# block calculation on JAG3D

*"I'm sorry, but I don't know the term block calculation. Can you explain the term?"*

Bulk calculation is to perform a calculation for several theodolites with common sensors that will stabilize the topographic network and allow a better determination of the coordinates of all the sensors.

*"Okay, you have to import the observation data from both instruments. Moreover, you have to import/define (approximation) coordinates of the reference points and the new point."*

I tried this, but I have very high ellipses of trusts.

I do not know if it comes from my observations or common sensors.

**Complete thread:**

- block calculation on JAG3D -
**Leslie**, 2018-04-13, 13:20- block calculation on JAG3D -
**Micha**, 2018-04-13, 13:51- block calculation on JAG3D -
**Leslie**, 2018-04-13, 14:16- block calculation on JAG3D -
**Micha**, 2018-04-13, 14:38- block calculation on JAG3D -
**Leslie**, 2018-04-13, 15:06- block calculation on JAG3D -
**Micha**, 2018-04-13, 15:14

- block calculation on JAG3D -

- block calculation on JAG3D -

- block calculation on JAG3D -

- block calculation on JAG3D -

- block calculation on JAG3D -