User name R. Michaels
Log entry time 04:12:55 on October 2,1999
Entry number 27428
keyword=Fast Feedback jumps
Both we and MCC have noticed in the past hour that
fast feedback causes occasional jumps in the beam
position of order 0.5 mm. Then it corrects itself.
Not too big, but it may actually be worse than having
FFB off. Someone should decide.