TITLE: GCN GRB OBSERVATION REPORT NUMBER: 555 SUBJECT: BATSE GRB trigger criterion changed DATE: 00/02/14 21:02:49 GMT FROM: Charles Meegan at NASA/MSFC C. Meegan (NASA/MSFC) reports for the BATSE team: The BATSE on-board burst trigger algorithm was revised at 20:32 UT on February 14 to include counts in channels 3+4 (>100 keV). We currently plan to remain in this configuration for several months.