John Hamilton, post: 351456, member: 640 wrote: I have often wondered what modern day surveyors would do if GPS went down. I think many have become so...

I'm reposting one of my old posts, which I was reminded of by the discussion of identifying original corners: I have a clipping somewhere from the hom...

They made several versions; some look up, down, and level and some provide fewer options. From Scott Z's comments I think he's cornered the market o...

eapls2708, post: 351240, member: 589 wrote: I hope that the states that had it have kept it in place and continue to do so. I wish CA had a 3 strikes ...

Jim Frame, post: 351253, member: 10 wrote: his response was that their tests indicated that the spikes settled back to the same position after a trai...

not my real name, post: 351244, member: 8199 wrote: It is not. Using the same turning points could be construed as cheating. In what way would it be ...

Mike Marks, post: 351089, member: 1108 wrote: Just to simplify, imagine the least count of the instrument is one foot. The turning point is 0.6' highe...

You will undoubtedly have different HI on the way back, so that takes care of the correlation of least counts. If a TP settles in the time between for...

I just now submitted to OPUS-S and got a report within a minute.

Paul in PA, post: 351051, member: 236 wrote: A double run does not improve your accuracy, it only shows if you have any accuracy at all. If the dou...

Straight line works well IF you use a string or straight edge (folding rule?) between the offset points. Not so well if you have to eyeball the line...

Straight line works well IF you use a string or straight edge (folding rule?) between the offset points. Not so well if you have to eyeball the line...

Straight line works well IF you use a string or straight edge (folding rule?) between the offset points. Not so well if you have to eyeball the line...

Andy Nold, post: 350952, member: 7 wrote: Not sure the somebody else has sufficient knowledge of how I determined the boundaries to be able to legally...

If you are worrying about a fraction of a millimeter, I'd be very concerned about whether the foot rests on the mark in the same manner as the rod use...

A Harris, post: 350956, member: 81 wrote: The condition and setting of the foot of the rod is where most leveling errors begin.:gammon: Could you ex...

Isn't the spec mm per square root kilometers? So if it's 2316 ft, your spec standard deviation would be sqrt(0.706) = 0.84 mm = 0.0028 ft and your me...

A search will find many a bar or restaurant in the vicinity of an aquatic impoundment with the claim to be the "best by a dam site."