually call "elevation" without one, because I doubt they will run a level line up and back.?ÿ...

It looks like it has all the functionality of DSWORLD.?ÿ Is that application now obsolete?

I would hope all professionals and their crews were above that kind of cheating.?ÿ And if someone would rather sit in the truck and dry-lab the return...

When I saw the subject I immediately thought of this M.C. Escher piece

The addition or cancellation of errors depends on the instrument locations. If every setup exactly balances the backsight and foresight distances?ÿ th...

When you look at flagging that has been in the weather for several years and it isn't quite white, and isn't already crumbled, you know it isn't rapid...

That's about what my plot shows, only a little larger because I probably used a little larger prism. Posted by: @john-nolton Remember that Bill is...

I call it auto-incorrect.

In going through the Leica paper linked at SURVEYEQUIPMENT.COM I notice that Figure 17 shows a wide range for angle of incidence. I tried a mini prism...

The poster's profile says he is in Algeria, so US-centric answers about NAD83 and 2022 aren't going to help much. The table here would indicate that ...

Maybe for some things, but there was a lot of mainframe computer time also.?ÿ A huge list of orbits and trajectories had to be pre-calculated and they...

In about?ÿ 1973 or 1974 I worked in a group that had a computer with 8 kilobytes of RAM and ran at 0.1 MHz. The unit was in an aircraft equipment styl...