Year = 1999 Month = March Day = 20 Day-of-year = 079 Site = Poker Flat Sunrise = 15:55 Sunset = 03:59 Moonrise = 17:07 Moonset = 07:25 Moon_age = 3 Aurora = Active - One or more breakups occurred Cloud = Variable, but generally good Magnetometer = Disturbed ASC = Long moondown, ran OK MSP = Ran all night on all channels VHF_radar = Good data coverage for the entire 24 hours Electrojet = Good data coverage from real-time calculations SDI = Ran all night, good data Bomem = Unknown MSG = Unknown Trailer = Unknown UW_FPI = Unknown CRL_NF_FPI = Unknown CRL_AS_FPI = Unknown Stratosperic_lidar = Unknown Rayleigh_lidar = Unknown Resonance_lidar = Unknown Ebert = Unknown Comments = SDI data look nice. Interesting shear in the evening. ASC and MSP show cloud later in the night, and the SDI data look like they may have been cloud contaminated between roughly 1130-1313. MC, 07-Apr-1999.