Bill93, post: 413172, member: 87 wrote: I think the math is ok. But the distance you should be calculating with is the height above the ground mark. ...

Are all these techniques assuming a tribrach with an optical plummet? What procedure is used for tribrachs without the plummet? If my total station ha...

flyin solo, post: 411566, member: 8089 wrote: They are shooting some stuff, whether it represents an increase in in-housing or not, I don't know. Talk...

Jason Graves, post: 411376, member: 9531 wrote: Would it not be with the time and money to rent a base and receiver? There are places that will ship t...

Bow Tie Surveyor, post: 410424, member: 6939 wrote: I am not a pilot and I did notice that I do have a testing center in my city. I'm just looking for...

Bow Tie Surveyor, post: 410417, member: 6939 wrote: Has anyone out there gone through a Part 107 Remote Pilot Certificate training program to prep for...

Mike Marks, post: 409809, member: 1108 wrote: The cat's meow back in sunshot days was a roeloff's solar prism. No need to sight the edge of the sun a...

mrewenmacdonald, post: 409036, member: 11707 wrote: I was wondering how you might tackle such a problem as this? Static in primary control points to v...

Larry Scott, post: 409415, member: 8766 wrote: Static Gps, using 2 or more receivers, long obsevation, and baseline (phase differential) processing, r...

Nate The Surveyor, post: 409330, member: 291 wrote: Just a few ideas. Get about 10 L1-L2 modern GPS units.Set up concrete pillars, in locations, where...

mrewenmacdonald, post: 409036, member: 11707 wrote: Primary control but it is so far away that it is no good to me here. the thing is that with the am...

Brian McEachern, post: 408612, member: 9299 wrote: Recently one of our data collectors kicked the bucket.!What are you going to do with the old one? S...

Paul in PA, post: 408141, member: 236 wrote: NO! You still have a lot to learn about surveying.Paul in PA Completely true indeed, but I'm unsure what...

half bubble, post: 408118, member: 175 wrote: Sometimes one too many "freed" observations or one too many "fixed" will do that. Is there something you...

Bill93, post: 407972, member: 87 wrote: Hard to say without seeing the network, but if I were to guess, I'd say some point needs another measurement t...

RoadBurner, post: 407192, member: 6168 wrote: I see declination and RA, but no GHA. What am I missing? The GHA isn't found in found in the ephemeris;...