****************************************************************************** DORIS Electronic Mail Tue May 26 10:15:38 WETDST 1998 Message Number 0041 ****************************************************************************** Author: Murielle Costes (CNES) Subject: SPOT2 incident (April 8- April 17, 1998) On wednesday 8th of april, SPOT2 turned to survey mode, because of an operating error. As usual in survey mode (on SPOT2), the DORIS on-board instrument has been switched OFF. After satellite recovery, DORIS has been switched ON on tuesday the 14th of april. The software has been uploaded (necessary for DORIS/SPOT2) on wednesday the 15th. The major incident procedure has been received and executed succesfully, and on thursday the 16th, DORIS was in ATTente mode. The synchronization has been made on friday the 17th. The instrument was in its nominal measurement mode VITesse on monday the 20th. The consequence is that no DORIS measurements have been made between tuesday the 8th and thursday the 16th of april. Sine then, no other incident occured. Muriele Costes - DORIS System Manager ---------------------------------------------------------------------- Pascal Willis ---------------------------------------------------------------------- Institut Geographique National ENSG/LAREG Phone: 33-(0)1-6415-3254 6-8 Avenue Blaise Pascal FAX: 33-(0)1-6415-3253 Cite Descartes, Champs-sur-Marne Email: pascal.willis@ensg.ign.fr 77455 Marne-la-Vallee, France WWW: http://lareg.ensg.ign.fr ---------------------------------------------------------------------- [Mailed From: Pascal Willis ]