Plotted entries from OPSLOG files in AMBER report BPOS_LAMP_XY, plot 4, data set YA_ops:

DATE       MJD-OBS      parameter values
==========================================================================
2008-11-10 54780.398933 0.	YA_ops
2008-11-11 54781.404128 0.	YA_ops
2008-11-11 54781.905187 128.608810424805	YA_ops
2008-11-12 54782.353076 136.949935913086	YA_ops
2008-11-12 54782.933547 0.	YA_ops
2008-11-13 54783.912043 0.	YA_ops
2008-11-14 54784.736921 0.	YA_ops
2008-11-15 54785.325819 0.	YA_ops
2008-11-16 54786.313056 0.	YA_ops
2008-11-17 54787.334406 0.	YA_ops
2008-11-17 54787.917211 0.	YA_ops
2008-11-18 54788.309545 0.	YA_ops
2008-11-19 54789.519674 0.	YA_ops
2008-11-20 54790.372667 0.	YA_ops
2008-11-22 54792.536949 0.	YA_ops