All Rights Reserved. Please see the source code for details. In general, the correction has proven valid and stable. Indeed, the lack of evolution of the problem may in itself be a further clue as to its nature. It is possible that the problem was present as early as July 1996.
Engineering plans to replace the central bearing are in progress.
The welding of the track joints was completed on June 05. Since then, and particularly before and after a central bearing load adjustment in August, regular inclinometry measures of the track have kept that part of the pointing model updated. Regular inclinometry helps to maintain this part of the model.