Jungfraujoch IGY, Switzerland

The detector is housed on top of the Sphinx Observatory Jungfraujoch. The operation of the neutron monitors is supported by the Physikalisches Institut of the University of Bern and by the International Foundation High Altitude  Research Stations Jungfraujoch and Gornergrat (HFSJG), CH-3012 Bern, Switzerland.


DetectorStandard 18-IGY neutron monitor
(3 units of 6 counters)
Geographic latitude46.55° N
Geographic longitude7.98° E
Altitude3570m asl
Effective vertical cutoff rigidity (Epoch 2010.0)4.5 GV
In continuous operation since1958

Detailed station information

The custodians at the high altitude research station remove the snow at least once a day (usually in the early morning), if there is snow on the roof or around the detector housing. Snow removal and incidents as strong wind at Jungfraujoch are noted in a journal.

Conditions for Use of Data

  1. You agree to achnowledge providing of the data in any published use of the data.
    Example: “Jungfraujoch neutron monitor data were kindly provided by the Physikalisches Institut, University of Bern, Switzerland”
  2. You agree to send a copy of any paper using these data to:
    Rolf Bütikofer
    Physikalisches Institut
    University of Bern
    Sidlerstrasse 5
    CH-3012 Bern / Switzerland
  3. Commercial or industrial use of the data is prohibited without previous agreement with the PI of the station (see name and address above)
  4. You may share these data with colleagues, provided you inform them of these conditions.