! Skeleton table for the "psp_fld_l2_dfb_dc_bpf_dv34hg_00000000_v01.cdf" CDF. ! Generated: Tuesday, 4-Mar-2025 16:41:17 ! CDF created/modified by CDF V3.9.0 ! Skeleton table created by CDF V3.8.1_0 #header CDF NAME: psp_fld_l2_dfb_dc_bpf_dv34hg_00000000_v01.cdf DATA ENCODING: NETWORK MAJORITY: COLUMN FORMAT: SINGLE ! Variables G.Attributes V.Attributes Records Dims Sizes ! --------- ------------ ------------ ------- ---- ----- 0/7 26 19 0/z 0 ! CDF_COMPRESSION: None ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! CDF_CHECKSUM: None ! (Valid checksum: None, MD5) ! CDF_LEAPSECONDLASTUPDATED: 20170101 #GLOBALattributes ! Attribute Entry Data ! Name Number Type Value ! --------- ------ ---- ----- "TITLE" 1: CDF_CHAR { "PSP FIELDS Digital Fields " - "Board (DFB), dV34hg data. " } . "Project" 1: CDF_CHAR { "PSP" } . "Discipline" 1: CDF_CHAR { "Solar Physics>Heliospheric" - " Physics" } 2: CDF_CHAR { "Solar " - "Physics>Interplanetary " - "Studies" } . "Source_name" 1: CDF_CHAR { "PSP>Parker Solar Probe" } . "Descriptor" 1: CDF_CHAR { "DFB_DC_BPF_DV34HG>Digital " - "Fields Board DC Bandpass " - "Filter dV34hg" } . "Data_type" 1: CDF_CHAR { "L2>Level 2 Data" } . "Data_version" 1: CDF_CHAR { " " } . "TEXT" 1: CDF_CHAR { "PSP FIELDS Digital Fields " - "Board (DFB), dV34hg data. " } 2: CDF_CHAR { "The DFB is the low " - "frequency (< 75 kHz) " - "component of the FIELDS " - "experiment on the Parker " - "Solar Probe spacecraft " - "[1]. For a full " - "description of the FIELDS " - "experiment, see [2]. For a" - " description of the DFB, " - "see [3]." } 3: CDF_CHAR { "DFB DC bandpass data " - "consist of peak and " - "average values of the " - "absolute value of " - "band-passed time series " - "waveform data over a time " - "interval equal to the " - "reporting cadence. The DC " - "bandpass data have the " - "peak response frequency of" - " each bin reported in the " - "metadata. The frequency " - "response curves for these " - "bins are given in [3]. " } 4: CDF_CHAR { "The Level 2 data products " - "contained in this data " - "file have been calibrated " - "for (i) the ~6.3 dB loss " - "associated with forming " - "the bandpass signal [3], " - "(ii) DFB in-band gain, " - "(iii) DFB digital filter " - "time delays, which become " - "significant in the lowest " - "frequency DC bandpass " - "bins, and (iv) the search " - "coil preamplifier response" - " (when applicable). " - "Calibrations for the DFB " - "digital filter and analog " - "filter gains have not been" - " implemented, as it was " - "determined that these " - "could not be applied " - "accurately to single " - "numerical values " - "representing a broadband " - "signal response, and " - "because all bins except " - "the highest frequency bin " - "have a flat gain response " - "equal to 1 due to these " - "filters. Calibrations for" - " the FIELDS preamplifiers " - "have not been implemented," - " as the preamplifier " - "response is flat and equal" - " to 1 through the DFB " - "frequency range. " - "Corrections for plasma " - "sheath impedance gain and " - "antenna effective length " - "have not been applied " - "voltage sensor signals " - "(these corrections will be" - " applied in Level 3 DFB " - "data), therefore units for" - " all voltage sensor " - "quantities are Volts. " - "Units for all magnetic " - "field quantities are nT." } 5: CDF_CHAR { "The Level 2 data products " - "contained in this data " - "file are in sensor " - "coordinates (e.g. dV12, " - "dV34 for voltage " - "measurements, and u,v,w " - "for the search coil " - "magnetometer). " } 6: CDF_CHAR { "Time resolution of the DFB" - " DC bandpass data can vary" - " by multiples of 2^N. " - "During encounter (when PSP" - " is within 0.25 AU of the " - "Sun), DFB AC bandpass " - "cadence is typically 1 " - "NYsecond [2]. Timestamps " - "correspond to the center " - "time of each window. " } 7: CDF_CHAR { "References: " } 8: CDF_CHAR { "1. Fox, N.J., Velli, M.C.," - " Bale, S.D. et al. Space " - "Sci Rev (2016) 204: 7. " - "https://doi.org/10.1007/s1" - "121401502116 " } 9: CDF_CHAR { "2. Bale, S.D., Goetz, K., " - "Harvey, P.R. et al. Space " - "Sci Rev (2016) 204: 49. " - "https://doi.org/10.1007/s1" - "121401602445 " } 10: CDF_CHAR { "3. Malaspina, D.M., Ergun," - " R.E., Bolton, M. et al. " - "(2016) JGR Space Physics, " - "121, 5088-5096. " - "https://doi.org/10.1002/20" - "16JA022344" } . "MODS" 1: CDF_CHAR { " " } . "Logical_file_id" 1: CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dv34hg" } . "Logical_source" 1: CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dV34hg" } . "Logical_source_description" 1: CDF_CHAR { "PSP FIELDS Level 2 DFB DC " - "Bandpass Filter (BPF) of " - "dV34 High Gain (HG) " - "Channel (DV34HG)" } . "PI_name" 1: CDF_CHAR { "Stuart D. Bale " - "(bale@ssl.berkeley.edu)" } . "PI_affiliation" 1: CDF_CHAR { "UC Berkeley Space Sciences" - " Laboratory" } . "Mission_group" 1: CDF_CHAR { "Parker Solar Probe (PSP)" } . "Parents" 1: CDF_CHAR { " " } . "Dependencies" 1: CDF_CHAR { "None" } . "Instrument_type" 1: CDF_CHAR { "Electric Fields (space)" } . "Generation_date" 1: CDF_CHAR { " " } . "Generated_by" 1: CDF_CHAR { "FIELDS SOC" } . "HTTP_LINK" 1: CDF_CHAR { "http://fields.ssl.berkeley" - ".edu/data/" } . "LINK_TEXT" 1: CDF_CHAR { "PSP/FIELDS SOC" } . "LINK_TITLE" 1: CDF_CHAR { " Data Link" } . "svn_version" 1: CDF_CHAR { " " } . "spase_DatasetResourceID" 1: CDF_CHAR { "spase://NASA/NumericalData" - "/ParkerSolarProbe/FIELDS/D" - "FB/Level2/DC/BandpassFilte" - "r/DV34/HighGain/PT0.873813" - "S" } . "DOI" 1: CDF_CHAR { "https://doi.org/10.48322/p" - "859-3938" } . #VARIABLEattributes "CATDESC" "COORDINATE_SYSTEM" "DEPEND_0" "DEPEND_1" "DISPLAY_TYPE" "SCALETYP" "FIELDNAM" "FILLVAL" "FORMAT" "LABL_PTR_1" "LABLAXIS" "UNITS" "VALIDMIN" "VALIDMAX" "VAR_TYPE" "MONOTON" "SCALEMIN" "SCALEMAX" "VAR_NOTES" #variables ! No rVariables. #zVariables ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "epoch" CDF_TIME_TT2000 1 0 T ! VAR_COMPRESSION: None ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_PADVALUE: 0000-01-01T00:00:00.000000000 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "Time for DC Bandpass Filter data" } "FIELDNAM" CDF_CHAR { "epoch" } "FILLVAL" CDF_TIME_TT2000 { 9999-12-31T23:59:59.999999999 } "FORMAT" CDF_CHAR { "I22" } "LABLAXIS" CDF_CHAR { "epoch" } "UNITS" CDF_CHAR { "ns" } "VALIDMIN" CDF_TIME_TT2000 { 2010-01-01T00:00:00.000000000 } "VALIDMAX" CDF_TIME_TT2000 { 2050-01-01T00:00:00.000000000 } "VAR_TYPE" CDF_CHAR { "support_data" } "MONOTON" CDF_CHAR { "INCREASE" } "SCALEMIN" CDF_TIME_TT2000 { 2018-10-06T00:00:00.000000000 } "SCALEMAX" CDF_TIME_TT2000 { 2018-10-07T00:00:00.000000000 } . ! RV values were not requested. ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "psp_fld_l2_dfb_dc_bpf_dV34hg_frequency_bins" CDF_FLOAT 1 1 15 T T ! VAR_COMPRESSION: GZIP.6 ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_BLOCKINGFACTOR: 1093 ! VAR_PADVALUE: -1.0e+30 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "Frequency bins for channel dV34hg" } "DEPEND_0" CDF_CHAR { "epoch" } "SCALETYP" CDF_CHAR { "log" } "FIELDNAM" CDF_CHAR { "frequency_bins" } "FILLVAL" CDF_FLOAT { -1.0e+31 } "FORMAT" CDF_CHAR { "E10.3" } "LABLAXIS" CDF_CHAR { "frequency" } "UNITS" CDF_CHAR { "Hz" } "VALIDMIN" CDF_FLOAT { 4.292e-01 } "VALIDMAX" CDF_FLOAT { 7.031e+03 } "VAR_TYPE" CDF_CHAR { "support_data" } . ! RV values were not requested. ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "psp_fld_l2_dfb_dc_bpf_dV34hg_avg" CDF_FLOAT 1 1 15 T T ! VAR_COMPRESSION: GZIP.6 ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_BLOCKINGFACTOR: 1093 ! VAR_PADVALUE: -1.0e+30 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "L2 DC Band-pass filter average power " - "for channel dV34hg" } "DEPEND_0" CDF_CHAR { "epoch" } "DEPEND_1" CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dV34hg_frequency" - "_bins" } "DISPLAY_TYPE" CDF_CHAR { "spectrogram" } "SCALETYP" CDF_CHAR { "log" } "FIELDNAM" CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dV34hg_avg" } "FILLVAL" CDF_FLOAT { -1.0e+31 } "FORMAT" CDF_CHAR { "E10.3" } "LABLAXIS" CDF_CHAR { "Amplitude" } "UNITS" CDF_CHAR { "V" } "VALIDMIN" CDF_FLOAT { 0.000e+00 } "VALIDMAX" CDF_FLOAT { 3.000e+00 } "VAR_TYPE" CDF_CHAR { "data" } "VAR_NOTES" CDF_CHAR { "Data is in the sensor reference frame." - " For description see Malaspina et al.," - " (2016), JGR, 121, 5088-5096, " - "doi:10.1002/2016JA022344" } . ! RV values were not requested. ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "psp_fld_l2_dfb_dc_bpf_dV34hg_peak" CDF_FLOAT 1 1 15 T T ! VAR_COMPRESSION: GZIP.6 ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_BLOCKINGFACTOR: 1093 ! VAR_PADVALUE: -1.0e+30 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "L2 DC Band-pass filter peak power for " - "channel dV34hg" } "DEPEND_0" CDF_CHAR { "epoch" } "DEPEND_1" CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dV34hg_frequency" - "_bins" } "DISPLAY_TYPE" CDF_CHAR { "spectrogram" } "SCALETYP" CDF_CHAR { "log" } "FIELDNAM" CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dV34hg_peak" } "FILLVAL" CDF_FLOAT { -1.0e+31 } "FORMAT" CDF_CHAR { "E10.3" } "LABLAXIS" CDF_CHAR { "Amplitude" } "UNITS" CDF_CHAR { "V" } "VALIDMIN" CDF_FLOAT { 0.000e+00 } "VALIDMAX" CDF_FLOAT { 3.000e+00 } "VAR_TYPE" CDF_CHAR { "data" } "VAR_NOTES" CDF_CHAR { "Data is in the sensor reference frame." - " For description see Malaspina et al.," - " (2016), JGR, 121, 5088-5096, " - "doi:10.1002/2016JA022344" } . ! RV values were not requested. ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "psp_fld_l2_dfb_dc_bpf_dV34hg_saturation_flags" CDF_INT2 1 0 T ! VAR_COMPRESSION: GZIP.6 ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_BLOCKINGFACTOR: 32768 ! VAR_PADVALUE: -32767 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "L2 Saturation flags (1 = spectra " - "saturated, 0 = spectra unsaturated)" } "DEPEND_0" CDF_CHAR { "epoch" } "DISPLAY_TYPE" CDF_CHAR { "time_series" } "SCALETYP" CDF_CHAR { "linear" } "FIELDNAM" CDF_CHAR { "psp_fld_l2_dfb_dc_bpf_dV34hg_saturatio" - "n_flags" } "FILLVAL" CDF_INT2 { -32768 } "FORMAT" CDF_CHAR { "I08" } "UNITS" CDF_CHAR { " " } "VALIDMIN" CDF_INT2 { 0 } "VALIDMAX" CDF_INT2 { 1 } "VAR_TYPE" CDF_CHAR { "support_data" } . ! RV values were not requested. ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "epoch_quality_flags" CDF_TIME_TT2000 1 0 T ! VAR_COMPRESSION: None ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_PADVALUE: 0000-01-01T00:00:00.000000000 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "Time for the FIELDS quality flag" } "FIELDNAM" CDF_CHAR { "epoch_quality_flags" } "FILLVAL" CDF_TIME_TT2000 { 9999-12-31T23:59:59.999999999 } "FORMAT" CDF_CHAR { "I22" } "LABLAXIS" CDF_CHAR { "epoch" } "UNITS" CDF_CHAR { "ns" } "VALIDMIN" CDF_TIME_TT2000 { 2010-01-01T00:00:00.000000000 } "VALIDMAX" CDF_TIME_TT2000 { 2050-01-01T00:00:00.000000000 } "VAR_TYPE" CDF_CHAR { "support_data" } "MONOTON" CDF_CHAR { "INCREASE" } "SCALEMIN" CDF_TIME_TT2000 { 2018-10-06T00:00:00.000000000 } "SCALEMAX" CDF_TIME_TT2000 { 2018-10-07T00:00:00.000000000 } . ! RV values were not requested. ! Variable Data Number Record Dimension ! Name Type Elements Dims Sizes Variance Variances ! -------- ---- -------- ---- ----- -------- --------- "psp_fld_l2_quality_flags" CDF_UINT4 1 0 T ! VAR_COMPRESSION: GZIP.6 ! (Valid compression: None, GZIP.1-9, RLE.0, HUFF.0, AHUFF.0) ! VAR_SPARSERECORDS: None ! (Valid sparserecords: None, sRecords.PAD, sRecords.PREV) ! VAR_BLOCKINGFACTOR: 16384 ! VAR_PADVALUE: 4294967294 ! Attribute Data ! Name Type Value ! -------- ---- ----- "CATDESC" CDF_CHAR { "FIELDS quality flag" } "DEPEND_0" CDF_CHAR { "epoch_quality_flags" } "FIELDNAM" CDF_CHAR { "quality_flags" } "FILLVAL" CDF_UINT4 { 4294967295 } "FORMAT" CDF_CHAR { "I10" } "LABLAXIS" CDF_CHAR { "flag" } "UNITS" CDF_CHAR { "None" } "VALIDMIN" CDF_UINT4 { 0 } "VALIDMAX" CDF_UINT4 { 255 } "VAR_TYPE" CDF_CHAR { "support_data" } "VAR_NOTES" CDF_CHAR { "FIELDS quality flags. This is a " - "bitwise variable, meaning that " - "multiple flags can be set for a single" - " time, by adding flag values. Current " - "flagged values are: 1: FIELDS antenna " - "bias sweep, 2: PSP thruster firing, 4:" - " SCM Calibration, 8: PSP rotations for" - " MAG calibration (MAG rolls), 16: " - "FIELDS MAG calibration sequence, 32: " - "SWEAP SPC in electron mode, 64: PSP " - "Solar limb sensor (SLS) test. 128: PSP" - " spacecraft is off umbra pointing. " - "256: High frequency noise affecting " - "RFS and TDS receivers. 512: Antennas " - "driven towards the FIELDS power supply" - " rails. A value of zero corresponds to" - " no set flags. Not all flags are " - "relevant to all FIELDS data products, " - "refer to notes in the CDF metadata and" - " on the FIELDS SOC website for " - "information on how the various flags " - "impact FIELDS data. For more " - "information on the quality flags " - "describing high frequency noise and " - "antennas driven to the rails, see " - "release notes for PSP/FIELDS releases " - "8 and 9. Additional flagged items may " - "be added in the future." } . ! RV values were not requested. #end