Monthly FOS Trending Report:  Day 96.001:00:00 - 96.028:23:59

                                             Cycle Summary

                        This Period    Total Since Launch     Design Lifetime
                        Cycles Hours     Cycles  Hours*       Cycles     Hours

           SAFE            0    0.00       35   2193.31        n/a        n/a
           HOLD          n/a  249.30      n/a  25104.88        n/a        n/a
          Red LV           7  193.18      742   8334.05         ~          ~
         Blue LV          10  229.52      759  10434.15         ~          ~
          Red HV          14   79.44      969   4909.38         ~          ~
         Blue HV          20   85.08     1094   5101.49         ~          ~
        Cal lamp A        25    0.29      857     29.91         ~      500 hours
        Cal lamp B        55    0.94     2297     43.30         ~      500 hours
        Taled/Ion          2    0.11     6380    213.68         ~          ~
        Ent Door         166    n/a     11265     n/a         20000       n/a
        Apt Wheel        109    n/a      5624     n/a       30k (90deg)   n/a
           FGW           132    n/a      9873     n/a       54k (90deg)   n/a
        Pol Wheel        200    n/a      2882     n/a      100k(22.5deg)  n/a
 Red anomolous uP resets   0    n/a        1      n/a          n/a        n/a 
 Blue spurious uP resets   1    n/a       63      n/a          n/a        n/a
Blue anomolous uP resets   0    n/a        1      n/a          n/a        n/a


                                    Voltage and Current Summary  (This Period)

                                  Low Limit Minimum  Average  Maximum High Limit

Red side Logic Supply (Volts)        4.83     4.87     4.92     5.00     5.03
Red side Quiet Supply (Volts)        7.80     7.84     7.97     8.05     8.20
Red side High Voltage (KVolts)        ~      21.47    21.86    21.86      ~
Red side High Voltage Cur (uAmps)     ~      22.75    23.23    23.53      ~
Red  Discriminator Voltage (Volts)    ~       4.08     4.11     4.12      ~
Blue side Logic Supply (Volts)       4.87     4.93     4.95     5.00     5.07 
Blue side Quiet Supply (Volts)       7.80     7.95     8.04     8.11     8.20 
Blue side High Voltage (KVolts)       ~      21.37    22.78    22.84      ~
Blue side High Voltage Cur (uAmps)    ~      21.27    22.78    23.24      ~
Blue  Discriminator Voltage (Volts)   ~       4.00     4.26     4.92      ~
Calibration lamp A voltage (volts)    ~     208.35   210.83   212.32      ~
Calibration lamp A current (mAmps)   8.00    10.41    10.44    10.47    12.00
Calibration lamp B voltage (Volts)    ~     208.35   208.79   212.32      ~
Calibration lamp B current (mAmps)   8.00    10.41    10.41    10.47    12.00


                                           Miscellaneous  Summary

                              This Period      Since Launch^
                             Max     Total     Max     Total   Max Lim Total Lim

Red Tot Accumulated Counts 2.93E+07 2.90E+08 4.03E+08 7.74E+10 1.20E+08 1.00E+15
Blu Tot Accumulated Counts 6.73E+07 5.02E+08 9.54E+07 9.11E+10 1.20E+08 1.00E+15
   Overlite Red SAA        1.13E+07 5.12E+07 2.69E+08 2.80E+09 1.20E+08   n/a
  Overlite Blue SAA        6.23E+06 3.06E+07 3.75E+07 1.03E+14 1.20E+08   n/a


                       Detector Dark Count Summary (This Period)

                                                                New Bad Tot Bad 
                   Max (Cnts)  Avg (Cnts)  Std. Dev. Time (hrs)  Chnls   Chnls
Red Dark Counts     1.84E+03    3.52E+02    151.87     24.35       0      16
Blue Dark Counts    1.96E+03    2.33E+02    121.70     26.47       0      26



Limits defined as nominal operating limits, not action or health and safety limits.
~  Engineering Data Analysis not fully defined at this time.: n/a Not Applicable
*  Total hours since Nov 1,1990 only
^  Total since April 1, 1991 only. 


              Table FOS-T1: January 1996 Cycle and Voltage Summary