This page is a mirror of the ION SADS page available at http://sads.cnes.fr:8010 . Besides the information already available on this page, there you can browse the ION QuickLook images. ... The ION experiment flown on the Interball-Aurora mission performs simultaneous ion and electron measurements. Two mass spectrometers looking in opposing directions perpendicular to the satellite spin axis, which points toward the sun, measure ions in the mass and energy ranges 1-32 amu and ~ 0 to 14,000 eV. ...