{ "startDate": "2013-01-21T21:46:05Z", "stopDate": "2013-01-23T11:22:52Z", "sampleStartDate": "2013-01-21T23:59:56Z", "sampleStopDate": "2013-01-22T23:59:13Z", "cadence": "PT31.996S", "x_cadence_fraction": 0.7478991596638656, "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/barrel/l2/1r/sspc/bar_1r_l2_sspc_20130121_v10.cdf. 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