Potential Gradient

Name
PG
Date from
!Please note that if no Date to: appears below, the measurements are ongoing!
Time resolution
1 Minute
Instrument manufacturer
Boltek EFM-100 field mill
Data type
in-situ
Location of measured variable
ground
Other info

1963-march 2013 data were measured with a radioactive probe. 2008-now data are measured with a Boltek EFM-100 field mill. Data resolution 1 sec and 1 hour.