An observation consists of a varying number of these major-frame records. The name of the spacecraft target, please see notes. 131 empty byte 132-137 Z axis DEC Dec. in degs. This set of LAC data files contains quicklook data dumps of all the LAC observations. The files are records that contain uncorrected broad-band count rates in one of three telemetry time intervals.
Number is year, month, day, orbit, half-hour of day.
Major frame number within the observation. SHF key of the start of the record in seconds since 1 Jan 1980. Rate of telemetered data. See LAC MODE for more information. 31.3 ms 4 detectors combined MPC1 is mainly to study spectra of faint sources.