On March 27, 2001, the following updates were placed into operations:
- NOAA-15 AMSU-B RFI biases
- NOAA-15 yaw correction of +0.3 degrees and clock correction were
turned on for all instruments
The first orbits processed after the change are:
NSS.HRPT.NK.D01086.S1635.E1647.B1492020.GC