I have faced with a problem at site surveying by Leica TS11, no traverse are created but reading change points with 1-4 mm horizontal accuracy the area are about 20Hrs,
the problem is when i come back surveying the site to the start location the objects and change points reading again show about 20-70 cm relocation!!! I do not know how it happened and the surcease as well how to solve it now???
any solution way will be appreciated and welcomed.