@bill93 Actually he did mention somenthing about the expansion and contraction of  steel with the temperature,  but  how would you put ...

@sireathThe surveyor hired by the owner was ultimately responsible for all anchor bolt locations and he was also asked to produce an as built report. ...

A geocom licence is required to use a third party software/ hardware with your Leica instrument.

If you don't want to spend an arm and a leg on a good robot, buy a Leica TCRP 1200 , not the "+ "series, 3"or less. It has great reflectorless range a...

I've done it with stick-on targets placed centered on one face of the column , top and bottom and using the reflectorlees (narrow) beam to measure to ...

@fobos8 Shots to prisms use a different beam, a wide beam and they should not be affected by the laser pointer's missalignment.

I believe you have a misaligned beam and by that I mean the narrow laser beam that is used to take the reflectorless (DR) shot is not aligned wit the ...

For tilting axis calibration, find a grain of quartz small enough on the ground around you, maybe 6' away from the instrument (that will give you the ...

Geomax Zoom 90 works perfectly with Carlson Survce and Survpc. About batteries , I have?ÿ Leica GEB 222 and I get a day and a half of use out of it.?ÿ...

Rain drops on the lens/prism affect the ATR and the distance measurements from my experience with Leica TPS 1200 robots. I had 8 to 10mm errors in poi...

I have a Geomax Zoom 90 with X-Pad and SurvCE onboard.?ÿ About creating shortcuts with F7- F12 keys, this is the answer I got from Geomax when I asked...

I was advised by my Leica tech to always do a 2 face reading when shooting reflectorless due to possible minor missalignments of the laser beam with t...

20+ years ago I was in your position , not as a GC , but as a concrete contractor . I couldn't afford to hire a full time layout person, so I decided ...

I have 2 Leica Geb222 6Ah batteries. I get 1 full day of work from one battery. I also use it on a Leica TPS1200 robot with same results. It charges o...

The Zoom 90 and the Archer 2 DC are sold as a combo by Carlson to this day.?ÿ I was just trying to compare the speed only of an obsolete instrument an...

I just wanted to share my recent experience with RH 16 and Parani SD1000. I have a Tps 1200 robot that I used to control with a Parani and serial cabl...

Thank you all for your replies. I think I'll wait for a deal on a used Topcon or Sokkia.