At 11:05 AM 7/29/97 -0600, you wrote: >Thanks Philip, I assumed you would answer this question. Since >it is 3-axis stabilized, why would it exhibit characteristics >associated with spinning/tumbling? Perhaps they use momentum wheels for stabilization, mainly and have [presumably on a scheduled maintenance basis] taken the satellite out of service while they slowly spin( using gas jets) it to dump the angular momentum of the wheels/gyros? Tony Beresford