Maintained by: DTU Space, National Space Institute, Technical University of Denmark.

Summary of Data Held:

Digital data: Geomagnetic indices Kp, ap, PC. Note: Hourly values and 1 minute values from geomagnetic observatories were transferred to WDC Edinburgh in 2007.

Analog data: Normalrun magnetograms, geomagnetic hourly values, rapidrun magnetograms, geomagnetic indices, lists of special events, Earth current data. The geomagnetic data holdings include data from 406 observatories mainly from the IGY (1957) onwards, also data from the Second Polar Year, 1932-1933. Most data are held as microfilm, microfiche, publications and sheets.

User Services: The WDC is open to visitors, who have access to its facilities. catalogue of data holdings available on home page. Geomagnetic indices Kp, ap and PC, are available through ftp linked from home page.

Data Products, Publications: PC index. Data catalog in joint WDC-Europe catalog UAG-92.