{ "startDate": "1981-08-15T13:09:02Z", "stopDate": "1983-02-18T16:42:12Z", "sampleStartDate": "1983-02-18T12:39Z", "sampleStopDate": "1983-02-18T13:01:24Z", "cadence": "PT8S", "x_cadence_fraction": 0.9945652173913043, "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/de/de2/particles_lapi/swri_orbit-attitude-cdf/1981/de2_lapi_orbit-attitude_19810815130902_v01.cdf. The most common cadence, 8000000000 [ns] = PT8S, occurred for 99.4565% of the 183 timesteps. 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