I always offer the choice to the superintendent. As far as I can remember they always chose the column to be plumb even if slightly out of position. T...
Posted by: voidintheabyss Don't resection points in the same quadrant.?ÿ Small angle between points could be ok if you're not far away from one of the...
Posted by: Dave Karoly I do 4 sets' doesn't take very long because it's automatic. You use Leica I believe Dave? Do you use measure sets application? ...
Posted by: ps8182 I have used many different brand/models of robots over the last 20 years and almost all of them required a D&R to get good resul...
Posted by: roger_LS Jim Frame Thanks for the info on this thread. You have me re-thinking things here.?ÿ I sometimes do resections off record calcs ju...
Posted by: party chef @squowse Being from Europe, is it true that you guys still use Angle Only on a regular basis? I heard that this was the case in ...
Posted by: Bill93 The angle may be thought of as giving the distance perpendicular to the line connecting the reference points.?ÿ If those three dista...
Yeah they all say that! The instrument compensates, but only to it's know parameters. Do a calibration, then repeat 1 minute later, 1 hour later, 1 da...
If you work within the polygon formed by the control points, that you have (good) measurements to, then you should be good to the same level of accura...
Posted by: Lee D redundant observations. Anyhow, these days the processing software (the one I use, anyhow) is so good that it handles data well that ...
ha! the sx10 could be ideal for what I am trying to do but the resolution of the telescope?ÿ camera is just too low. also the price is a lot more than...
The scope camera looks a bit builky amd the images are for processing by the computer so the small raspberry pi one is ideal. Maybe I could use it as ...
Thanks Richard but I want to sight through the scope and turn both faces
Posted by: paden cash The eyepiece is a necessary component of the instrument's telescope.?ÿ Simply put; you remove the eyepiece - you remove the upri...
Posted by: Bill93 Your camera would have to focus to very close range and it probably doesn't without help.?ÿ An eyepiece has an effective focal lengt...
Have you not tried turning it on it's side 😉
Leica circular prisms mounted on spigots are also pretty good (near nodal) and can be rotated to point in any direction whilst keeping the same point....
Leica circular prisms mounted on spigots are also pretty good (near nodal) and can be rotated to point in any direction whilst keeping the same point....
To reliably measure movement of 0.001ft (0.3mm to me!) would realistically require precise (digi these days probably) level runs. The refraction invol...