8 
ftp://ftp.bsh.de/outaoina/wna 
The following list shows some additional selected links providing Wingst data: 
Intermagnet (variations): 
http://www.intermagne.bgs.ac.uk/cgi-bin/imagform 
RWC Brussels (indices): 
http://sidc.oma.be/products/wng/index.php3 
WDC Kyoto (pulsations): 
http://swdcdb.kugi. kvoto- u. ac. j p: 80/f i I m 
WDC Copenhagen (variations): 
http://web.dmi.dk/fsweb/projects/wdcc1/obs.html 
Address for data reguests, data exchange and information: 
Erdmagnetisches Observatorium 
Am Olymp 13 
D-21789 Wingst 
Phone: +49 4778 812110 
Fax: +49 4778 812150 
E-mail: guenter.schulz@bsh.de 
Collaborators: I. Gentz, W.D. Grube, J. Traeger (f) and H. Wildt.