# Diurnal correction formula

geosoftdehispa Posts:

**34** in Oasis montaj

What's the formula used for Geosoft Oasis Montaj to calculate the diurnal correction?

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geosoftdehispa Posts: **34**

in Oasis montaj

What's the formula used for Geosoft Oasis Montaj to calculate the diurnal correction?

0

This discussion has been closed.

337modWith channel math you would use the following expression or formula:

C0 = C1 - 50000

C0 = diurnal correction

C1 = base station readings

5000 = this is a constant and can be replaced with your own established base station value

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Community Manager34337modCommunity Manager34337modCommunity Manager34Exist a way to calculate the absolute value of the magnetic field at my base station.