NSSDCA ID: SPHE-00244
Availability: At NSSDC, Ready for Offline Distribution (or Staging if Digital)
Time span: 1967-05-24 to 1969-05-03
This experimenter-supplied data set consists of electron, proton, and heavier particle count rate data on 7-track, 800-bpi, GE 635 binary magnetic tapes. Data set 67-051A-01D contains an IBM 7094 binary version of these data. Experiment data records and ephemeris records are interspersed on the tapes. The data records are made up of 10 36-bit computer words, with each word being further broken down into integer numbers of specified meanings. Data for one experiment sequence (10.23 s) are found in one record and include time (UT), spacecraft clock data, counts for each of the five registers for one sensor coincidence mode, and data quality flags related to the noisiness of bit transmission. The ephemeris records consist of 20 36-bit words, 19 of which are floating point. Ephemeris records occur once each 1- or 10-min interval according to whether the spacecraft radical distance is less than or greater than 42,000 km. Ephemeris data include spacecraft radial distance, geographic latitude and longitude, inertial ecliptic declination and right ascension, GSE and GSM Cartesian coordinates, and B and L. There are no data gaps lasting longer than 24 h. There are 4 gaps of more than 6 h, and 14 gaps of more than 2 h over the 2-year period covered by the data.
Questions and comments about this data collection can be directed to: Coordinated Request and User Support Office
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