Scott Ellis, post: 397654, member: 7154 wrote: You made a mark on what may or may not be the southeast corner, for him to build a fence along his boun...

The existing fences border different landowners. The land all around the dot I painted for the missing corner is his. The distances of the four sides ...

The R8-2's are awesome. We have had two rovers running 10-12 hours a day every day for the last 3 weeks straight. I have owned them about 2.5 years an...

Paul in PA, post: 381223, member: 236 wrote: What are those three CORS? Any set of coordinates in the right area can be used for multiple base observa...

It has been over 105 actual temp here everyday this week. Brutal. We have been starting work about 30 minutes before sunrise and taking off at noon. M...

I have a clear view of sky. It is basically in a farm field and flat as a pancake. I sent in a couple data sets and the CORS sites used are 9.8 miles,...

Ok - thanks. I have already collected three five hour sessions because that is how long my internal batteries last and I didn't drag out the deep cycl...

Thanks guys for the explanations. We are using a predefined coordinate system (SPC).

MathTeacher, post: 363116, member: 7674 wrote: Which is 2 parts per million or about 1 foot in 95 miles. I messed up the calculation; thanks for corre...

Elevation from where? I have been around a bunch of water wells and there isn't a really exact consistent place to measure the elevation that precisel...

Last year I was doing some surveying in Miami for a environmental project for the city. We had to paint over a thousand marks in the city's right of w...

Thanks guys.The GIS uses data of various sources and reference frames. Basically any time anything is loaded into it a window pops up asking about dat...