New site and tripod setup description
From GeodesyLab
pre-existing site | new site |
extend tripod legs equally to chest height. | same. |
adjust tribrach knobs to reference line. | same. |
fasten tribrach onto middle of the tripod head. | place entrire tribrach/optical plumb on tripod. |
use tribrach to position tripod correctly over marker by satisfying the following 3 conditions:1. bulls eye level bubble is level |
spread tripod feet out @ 1 m separation and locate them so that tribrach is level. |
With leg clamp loose, stomp tripod feet firmly in soil (stabelize with rocks if necessary) | same. |
roughly level tribrach again by adjusting tripod leg length. | same. |
attach optical plumb to tribrach and focus 2 things:1. focus large knob on marker |
same. |