H-IIA, F4 Daily Report, 12-12-2002
Launch preparation for the Advanced Earth Observing Satellite-II
(ADEOS-II)/H-IIA Launch Vehicle No.4 (H-IIA F4) now moved onto the Y-1 (L-1,
or one day prior to the launch day) operations. Today’s Y-1 (L-1) countdown
operations started at 6:00 a.m.
Reception of radio frequencies (telemetry and data through radars)
transmitted from the launch vehicle to ground facilities was verified, and
propulsion systems such as engines were functionally confirmed. The doors
through which operators make access to the launch vehicle were closed to
complete all work which required to directly contact to the vehicle.
ADEOS-II was powered up to verify its equipment functions. The total number
of Y-1 countdown operators reached 617.