Year = 1998 Month = March Day = 20 Day-of-year = 079 Site = Poker Flat Sunrise = 15:54 Sunset = 04:00 Moonrise = 12:16 Moonset = 18:27 Moon_age = 22 Aurora = Quiet - Arcs clearly visible, but remained north of zenith Cloud = Variable, but generally poor Magnetometer = Quiet ASC = Long moondown, ran OK MSP = Ran all night but 4278 channel failed VHF_radar = Good data coverage for the entire 24 hours Electrojet = Unknown SDI = Ran all night, unusable data Bomem = No data MSG = No data Trailer = No data UW_FPI = Ran all night, good data Stratosperic_lidar = Unknown Rayleigh_lidar = Unknown Resonance_lidar = Unknown Ebert = No data Comments = Entry at 18:30 UT, MC. Magnetometer "quiet" designation is based on darkness period. Since dawn the traces have been "disturbed". SDI data is hopeless- actually, the SDI phase map was bad. The SDI problem was traced to the shutter failing open! No damage but. Updated, 03-24-98, 4:00 UT, MPK.