May 01 2003 Shipt Report
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SCS107 ran on Chandra at 2003:120:23:37:13, due to RADMON high
radiation trigger (for unknown EPHIN channel at this time).
Chandra was approaching radiation belts, but 107 trip was 11
hours before perigee and 2 hours before nominal RADMON disable.
SCS107 ran nominally and SIs are correctly safed. Current
attitude is good for several days. Momentum (current and
extrapolated into the future) is good.

Radiation Discussion:

A discussion of radzone entry and exit times was held. We have had two SCS107 trips in last two weeks, 
both due to radzone entry timing issues. We decided to disable radmon earlier for a couple of
weeks while we sort this out. We will add 3 hours of radmon disable padding to the May 1 
load to help ensure that we do not have a trip just prior to radmon disable. For the 
MAY05 and MAY12 loads we will disable radmon 11hrs and 15mins prior to perigee (fixed time).