i agree with the elevation.. the way I personally do my layout is if elevation is critical (top of concrete and anchor bolt elevation at this stage in...

Yes, we use the Crain Trimax. To try to narrow it down I am currently Set up using a much heavier set of legs by sitepro that I usually only use for t...

thanks a lot guys, I'll be sure to check all of these things tomorrow.

makes me wonder if it's the gun itself. I was just looking at the s7 last night

sounds good, thanks for the help. I'll trying everything over the next few days.

Initial backsite on this particular control always checks under 0.005. I'll then even go as far as to stakeout the same point and note my errors. (usu...

I actually called my Trimble rep and he didn't have an answer. It was calibrated by keystone precision about 6 months ago as well. The work I'm curren...