Last revision July 27, 1998

TJD 10983, 10985, 10991 = June 19, 21, 27, 1998

At  TJD/SoD = 10983/71859,  the burst (really trigger) readout
schedule was changed, primarily to put STTE before TTE.
One of the parameters used to restart the TTE board was not set
properly so that all TTE data for triggers after the first one
following the schedule change were invalid until later commands
were sent.  This interval included triggers 6856-6860.

An attempt was made to fix the problem at  TJD/SoD = 10985/64884;
this was only partially successful in that the TTE boards were 
restarted properly after a long readout but were not restarted
after a short readout.  Because there were some long readouts
during the interval before later commands were sent, only some
triggers have invalid TTE data.  The triggers with invalid TTE data
in this interval included 6861,6864,6867-6871,6877,6880-6882.

(Trigger 6874 overwrote 6873 during the STTE readout [so there was
no TTE file for 6873], but it is believed that the TTE data in the
file with no. 6874 are valid for 6873.)

The commands to finally fix the TTE problem were sent at
    TJD/SoD = 10991/54947.

In summary, the TTE data are invalid for the triggers:
  6856-6861, 6864, 6867-6871, 6877, 6880-6882.
Because of the overwriting, it is believed that the TTE data in the
file with no. 6874 are valid for 6873.