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In particular, the (highest possible quality at the time of release) corrected/converted \"Slow Survey SkyMap\" distributions are reported with time-stamps and other annotation characterizing the state of the instrument system at the indicated time."}]},{"Instrument_type":[{"0":"Plasma and Solar Wind"},{"1":"Particles (space)"}]},{"Mission_group":[{"0":"MMS"}]},{"Logical_source":[{"0":"mms4_fpi_slow_l2_dis-dist"}]},{"Logical_file_id":[{"0":" "}]},{"Logical_source_description":[{"0":"MMS Satellite Number 4 Dual Ion Spectrometer SlowSurvey-resolution instrument distributions"}]},{"Time_resolution":[{"0":"60 seconds"}]},{"Rules_of_use":[{"0":"See FPI Version Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) for rules of use."}]},{"Generated_by":[{"0":"FPI ITF, NASA/GSFC Code 673"}]},{"Generation_date":[{"0":" "}]},{"Generation_site":[{"0":" "}]},{"MODS":[{"0":"See FPI Version Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) for data set modification history."}]},{"LINK_TEXT":[{"0":"MMS home page"},{"1":"SMART package home page"},{"2":"Science Data Center"},{"3":"FPI overview"}]},{"LINK_TITLE":[{"0":"at GSFC"},{"1":"at SWRI"},{"2":"at LASP"},{"3":"at NASA"}]},{"HTTP_LINK":[{"0":"http://mms.gsfc.nasa.gov"},{"1":"http://mms.space.swri.edu"},{"2":"http://lasp.colorado.edu/mms/sdc"},{"3":"http://www.nasa.gov/mission_pages/mms/spacecraft/instruments.html#fpi"}]},{"Skeleton_version":[{"0":" "}]},{"Skeleton_revdate":[{"0":" "}]},{"Correction_table_name":[{"0":" "}]},{"Correction_table_rev":[{"0":" "}]},{"Energy_table_name":[{"0":" "}]},{"Dead_time_correction":[{"0":" "}]},{"Correction_table_scaling_factor":[{"0":" "}]},{"Quadrant":[{"0":" "}]}],"CDFVariables":[{"Epoch":[{"VarDescription":[{"DataType":"CDF_TIME_TT2000"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":"0000-01-01T00:00:00.000000000"}]},{"VarAttributes":[{"CATDESC":"Nanoseconds since J2000"},{"DELTA_PLUS_VAR":"Epoch_plus_var"},{"DELTA_MINUS_VAR":"Epoch_minus_var"},{"FIELDNAM":"Time tags"},{"FILLVAL":"9999-12-31T23:59:59.999999999"},{"LABLAXIS":"Epoch"},{"MONOTON":"INCREASE"},{"REFERENCE_POSITION":"Rotating Earth Geoid"},{"SCALETYP":"linear"},{"SI_CONVERSION":"1.0e-9>s"},{"TIME_BASE":"J2000"},{"TIME_SCALE":"Terrestrial Time"},{"UNITS":"ns"},{"VALIDMIN":"1990-01-01T00:00:00.000000000"},{"VALIDMAX":"2099-12-31T23:59:59.000000000"},{"VAR_NOTES":"MMS4 FPI/DIS Slow Survey data begin-time; derived from packet time."},{"VAR_TYPE":"support_data"}]}]},{"Epoch_plus_var":[{"VarDescription":[{"DataType":"CDF_REAL4"},{"NumElements":1},{"NumDims":0},{"RecVariance":"NOVARY"},{"NumWrittenRecords":1},{"PadValue":-1.0E+30},{"BlockingFactor":1}]},{"VarAttributes":[{"CATDESC":"MMS4 FPI/DIS epoch plus var"},{"FIELDNAM":"MMS4 FPI/DIS epoch plus var"},{"FORMAT":"F4.2"},{"SI_CONVERSION":"1.0>s"},{"UNITS":"s"},{"VALIDMIN":0.0},{"VALIDMAX":60.0},{"VAR_TYPE":"support_data"}]},{"VarData":[60.0]}]},{"Epoch_minus_var":[{"VarDescription":[{"DataType":"CDF_REAL4"},{"NumElements":1},{"NumDims":0},{"RecVariance":"NOVARY"},{"NumWrittenRecords":1},{"PadValue":-1.0E+30},{"BlockingFactor":1}]},{"VarAttributes":[{"CATDESC":"MMS4 FPI/DIS epoch minus var"},{"FIELDNAM":"MMS4 FPI/DIS epoch minus var"},{"FORMAT":"F4.2"},{"SI_CONVERSION":"1.0>s"},{"UNITS":"s"},{"VALIDMIN":0.0},{"VALIDMAX":60.0},{"VAR_TYPE":"support_data"}]},{"VarData":[0.0]}]},{"mms4_dis_errorflags_slow":[{"VarDescription":[{"DataType":"CDF_UINT4"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":4294967294}]},{"VarAttributes":[{"CATDESC":"MMS4 FPI/DIS vector of data-quality indicators at survey-start time"},{"DEPEND_0":"Epoch"},{"DISPLAY_TYPE":"time_series"},{"FIELDNAM":"MMS4 FPI/DIS quality error flag"},{"FILLVAL":4294967295},{"FORMAT":"I10"},{"LABLAXIS":"errFlags"},{"SCALETYP":"linear"},{"SI_CONVERSION":" > "},{"UNITS":"32-bit error flags"},{"VALIDMIN":0},{"VALIDMAX":4294967294},{"VAR_NOTES":"Value of zero signifies no quality errors. 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