FL/GA PLS., post: 361411, member: 379 wrote: About North, I‰Ûªve lived in the same house for 18 years and know where North is but I still can‰Ûªt beli...

Steps to get started? Too many people need a 12 step program to get off.

Nate's cut off tree method isn't top secret. It's mentioned in the mystery Mayhem in the Catskills by Van Valkenburgh a couple decades ago.

eapls2708, post: 361164, member: 589 wrote: One guy in the area uses some kind of copper sleeve that bonds to the top inch or so of the outside of the...

Does this mean the PACS and SACS are already on a GPS plus geoid model for a vertical datum? So they don't relate directly to the old NAVD88 leveled ...

Brian Allen, post: 361180, member: 1333 wrote: if we only could get the land owners to be able to see, feel, and use those static GPS coordinates I w...

Nate The Surveyor, post: 361154, member: 291 wrote: I have no idea how to get on NAD 27. McEntyre's book Land Survey Systems gives examples, and was ...

This is sort of related to the discussion of backsight distance. Some years ago my brother was speculating on what an object (A) on his horizon might ...

A rough guide isangle error = angle measurement error + arctan(centering / sight distance) If you can center to 0.01 ft and shoot 200 ft the centering...

bobwesterman, post: 360780, member: 7106 wrote: Have you seen this?Description of the solar compass Thanks. I didn't have that one. I think it is ...

Bill93, post: 360513, member: 87 wrote: Ok, with all the nostalgia, let's see if anyone recognizes this. There once was a time I had it memorized. Ap...