Cosmic Ray Station

of the University of Oulu / Sodankyla Geophysical Observatory 
Oulu NM
CR Modulation
CRII
Data info (readme)
GLE
solar/geophys
Links
Contacts
News
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Real-time Oulu NM count rate, updated every five minutes. Data for the last 24-hr is PRELIMINARY
. Cosmic ray database since April 1964 Description (pdf-file)
(1-min since 1996, 5-min since 1968, 1-h since 1964, 10-sec since 1990 upon requests) - see readme file

"Corrected data" in the datasets are adjusted for both barometric pressure and efficiency.

Online query

Start date:         
End date:         
Resolution:
Download as file:
Generate chart:

News ! Power break from 26.08.2014 23:40 till 27.08.2014 00:22UT. Read News

  Current solar Status and geomagnetic conditions Status

Some useful links

Publications using Oulu NM data

Managed by: Ilya Usoskin send data requests and all kind of comments to Ilya.Usoskin at oulu.fi
Oulu NM
CR Modulation
CRII
Data info (readme)
GLE
solar/geophys
Links
Contacts
News