{ "startDate": "2012-09-03T02:15:16Z", "stopDate": "2019-07-16T05:23:55Z", "sampleStartDate": "2019-07-15T01:35:48Z", "sampleStopDate": "2019-07-15T23:59:59Z", "cadence": "PT0.5S", "x_cadence_fraction": 0.41232372777437154, "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/rbsp/rbspb/l2/emfisis/hfr/spectra-burst/2012/rbsp-b_hfr-spectra-burst_emfisis-l2_20120903_v1.2.3.cdf. The most common cadence, 499999762 [ns] = PT0.5S, occurred for 41.2324% of the 1345 timesteps. ", "maxRequestDuration": "PT4032550S", "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesR.html#RBSP-B_HFR-SPECTRA-BURST_EMFISIS-L2", "contact": "Craig Kletzing @ University of Iowa", "resourceID": "https://doi.org/10.48322/prbv-3b62", "additionalMetadata": { "name": "SPASE", "contentURL": "https://spase-metadata.org/NASA/NumericalData/RBSP/B/EMFISIS/HFR/L2/SPECTRA-BURST/PT6S.html" }, "parameters": [ { "name": "Time", "type": "isotime", "units": "UTC", "length": 30, "fill": null, "x_description": "Default time", "x_cdf_NAME": "Epoch", "x_cdf_DataType": "CDF_TIME_TT2000" }, { "name": "HFR_Spectra", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "HFR Spectra Data", "fill": "-1.0E31", "units": "V^2/m^2/Hz", "x_label": [ "HFR_Freq_1", "HFR_Freq_2", "HFR_Freq_3", "HFR_Freq_4", "HFR_Freq_5", "HFR_Freq_6", "HFR_Freq_7", "HFR_Freq_8", "HFR_Freq_9", "HFR_Freq_10", "HFR_Freq_11", "HFR_Freq_12", "HFR_Freq_13", "HFR_Freq_14", "HFR_Freq_15", "HFR_Freq_16", "HFR_Freq_17", "HFR_Freq_18", "HFR_Freq_19", "HFR_Freq_20", "HFR_Freq_21", "HFR_Freq_22", "HFR_Freq_23", "HFR_Freq_24", "HFR_Freq_25", "HFR_Freq_26", "HFR_Freq_27", "HFR_Freq_28", "HFR_Freq_29", "HFR_Freq_30", "HFR_Freq_31", "HFR_Freq_32", "HFR_Freq_33", "HFR_Freq_34", "HFR_Freq_35", "HFR_Freq_36", "HFR_Freq_37", "HFR_Freq_38", "HFR_Freq_39", "HFR_Freq_40", "HFR_Freq_41", "HFR_Freq_42", "HFR_Freq_43", "HFR_Freq_44", "HFR_Freq_45", "HFR_Freq_46", "HFR_Freq_47", "HFR_Freq_48", "HFR_Freq_49", "HFR_Freq_50", "HFR_Freq_51", "HFR_Freq_52", "HFR_Freq_53", "HFR_Freq_54", "HFR_Freq_55", "HFR_Freq_56", "HFR_Freq_57", "HFR_Freq_58", "HFR_Freq_59", "HFR_Freq_60", "HFR_Freq_61", "HFR_Freq_62", "HFR_Freq_63", "HFR_Freq_64", "HFR_Freq_65", "HFR_Freq_66", "HFR_Freq_67", "HFR_Freq_68", "HFR_Freq_69", "HFR_Freq_70", "HFR_Freq_71", "HFR_Freq_72", "HFR_Freq_73", "HFR_Freq_74", "HFR_Freq_75", "HFR_Freq_76", "HFR_Freq_77", "HFR_Freq_78", "HFR_Freq_79", "HFR_Freq_80", "HFR_Freq_81", "HFR_Freq_82" ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "HFR Spectra", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 82 ], "bins": [ { "name": "HFR_frequencies_Fixed", "description": "HFR center band frequencies", "centers": [ 10000, 10500, 11000, 11500, 12100, 12700, 13300, 14000, 14700, 15400, 16200, 17000, 17800, 18700, 19600, 20500, 21500, 22600, 23700, 24900, 26100, 27400, 28700, 30100, 31600, 33200, 34800, 36500, 38300, 40200, 42200, 44200, 46400, 48700, 51100, 53600, 56200, 59000, 61900, 64900, 68100, 71500, 75000, 78700, 82500, 86600, 90900, 95300, 100000, 105000, 110000, 115000, 121000, 127000, 133000, 140000, 147000, 154000, 162000, 169000, 178000, 187000, 196000, 205000, 215000, 226000, 237000, 249000, 261000, 274000, 287000, 301000, 316000, 332000, 348000, 365000, 383000, 402000, 422000, 442000, 464000, 487000 ], "x_label": "Frequency", "units": "Hz" } ] }, { "name": "HFR_frequencies", "type": "double", "x_cdf_DataType": "CDF_REAL4", "description": "---> HFR center band frequencies", "fill": "-1.0E31", "units": "Hz", "x_label": "Frequency", "x_labelComponents": [ [ "HFR_Freq_1", "HFR_Freq_2", "HFR_Freq_3", "HFR_Freq_4", "HFR_Freq_5", "HFR_Freq_6", "HFR_Freq_7", "HFR_Freq_8", "HFR_Freq_9", "HFR_Freq_10", "HFR_Freq_11", "HFR_Freq_12", "HFR_Freq_13", "HFR_Freq_14", "HFR_Freq_15", "HFR_Freq_16", "HFR_Freq_17", "HFR_Freq_18", "HFR_Freq_19", "HFR_Freq_20", "HFR_Freq_21", "HFR_Freq_22", "HFR_Freq_23", "HFR_Freq_24", "HFR_Freq_25", "HFR_Freq_26", "HFR_Freq_27", "HFR_Freq_28", "HFR_Freq_29", "HFR_Freq_30", "HFR_Freq_31", "HFR_Freq_32", "HFR_Freq_33", "HFR_Freq_34", "HFR_Freq_35", "HFR_Freq_36", "HFR_Freq_37", "HFR_Freq_38", "HFR_Freq_39", "HFR_Freq_40", "HFR_Freq_41", "HFR_Freq_42", "HFR_Freq_43", "HFR_Freq_44", "HFR_Freq_45", "HFR_Freq_46", "HFR_Freq_47", "HFR_Freq_48", "HFR_Freq_49", "HFR_Freq_50", "HFR_Freq_51", "HFR_Freq_52", "HFR_Freq_53", "HFR_Freq_54", "HFR_Freq_55", "HFR_Freq_56", "HFR_Freq_57", "HFR_Freq_58", "HFR_Freq_59", "HFR_Freq_60", "HFR_Freq_61", "HFR_Freq_62", "HFR_Freq_63", "HFR_Freq_64", "HFR_Freq_65", "HFR_Freq_66", "HFR_Freq_67", "HFR_Freq_68", "HFR_Freq_69", "HFR_Freq_70", "HFR_Freq_71", "HFR_Freq_72", "HFR_Freq_73", "HFR_Freq_74", "HFR_Freq_75", "HFR_Freq_76", "HFR_Freq_77", "HFR_Freq_78", "HFR_Freq_79", "HFR_Freq_80", "HFR_Freq_81", "HFR_Freq_82" ] ], "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "HFR_frequencies", "x_cdf_DISPLAY_TYPE": "default_dimension", "x_cdf_DEPEND_0": "Epoch", "size": [ 82 ] }, { "name": "HFR_bins", "type": "integer", "x_cdf_DataType": "CDF_UINT2", "description": "---> HFR bin size - Number of bins summed on board", "fill": "65535", "units": null, "x_label": "No_Bins", "x_cdf_FORMAT": "I5", "x_cdf_FIELDNAM": "HFR_bins", "x_cdf_DEPEND_0": "Epoch", "size": [ 82 ] }, { "name": "HBGain", "type": "integer", "x_cdf_DataType": "CDF_BYTE", "description": "---> HFR Gain Select (0 - Standard Gain, 1 - Attenuator On)", "fill": "-128", "units": "(0=stnd,1=Atten)", "x_label": "High Band Gain Select", "x_cdf_FORMAT": "I3", "x_cdf_FIELDNAM": "HBGain", "x_cdf_DEPEND_0": "Epoch" }, { "name": "HBSelect", "type": "integer", "x_cdf_DataType": "CDF_BYTE", "description": "---> HFR receiver Antenna Select (0 - U axis,1 - V axis,2 - W axis {spin axis})", "fill": "-128", "units": "(0=U,1=V,2=W/Spin)", "x_label": "Antenna Select", "x_cdf_FORMAT": "I3", "x_cdf_FIELDNAM": "HBSelect", "x_cdf_DEPEND_0": "Epoch" }, { "name": "MET", "type": "double", "x_cdf_DataType": "CDF_REAL8", "description": "---> MET", "fill": "-1.0E31", "units": null, "x_format": ".2e", "x_fractionDigits": "2", "x_cdf_FORMAT": "E12.2", "x_cdf_FIELDNAM": "MET", "x_cdf_DEPEND_0": "Epoch" } ], "x_info_author": "bw", "x_cdaweb_hapi_version": "20260130.0606", "x_info_caching": false, "status": { "code": 1200, "message": "OK" }, "HAPI": "3.2", "x_LastUpdate": "2026-04-12T15:13:11Z" }