The following primary data are archived and available for download direct from WDC-MARE/PANGAEA:

All Bouys:
http://www.pangaea.de/search?q=AWI_seaice+drifter

Only bouys in  theAntarctic:
http://www.pangaea.de/search?maxlat=-60&q=AWI_seaice+drifter

Only bouys in the Arctic:
http://www.pangaea.de/search?minlat=+10&q=AWI_seaice+drifter

Laser:
http://www.pangaea.de/search?q=AWI_seaice+laser

EM:
http://www.pangaea.de/search?q=AWI_seaice+EM

All 
http://www.pangaea.de/search?q=AWI_seaice

Expedition/Campaign data

Shipborne measurements during expedition ARK-IX/4, R.V. Polarstern
http://www.pangaea.de/search?q=AWI_seaice+ARK-IX/4

Shipborne measurements during expedition ARK-XVII/2, R.V. Polarstern
http://www.pangaea.de/search?q=AWI_seaice+ARK-XVII/2

Airborne measurements during campaign GreenICE2004
http://www.pangaea.de/search?q=AWI_seaice+GreenICE2004

Helicopter-borne measurements during campaign IRIS2003
http://www.pangaea.de/search?q=AWI_seaice+IRIS2003
...

See also

http://www.pangaea.de/search?q=AWI_seaice+track
http://www.pangaea.de/PHP/SeaIce.php?B=PS&C=PS66&S=PS66_02)