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CDAWeb Served Heliophysics Datasets Beginning with 'E'
- EARTH_HELIO1DAY_POSITION: Position in heliocentric coordinates from SPDF Helioweb - Natalia Papitashvili (NASA/GSFC/SPDF)
- ELA_L1_EPDEF: Energetic Particle Detector, Counts, Electrons>keV [UNCALIBRATED RAW DATA] - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELA_L1_EPDIF: [UNCALIBRATED RAW DATA ONLY] Energetic Partical Detector Energy Particles, Ions>keV - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELA_L1_STATE_DEFN: Probe state file, contains position and attitude and orbit events - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELA_L1_STATE_PRED: Probe state file, contains position and attitude and orbit events - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELB_L1_EPDEF: Energetic Particle Detector, Counts, Electrons>keV [UNCALIBRATED RAW DATA] - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELB_L1_EPDIF: [UNCALIBRATED RAW DATA ONLY] Energetic Partical Detector Energy Particles, Ions>keV - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELB_L1_STATE_DEFN: Probe state file, contains position and attitude and orbit events - V. Angelopoulos (UCLA, IGPP/EPSS)
- ELB_L1_STATE_PRED: Probe state file, contains position and attitude and orbit events - V. Angelopoulos (UCLA, IGPP/EPSS)
- ENDURANCE_EPHEMERIS_DEF: Position and attitude of Endurance during flight - G. Collinson (NASA GSFC / Catholic University of America)
- ENDURANCE_FIELDS_SKINPOT-500US: Electric field sphere voltages. - G. Collinson (NASA GSFC / Catholic University)
- ENDURANCE_L1A_PES: Level 1a PES Science and Housekeeping data at 40ms time resolution as downlinked in the Data Matrix - G. Collinson (NASA GSFC / Catholic University of America )
- ENDURANCE_L1B_PES: Uncalibrated L1b raw counts per energy step from the 8 DESA sensors during science portion of mission - G. Collinson (NASA GSFC / Catholic University of America )
- ENDURANCE_L2-ESA_PES: Standard Resolution (15% DE/E) data (10eV to 1keV) - G. Collinson (NASA GSFC / Catholic University of America )
- ENDURANCE_L2-GF_PES: Variation of Geometric Factor of PES during operation - G. Collinson (NASA GSFC / Catholic University of America )
- ENDURANCE_L2-RPA_PES: High Resolution (0.5% DE/E) data (20.30eV to 25.85eV) - G. Collinson (NASA GSFC / Catholic University of America )
- ENDURANCE_L2_SLP: Calibrated L2 data from SLP - A. Barjatya (Embry Riddle Aeronautical University)
- ENDURANCE_L3_PES: Electric Potential Drop parallel to Earth’s magnetic Field below Endurance - G. Collinson (NASA GSFC / Catholic University of America )
- EQ_PP_AUX: Equator-S Auxiliary Data Prime Parameters - EDC (MPE)
- EQ_PP_EDI: Equator-S Electron Drift Instrument Prime Parameters - G. Paschmann (MPE)
- EQ_PP_EPI: Equator-S 3D Analyzer Prime Parameters - T. Sanderson (ESTEC)
- EQ_PP_ICI: Equator-S Ion Composition Instrument Prime Parameters.(The raw moments calculated onboard should only be used qualitatively for identifying regions and temporal variations. Quantitative analysis should be done with the final moments generated from telemetered 3D distributions.) - L. Kistler (UNH)
- EQ_PP_MAM: Equator-S Fluxgate Magnetometer Prime Parameters - W. Baumjohann (MPE)
- EQ_PP_PCD: Equator-S Potential Control Device Prime Parameters - K. Torkar (IWF)
- EQ_SP_SFD: Equator-S Scintillating Fibre Detector Summary Parameters - L. Adams (ESTEC)
- ERG_HEP_L2_OMNIFLUX: High-energy electron experiments (HEP) Level-2 omni flux data, ARASE/ERG) - Takefumi Mitani (ISAS, JAXA)
- ERG_LEPE_L2_OMNIFLUX: Low-Energy Particle experiments - electron analyzer (LEP-e) Level 2 omni electron flux data, ARASE/ERG - Shiang-Yu Wang (Academia Sinica, Taiwan)
- ERG_LEPI_L2_OMNIFLUX: Exploration of Low Energy Particle Ion (LEPi) Experiment 3D ion flux data, ARASE/ERG - Kazushi Asamura (ISAS, Jaxa)
- ERG_MEPE_L2_3DFLUX: Exploration of Energization and Radiation in Geospace (ERG) Medium-Energy Particle experiments - electron analyzer (MEP-e) Level 2 3D electron flux data - Satoshi Kasahara (The University of Tokyo)
- ERG_MEPE_L2_OMNIFLUX: Medium Energy Particle experiments - electron analyzer (MEP-e) electron omni flux data, ARASE/ERG - Satoshi Kasahara (The University of Tokyo)
- ERG_MEPI_L2_3DFLUX: Exploration of Energization and Radiation in Geospace (ERG) Medium Energy Particle experiments - ion mass analyzer (MEP-i) Level-2 3D flux data - Shoichiro Yokota (Osaka University)
- ERG_MEPI_L2_OMNIFLUX: Medium Energy Particle experiments - ion mass analyzer (MEP-i) 3D ion omni flux data, ARASE/ERG - Shoichiro Yokota (Osaka University)
- ERG_MGF_L2_8SEC: Magnetic Field Experiment (MGF) Level 2 spin-averaged magnetic field data, ARASE/ERG - Ayako Matsuoka (Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3-1-1 Yoshinodai, Chuo-ku, Sagamihara, Kanagawa 252-5210, Japan)
- ERG_ORB_L2: Exploration of Energization and Radiation in Geospace (ERG) Level-2 orbit data
- ERG_ORB_L3: Exploration of Energization and Radiation in Geospace (ERG) Level-3 orbit data
- ERG_ORB_LPRE_L2: Exploration of Energization and Radiation in Geospace (ERG) Level-2 long-term predicted orbit data
- ERG_ORB_MPRE_L2: Exploration of Energization and Radiation in Geospace (ERG) Level-2 medium-term predicted orbit data
- ERG_ORB_PRE_L2: Exploration of Energization and Radiation in Geospace (ERG) Level-2 predicted orbit data
- ERG_ORB_SPRE_L2: Exploration of Energization and Radiation in Geospace (ERG) Level-2 short-term predicted orbit data
- ERG_PWE_EFD_L2_E_SPIN: Plasma Wave Experiment (PWE) Electric Field Detector (EFD) Level 2 spectrum data, ARASE/ERG - Yoshiya Kasahara (Kanazawa University)
- ERG_PWE_EFD_L2_POT: Plasma Wave Experiment (PWE) Electric Field Detector (EFD) Level 2 potential data, ARASE/ERG - Yoshiya Kasahara (Kanazawa University)
- ERG_PWE_HFA_L2_SPEC_HIGH: No description
- ERG_PWE_HFA_L2_SPEC_LOW: No description
- ERG_PWE_HFA_L2_SPEC_MONIT: No description
- ERG_PWE_OFA_L2_SPEC: Plasma Wave Experiment (PWE) Onboard Frequency Analyzer (OFA) Level 2 spectrum data, ARASE/ERG - Yoshiya Kasahara (Kanazawa University)
- ERG_XEP_L2_OMNIFLUX: Exploration of Energization and Radiation in Geospace (ERG) Extremely High-Energy Electron Experiment (XEP) Level 2 extremely high energy electron data - Nana Higashio (Space Environment Group, Aerospace Research and Development Directorate, Tsukuba Space Center, Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan)
- EARTH_HELIO1DAY_POSITION (spase://NASA/NumericalData/Planet/Earth/HelioWeb/Ephemeris/P1D)
- Description
No TEXT global attribute value.
- Data Variable Descriptions
- Distance from Sun to object [RAD_AU]
- Latitude in Solar Ecliptic Coordinate System (SE) [SE_LAT]
- Longitude in Solar Ecliptic Coordinate System (SE) [SE_LON]
- Latitude in heliographic Rotating Coordinate System (HG) [HG_LAT]
- Longitude in Heliographic Rotating Coordinate System (HG) [HG_LON]
- Latitude in heliographic Inertial Coordinate System (HGI) [HGI_LAT]
- Longitude in heliographic Inertial Coordinate System (HGI) [HGI_LON]
Data Access Code Examples written in
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- ELA_L1_EPDEF
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2018-07-20
- Data Variable Descriptions
- [ADC UNITS ONLY] L1 EPD Electron counts, Fast Mode - all 16 energies [ela_pef]
- ---> just bottom eight energies [ela_pef_8]
- ---> just top eight energies [ela_pef_top8]
- Sector Number [ela_pef_sectnum]
- number spins in sum [ela_pef_nspinsinsum]
- Number of Sectors [ela_pef_nsectors]
- spinperiod [ela_pef_spinper]
Data Access Code Examples written in
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- ELA_L1_EPDIF
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2018-07-20
- Data Variable Descriptions
- EPD Ion counts/sector [raw data] - all 16 energies [ela_pif]
- ---> just bottom eight energies [ela_pif_8]
- ---> just top eight energies [ela_pif_top8]
- Sector Number [ela_pif_sectnum]
- number of spins in sum [ela_pif_nspinsinsum]
- Number of Sectors [ela_pif_nsectors]
- spinphase [ela_pif_spinphase]
- spinperiod [ela_pif_spinper]
Data Access Code Examples written in
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- ELA_L1_STATE_DEFN
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2022-09-25
- Data Variable Descriptions
- Spacecraft Position XYZ in GEI-J2000 [ela_pos_gei]
- Spacecraft Velocity Vxyz in GEI-J2000 [ela_vel_gei]
- Spacecraft Attitude in GEI-J2000 [ela_att_gei]
- Date of attitude solution, UTC, in seconds [ela_att_solution_date]
- Attitude Flag [ela_att_flag]
- Spin Period - Calculated [ela_att_spinper]
- Angle Between Spin Vector and Orbit Normal [ela_spin_orbnorm_angle]
- Angle Between Spin Vector and Sun [ela_spin_sun_angle]
Data Access Code Examples written in
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- ELA_L1_STATE_PRED
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2022-09-17
- Data Variable Descriptions
- Spacecraft Position XYZ in GEI-J2000 [ela_pos_gei]
- Spacecraft Velocity Vxyz in GEI-J2000 [ela_vel_gei]
- Spacecraft Attitude in GEI-J2000 [ela_att_gei]
- Date of attitude solution, UTC, in seconds [ela_att_solution_date]
- attitude - interpolated=0, modeled=1 [ela_att_flag]
- Spin Period - Calculated [ela_att_spinper]
- Angle Between Spin Vector and Orbit Normal [ela_spin_orbnorm_angle]
- Angle Between Spin Vector and Sun [ela_spin_sun_angle]
Data Access Code Examples written in
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- ELB_L1_EPDEF
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2018-07-20
- Data Variable Descriptions
- [ADC UNITS ONLY] L1 EPD Electron counts, Fast Mode - all 16 energies [elb_pef]
- ---> just bottom eight energies [elb_pef_8]
- ---> just top eight energies [elb_pef_top8]
- Sector Number [elb_pef_sectnum]
- number spins in sum [elb_pef_nspinsinsum]
- Number of Sectors [elb_pef_nsectors]
- Spin Period [elb_pef_spinper]
Data Access Code Examples written in
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- ELB_L1_EPDIF
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2018-07-20
- Data Variable Descriptions
- [ADC UNITS ONLY] L1 EPD Ion counts, Fast Mode [elb_pif]
- ---> just bottom eight energies [elb_pif_8]
- ---> just top eight energies [elb_pif_top8]
- Sector Number [elb_pif_sectnum]
- number spins in sum [elb_pif_nspinsinsum]
- Number of Sectors [elb_pif_nsectors]
- spinphase [elb_pif_spinphase]
- Spin Period [elb_pif_spinper]
Data Access Code Examples written in
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- ELB_L1_STATE_DEFN
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2022-09-28
- Data Variable Descriptions
- Spacecraft Position XYZin GEI-J2000 [elb_pos_gei]
- Spacecraft Velocity Vxyz in GEI-J2000 [elb_vel_gei]
- Spacecraft Attitude in GEI-J2000 [elb_att_gei]
- Date of attitude solution, UTC, in seconds [elb_att_solution_date]
- Attitude Flag [elb_att_flag]
- Spin Period - Calculated [elb_att_spinper]
- Angle Between Spin Vector and Orbit Normal [elb_spin_orbnorm_angle]
- Angle Between Spin Vector and Sun [elb_spin_sun_angle]
Data Access Code Examples written in
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- ELB_L1_STATE_PRED
- Description
The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. The instruments measure wave and particle data.
- Modification History
Rev- 2022-09-27
- Data Variable Descriptions
- Spacecraft Position XYZin GEI-J2000 [elb_pos_gei]
- Spacecraft Velocity Vxyz in GEI-J2000 [elb_vel_gei]
- Spacecraft Attitude in GEI-J2000 [elb_att_gei]
- Date of attitude solution, UTC, in seconds [elb_att_solution_date]
- Attitude Flag [elb_att_flag]
- Spin Period - Calculated [elb_att_spinper]
- Angle Between Spin Vector andOrbit Normal [elb_spin_orbnorm_angle]
- Angle Between Spin Vector and Sun [elb_spin_sun_angle]
Data Access Code Examples written in
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- Data Variable Descriptions
- Mission Elapsed Time [time]
Seconds from T-0, where T-0 is defined by ACS Umbi-pull
- Euler Rotation Angle (Yaw) [Yaw]
Euler rotation angle (degrees) relative to inertial T-0 orientation about the lateral Z-axis 180 degrees from rail
- Euler Rotation Angle (Pitch) [Pitch]
Euler rotation angle (degrees) relative to inertial T-0 orientation about the lateral Y axis that completes the R.H.R. with the other two axes
- Euler Rotation Angle (Roll) [Roll]
Euler rotation angle (degrees) relative to inertial T-0 orientation about the longitudinal geometric X-axis out of nose
- Roll Rate [RollRate]
Roll rate (about the body spin axis, X) in cycles/second (Hz) relative to an inertial frame
- Total Angle of Attack (between Spin Axis X and Velocity) [AoA_T]
Total Angle of Attack (angle between the spin axis (X) and the velocity vector)
- Angle between Spin Axis X and Magnetic Field [AngleB]
Angle between the spin axis (X) and the local IGRF magnetic field vector
- Direction Cosine Matrix (DCM) [No Plot] [DCM]
DCM is a 3x3xn direction cosine matrix expressing the payload body frame (X-axis out of nose, Z-axis 180 degrees from rail, Y-axis completes R.H.R.) axes as column vectors in the coordinates of the ENU (Local) reference frame. The NIACS body frame is X-axis out of tail, Z-axis towards the rail, Y-axis completes R.H.R., so expressing the payload body frame in the coordinates of the NIACS body frame is achieved by the following matrix: | -1 0 0 | | 0 1 0 | | 0 0 -1 | The ENU (Local) reference frame is the local geodetic East, North, Up coordinate frame
- X Azimuth [X_Az]
Azimuth (degrees) of spin axis, X, from North in the local geodetic reference frame (clockwise if ENU, counterclockwise if NED)
- X Elevation [X_El]
Elevation (degrees) of spin axis, X, from the local geodetic horizontal plane, tangent to the surface of the Earth
- Y Azimuth [Y_Az]
Y_Az: Azimuth (degrees) of lateral axis, Y, from North in the local geodetic reference frame (clockwise if ENU, counterclockwise if NED)
- Y Elevation [Y_El]
Elevation (degrees) of lateral axis, Y, from the local geodetic horizontal plane, tangent to the surface of the Earth
- Z Azimuth [Z_Az]
Azimuth (degrees) of lateral axis, Z, from North in the local geodetic reference frame (clockwise if ENU, counterclockwise if NED)
- Z Elevation [Z_El]
Elevation (degrees) of lateral axis, Z, from the local geodetic horizontal plane, tangent to the surface of the Earth
- Geodetic Latitude of the Payload [Latgd]
Positional data from POSDAT File
- Longitude of the Payload [Long]
Positional data from POSDAT File
- Geodetic Altitude of the Payload [Alt]
Positional data from POSDAT File
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- ENDURANCE_FIELDS_SKINPOT-500US
- Description
TM1 electric field sphere potential (skins) voltages from Endurance FIELDS experiment during flight.
- Data Variable Descriptions
- Mission elapsed time [time]
Seconds from T-0, where T-0 is defined as 01:31:00.0 U.T. on May 11, 2022.
- Average of V1S and V2S sphere voltages [avg_v1sv2s]
- Average of V3S and 42S sphere voltages [avg_v3sv4s]
Data Access Code Examples written in
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- Data Variable Descriptions
- PES step number [stp_count_PES]
Each of the 8 sensors that made up the PES instrument operated in an 81-step energy sweep which took 10s to complete. This variable gives which step was under operation at any given time. Values until after deployment are spurious
- PES Side A, Total Integrated Counts [PES_A_counts]
Each PES sensor had two detectors (A side and B side). This is the accumulated counts on the A-side counter. This was reset to zero at the beginning of each step. This accumulated counts updated every 40ms. The total counts per bin can be taken from the final measurement in each step
- PES Side B, Total Integrated Counts [PES_B_counts]
Each PES sensor had two detectors (A side and B side). This is the accumulated counts on the B-side counter. This was reset to zero at the beginning of each step. This accumulated counts updated every 40ms. The total counts per bin can be taken from the final measurement in each step
- PES ESA High Voltage Supply Monitor [PES_HV_mon]
Digital Monitor of High Voltage Supply for Electrostatic Analyzer. All values before the end of deployment and after the final science scan are spurious
- PES ESA Stepper Monitor [PES_ESA_mon]
Digital Monitor of voltage applied to ESA all PES sensors. All values before the end of deployment and after the final science scan are spurious
- PES RPA Stepper Monitor [PES_RPA_mon]
Digital Monitor of voltage applied to RPA all PES sensors. All values before the end of deployment and after the final science scan are spurious
- PES CEM Stepper Monitor [PES_CEM_mon]
Digital Monitor of voltage applied to CEM all PES sensors. All values before the end of deployment and after the final science scan are spurious
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- ENDURANCE_L1B_PES
- Description
The Endurance PES instrument was comprised of 8 boom-mounted Dual Electrostatic Analyzer (DESA) sensors, and a main electronics box (MEB). Each DESA sensor had two look directions; A-side (looking down to Earth from launch to pitch-over maneuver, and then up to space until loss of signal (LOS)); and B-side (looking up to space from launch to pitch-over, and then down to Earth until loss of signal (LOS)). The sensors were synchronized by the MEB and cross-calibrated to look at approximately the same energy at the same time. A PES sweep consisted of 81 different steps and took 10 seconds. At each step, a voltage could be applied to the Electrostatic Analyzer (ESA) and/or the Retarding Potential Analyzer (RPA). Of these 81 steps; 3 (0, 1, 44) were used to take background counts with the ESA grounded, and to fire the SLP; 34 (2:9, 33, 56:80) were used to collect the standard resolution data measurement (15% DE/E, 10eV to 1keV) using the ESA alone; and 44 (10:32, 34:43, 45:55) were used to collect the high-resolution measurement (0.5% DE/E, 20.3 eV to 25.85 eV) using the ESA and RPA combined.”
- Data Variable Descriptions
- Counts per Energy step all sensors, Side A [PES_A_counts]
- Counts per Energy step all sensors, Side B [PES_B_counts]
- Photoelectron Spectrometer Energy Step [step]
- Energy setting of all 8 PES Electostatic Analyzers (ESA) [esa_en]
- Voltage (Energy) setting of PES Retarding Potential Analyzers (RPA) [rpa_en]
- RPA grounded (0) or active (1) [rpa_flag]
- ESA grounded (0) or active (1) [esa_flag]
- SLP passive (0) or sweeping (1) [slp_flag]
The Sweeping Langmuir Probe (SLP) was commanded by PES so that it would not fire (sweep voltage) while PES was taking a measurement. PES measured background counts during such SLP firings, alternating between the total background counts, and the background counts above 20eV.
- Duration (integration time) of the PES Energy step [PES_step_duration]
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- ENDURANCE_L2-ESA_PES
- Description
The Endurance PES instrument was comprised of 8 boom-mounted Dual Electrostatic Analyzer (DESA) sensors, and a main electronics box (MEB). Each DESA sensor had two look directions; A-side (looking down to Earth from launch to pitch-over maneuver, and then up to space until loss of signal (LOS)); and B-side (looking up to space from launch to pitch-over, and then down to Earth until loss of signal (LOS)). The sensors were synchronized by the MEB and cross-calibrated to look at approximately the same energy at the same time. These data present the standard resolution data measurement (15% DE/E, 10eV to 1keV) using the ESA alone, using counts from all the sensors combined together.
- Data Variable Descriptions
- Time/energy spectrogram of Differential Energy Flux of electrons from the 8 combined A-sides of PES [PES_A_ESA_DEF]
Data are corrected for background counts and then converted to Differential Energy Flux as per Collinson et al., The Geometric Factor of electrostatic plasma analyzers, Rev. Sci. Instrum., 2012,
- Time/energy spectrogram of Differential Energy Flux of electrons from the 8 combined B-sides of PES [PES_B_ESA_DEF]
Data are corrected for background counts and then converted to Differential Energy Flux as per Collinson et al., The Geometric Factor of electrostatic plasma analyzers, Rev. Sci. Instrum., 2012,
Data Access Code Examples written in
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- ENDURANCE_L2-GF_PES
- Description
The Endurance PES instrument was comprised of 8 boom-mounted Dual Electrostatic Analyzer (DESA) sensors, and a main electronics box (MEB). Each DESA sensor had two look directions; A-side (looking down to Earth from launch to pitch-over maneuver, and then up to space until loss of signal (LOS)); and B-side (looking up to space from launch to pitch-over, and then down to Earth until loss of signal (LOS)). The sensors were synchronized by the MEB and cross-calibrated to look at approximately the same energy at the same time. A PES sweep consisted of 81 different steps and took 10 seconds. At each step, a voltage could be applied to the Electrostatic Analyzer (ESA) and/or the Retarding Potential Analyzer (RPA). Of these 81 steps; 3 (0, 1, 44) were used to take background counts with the ESA grounded, and to fire the SLP; 34 (2:9, 33, 56:80) were used to collect the standard resolution data measurement (15% DE/E, 10eV to 1keV) using the ESA alone; and 44 (10:32, 34:43, 45:55) were used to collect the high-resolution measurement (0.5% DE/E, 20.3 eV to 25.85 eV) using the ESA and RPA combined. These calibration data present the variation in Geometric Factor with PES operation during flight
- Data Variable Descriptions
- Photoelectron Spectrometer Energy Step [step]
- Variation of geometric factor of PES all sensors, A-side during operation [PES_A_GF]
- Variation of geometric factor of PES all sensors, B-side during operation [PES_B_GF]
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- ENDURANCE_L2-RPA_PES
- Description
The Endurance PES instrument was comprised of 8 boom-mounted Dual Electrostatic Analyzer (DESA) sensors, and a main electronics box (MEB). Each DESA sensor had two look directions; A-side (looking down to Earth from launch to pitch-over maneuver, and then up to space until loss of signal (LOS)); and B-side (looking up to space from launch to pitch-over, and then down to Earth until loss of signal (LOS)). The sensors were synchronized by the MEB and cross-calibrated to look at approximately the same energy at the same time. These data present the high-resolution measurement (0.5% DE/E, 20.3 eV to 25.85 eV) using the ESA and RPA counts from all the sensors combined together
- Data Variable Descriptions
- High resolution Time/energy spectrogram of Differential Energy Flux of electrons from the 8 combined A-sides of PES. Uncorrected for Spacecraft Potential [PES_A_RPA_DEF]
Data are corrected for background counts and then converted to Differential Energy Flux as per Collinson et al., The Geometric Factor of electrostatic plasma analyzers, Rev. Sci. Instrum., 2012. NAN values resulting from contamination from pre-planned thruster firings. Data are uncorrected for spacecraft potential
- High resolution Time/energy spectrogram of Differential Energy Flux of electrons from the 8 combined B-sides of PES. Uncorrected for Spacecraft Potential [PES_B_RPA_DEF]
Data are corrected for background counts and then converted to Differential Energy Flux as per Collinson et al., The Geometric Factor of electrostatic plasma analyzers, Rev. Sci. Instrum., 2012. NAN values resulting from contamination from pre-planned thruster firings. Data are uncorrected for spacecraft potential
- High resolution Time/energy spectrogram of Differential Energy Flux of electrons from the 8 combined A-sides of PES. Corrected for Spacecraft Potential [PES_A_RPA_DEF_CORR]
Data are corrected for background counts and then converted to Differential Energy Flux as per Collinson et al., The Geometric Factor of electrostatic plasma analyzers, Rev. Sci. Instrum., 2012. NAN values resulting from contamination from pre-planned thruster firings. Data are Corrected for spacecraft potential from SLP instrument
- High resolution Time/energy spectrogram of Differential Energy Flux of electrons from the 8 combined B-sides of PES. Corrected for Spacecraft Potential [PES_B_RPA_DEF_CORR]
Data are corrected for background counts and then converted to Differential Energy Flux as per Collinson et al., The Geometric Factor of electrostatic plasma analyzers, Rev. Sci. Instrum., 2012. NAN values resulting from contamination from pre-planned thruster firings. Data are Corrected for spacecraft potential from SLP instrument
- Energy of each RPA scan adjusted for spacecraft potential [energy]
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- ENDURANCE_L2_SLP
- Description
The Endurance SLP was a needle probe mounted on the forward Fo’c’sle of the spacecraft. It measured thermal plasma density, electron temperature, the potential difference between the spacecraft and ambient plasma (plasma potential) and the relative potential of the spacecraft. SLP performed an active (20ms) sweep once every 5 seconds, wherein a sweeping +/- 5V voltage was applied to the needle. The data products here were derived from the I-V curves and intercalibrated with EISCAT Radar and the PES instrument.
- Data Variable Descriptions
- Mission elapsed time in seconds [tof]
Seconds from T-0, where T-0 is defined by ACS Umbi-pull, occurring at 2022-05-11T01:31:00.2207 UT
- Altitude of Endurance during measurement [alt]
Altitude measured by onboard GPS
- Thermal Plasma (Electron & Ion) Density in particles per cubic centimeter [slp_ni]
- Error in Plasma Density in particles per cubic centimeter [slp_ni_error]
- Thermal Electron Temperature in Kelvin [slp_te]
- Thermal Electron Temperature Error in Kelvin [slp_te_error]
- Absolute potential difference between plasma and Endurance [slp_vsc]
- Plasma potential error in Volts [slp_vsc_error]
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- ENDURANCE_L3_PES
- Description
The Endurance mission was designed to make the first measurement of Earth’s electric potential. This Level 3 data product is the potential drop below Endurance as measured from the shift in the peak of the N2 A2 Πu He-II photopeak, corrected for spacecraft potential by the Swept Langmuir Probe.
- Data Variable Descriptions
- Altitude of Endurance [alt]
- Potential Drop Below Endurance [Potential_Drop]
- Error in Potential Drop Below Endurance [Potential_Drop_Error]
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- EQ_PP_AUX (spase://NASA/NumericalData/Equator-S/Ephemeris/PrimeParameter/PT4S)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.8 AUX
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003
- Caveats
No caveats
- Data Variable Descriptions
- Spacecraft position, vector GSE [sc_r_xyz_gse%eq_pp_aux]
- Spacecraft velocity, vector GSE [sc_v_xyz_gse%eq_pp_aux]
- GSE latitude of spacecraft axis, scalar [sc_at_lat%eq_pp_aux]
- GSE longitude of spacecraft axis, scalar [sc_at_long%eq_pp_aux]
- Low rate or high rate telemetry, scalar [tm_rate%eq_pp_aux]
- Rotation angle GSE to GSM, scalar [gse_gsm%eq_pp_aux]
- Dipole Tilt in GSM z-x Plane, scalar [dipole_tilt%eq_pp_aux]
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- EQ_PP_EDI (spase://NASA/NumericalData/Equator-S/EDI/PP/PT60s)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.2 EDI
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003
- Caveats
No caveats
- Data Variable Descriptions
- Drift velocity, vector GSE [V_ed_xyz_gse%eq_pp_edi]
- Electric field, vector GSE [E_xyz_gse%eq_pp_edi]
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- EQ_PP_EPI (spase://NASA/NumericalData/Equator-S/EPI/PP/PT60S)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.5 EPI
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003 * 1997 Dec - first release v1.0 * 1998 Apr - v1.4 PPDB Production Release * 1998 Dec - v2.0
- Caveats
See also `TEXT' global attr. for Caveats file location
- Data Variable Descriptions
- Electron flux (23keV<E<50keV), scalar [J_e_1%eq_pp_epi]
- Electron flux (50keV<E<133keV), scalar [J_e_2%eq_pp_epi]
- Electron flux (133keV<E<226keV), scalar [J_e_3%eq_pp_epi]
- Proton flux (45keV<E<73keV), scalar [J_p_1%eq_pp_epi]
- Proton flux (73keV<E<129keV), scalar [J_p_2%eq_pp_epi]
- Proton flux (129keV<E<407keV), scalar [J_p_3%eq_pp_epi]
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- EQ_PP_ICI (spase://NASA/NumericalData/Equator-S/ICI/PP/PT60S)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.3 ICI
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003 none
- Caveats
This file has particularly bad background problems due to intense radiation belts from ~08:00-10:00 UT. This file contains both onboard calculated moments (labeled "raw" with an "*" in the name) and moments calculated on the ground from 3D distributions (labeled "final"). Quantitative analysis should be done with the "final" moments. The raw data should only be used qualitatively for identifying regions and temporal variations. It has large errors, particularly in Vz in spacecraft coordinates. O+ and He+ data should not be used in the magnetosheath or at low L-values, due to background problems. Contact the LI at Lynn.Kistler@unh.edu if the data you need is not available on-line.
- Data Variable Descriptions
- ICI status flags for operational modes, data compression, scalar ([0]: 0=bad,1=caution,2=OK) [Status%eq_pp_ici]
- Final proton density (3d), scalar [N_p%eq_pp_ici]
- Final oxygen+ density (3d), scalar [N_O1%eq_pp_ici]
- Final Helium+ density (3d), scalar [N_He1%eq_pp_ici]
- Final proton bulk velocity (3d), vector GSE [V_p_xyz_gse%eq_pp_ici]
- Final oxygen+ bulk velocity (3d), vector GSE [V_O1_xyz_gse%eq_pp_ici]
- Final proton temperature (3d), scalar [T_p%eq_pp_ici]
- Final oxygen+ temperature (3d), scalar [T_O1%eq_pp_ici]
- Final Helium+ bulk velocity (3d), vector GSE [V_HE1_xyz_gse%eq_pp_ici]
- Final proton temperature tensor (3d), 1 parallel and 2 perpendicular GSE components [T_p_xx_gse%eq_pp_ici]
- Final oxygen+ temperature tensor (3d), 1 parallel and 2 perpendicular GSE components [T_O1_xx_gse%eq_pp_ici]
- Final Helium+ temperature (3d), scalar [T_HE1%eq_pp_ici]
- Raw proton density (onboard), scalar [N_p*%eq_pp_ici]
- Raw oxygen+ density (onboard), scalar [N_O1*%eq_pp_ici]
- Raw proton bulk velocity (onboard), vector SCS [V_p_xyz_scs*%eq_pp_ici]
- Raw oxygen+ bulk velocity (onboard), vector SCS [V_O1_xyz_scs*%eq_pp_ici]
- Raw proton temperature (onboard), scalar [T_p*%eq_pp_ici]
- Raw oxygen+ temperature (onboard), scalar [T_O1*%eq_pp_ici]
- Raw proton bulk velocity (onboard), vector GSE [V_p_xyz_gse*%eq_pp_ici]
- Raw oxygen+ bulk velocity (onboard), vector GSE [V_O1_xyz_gse*%eq_pp_ici]
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- EQ_PP_MAM (spase://NASA/NumericalData/Equator-S/MAM/PP/PT60S)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.1 MAM
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003 MAM_SINGLE (128 Hz) and MAM_DUAL (64 Hz) instrument acquisition modes are available
- Caveats
no valid data
- Data Variable Descriptions
- Magnetic field, vector GSE [B_xyz_gse%eq_pp_mam]
- Sum of the component variances, scalar [B_nsigma_t%eq_pp_mam]
- Field magnitude variance, scalar [B_nsigma_b%eq_pp_mam]
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- EQ_PP_PCD (spase://NASA/NumericalData/Equator-S/PCD/PP/PT60S)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.6 PCD
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003 Record of history of modification of CDF n/a.
- Caveats
partly noisy data noisy data
- Data Variable Descriptions
- Ion current, scalar [I_ion%eq_pp_pcd]
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- EQ_SP_SFD (spase://NASA/NumericalData/Equator-S/SFD/PP/PT60S)
- Description
see EQS-MPE-EDC-01, Equator-S Data Center Manual, section 4.7 SFD
- Modification History
Produced in accordance with ESDS file specification Reference Document for CSDS CDF File Design, DS-QMW-TN-0003 none
- Caveats
The used electron sensitivity 4.3e-7 A/(W/cm2) results from questionable calibration. The resulting upper limits for electron energy fluxes are too high.
- Data Variable Descriptions
- Max. energy flux e- (>0.26MeV), scalar [F_e>0.26%eq_sp_sfd]
- Max. energy flux e- (>0.44MeV), scalar [F_e>0.44%eq_sp_sfd]
- Max. energy flux e- (>1.9.MeV), scalar [F_e>1.9%eq_sp_sfd]
- Max. energy flux e+ (>6.3MeV), scalar [F_p>6.3%eq_sp_sfd]
- Max. energy flux e+ (>9.5MeV), scalar [F_p>9.5%eq_sp_sfd]
- Max. energy flux e+ (>34.9MeV), scalar [F_p>34.9%eq_sp_sfd]
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- ERG_HEP_L2_OMNIFLUX
- Description
No TEXT global attribute value.
- Modification History
Created 10/2021
- Data Variable Descriptions
- FEDO-H: Omni-directional flux of HEP-H min [FEDO_H]
- Omni-directional flux of HEP-L mean [FEDO_L]
- ---> FEDO_L as stacked time series [FEDO_L_T]
- ---> FEDO_H as stacked time series [FEDO_H_T]
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- ERG_LEPE_L2_OMNIFLUX
- Description
No TEXT global attribute value.
- Modification History
Created 10/2021
- Data Variable Descriptions
- FEDO: Omni-directional electron number flux [FEDO]
- ---> FEDO as stacked time series [FEDO_T]
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- Data Variable Descriptions
- FPDO: H+ Omni number flux [FPDO]
- ---> FPDO as stacked time series [FPDO_T]
- FHEDO: He+ Omni number flux [FHEDO]
- ---> FHEDO as stacked time series [FHEDO_T]
- FODO: O+ Omni number flux [FODO]
- ---> FODO as stacked time series [FODO_T]
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- Data Variable Descriptions
- [WILL NOT PLOT] Unidirectional Differential Electron Flux [FEDU]
- ---> 73 keV Unidirectional differential electron flux [FEDU_e2]
- ---> 35 keV Unidirectional differential electron flux [FEDU_e6]
- ---> 17 keV Unidirectional differential electron flux [FEDU_e10]
- ---> 8.4 keV Unidirectional differential electron flux [FEDU_e14]
- [WILL NOT PLOT] Unidirectional Differential Electron Flux (before noise correction) [FEDU_n]
- ---> 73 keV Unidirectional differential electron flux (before noise correction) [FEDU_n_e2]
- ---> 35 keV Unidirectional differential electron flux (before noise correction) [FEDU_n_e6]
- ---> 17 keV Unidirectional differential electron flux (before noise correction) [FEDU_n_e10]
- ---> 8.4 keV Unidirectional differential electron flux (before noise correction) [FEDU_n_e14]
- [WILL NOT PLOT] Unidirectional Differential Electron Energy Flux [FEEDU]
- ---> 73 keV Unidirectional differential electron energy flux [FEEDU_e2]
- ---> 35 keV Unidirectional differential electron energy flux [FEEDU_e6]
- ---> 17 keV Unidirectional differential electron energy flux [FEEDU_e10]
- ---> 8.4 keV Unidirectional differential electron energy flux [FEEDU_e14]
- [WILL NOT PLOT] Directional electron count (Noise contained) [count_raw]
- Spin phase number [spin_phase]
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- Data Variable Descriptions
- FEDO: Omni-directional Electron Flux [FEDO]
- ---> FEDO as stacked time series [FEDO_T]
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- Data Variable Descriptions
- Index for data quality [Quality_flag]
- Spin phase number [spin_phase]
- Flag for data reduction mode [mode_reduction]
- [CDAWeb plots not supported] Unidirectional differential proton flux [FPDU]
- ---> 88 keV/q Unidirectional differential proton flux [FPDU_e2]
- ---> 36 keV/q Unidirectional differential proton flux [FPDU_e6]
- ---> 15 keV/q Unidirectional differential proton flux [FPDU_e10]
- ---> 6.3 keV/q Unidirectional differential proton flux [FPDU_e14]
- [CDAWeb plots not supported] Unidirectional differential proton energy flux [FPEDU]
- ---> 88 keV/q Unidirectional differential proton energy flux [FPEDU_e2]
- ---> 36 keV/q Unidirectional differential proton energy flux [FPEDU_e6]
- ---> 15 keV/q Unidirectional differential proton energy flux [FPEDU_e10]
- ---> 6.3 keV/q Unidirectional differential proton energy flux [FPEDU_e14]
- [CDAWeb plots not supported] Proton raw count [count_raw_P]
- Energy for FPDU [FPDU_Energy]
- [CDAWeb plots not supported] Unidirectional differential He++ flux [FHE2DU]
- ---> 88 keV/q Unidirectional differential He++ flux [FHE2DU_e2]
- ---> 36 keV/q Unidirectional differential He++ flux [FHE2DU_e6]
- ---> 15 keV/q Unidirectional differential He++ flux [FHE2DU_e10]
- ---> 6.3 keV/q Unidirectional differential He++ flux [FHE2DU_e14]
- [CDAWeb plots not supported] Unidirectional differential He++ energy flux [FHE2EDU]
- ---> 88 keV/q Unidirectional differential He++ energy flux [FHE2EDU_e2]
- ---> 36 keV/q Unidirectional differential He++ energy flux [FHE2EDU_e6]
- ---> 15 keV/q Unidirectional differential He++ energy flux [FHE2EDU_e10]
- ---> 6.3 keV/q Unidirectional differential He++ energy flux [FHE2EDU_e14]
- [CDAWeb plots not supported] He++ raw count [count_raw_HE2]
- Energy for FHE2DU [FHE2DU_Energy]
- [CDAWeb plots not supported] Unidirectional differential He+ flux [FHEDU]
- ---> 88 keV/q Unidirectional differential He+ flux [FHEDU_e2]
- ---> 36 keV/q Unidirectional differential He+ flux [FHEDU_e6]
- ---> 15 keV/q Unidirectional differential He+ flux [FHEDU_e10]
- ---> 6.3 keV/q Unidirectional differential He+ flux [FHEDU_e14]
- [CDAWeb plots not supported] Unidirectional differential He+ energy flux [FHEEDU]
- ---> 88 keV/q Unidirectional differential He+ energy flux [FHEEDU_e2]
- ---> 36 keV/q Unidirectional differential He+ energy flux [FHEEDU_e6]
- ---> 15 keV/q Unidirectional differential He+ energy flux [FHEEDU_e10]
- ---> 6.3 keV/q Unidirectional differential He+ energy flux [FHEEDU_e14]
- [CDAWeb plots not supported] He+ raw count [count_raw_HE]
- Energy for FHEDU [FHEDU_Energy]
- [CDAWeb plots not supported] Unidirectional differential O++ flux [FOPPDU]
- ---> 88 keV/q Unidirectional differential O++ flux [FOPPDU_e2]
- ---> 36 keV/q Unidirectional differential O++ flux [FOPPDU_e6]
- ---> 15 keV/q Unidirectional differential O++ flux [FOPPDU_e10]
- ---> 6.3 keV/q Unidirectional differential O++ flux [FOPPDU_e14]
- [CDAWeb plots not supported] Unidirectional differential O++ energy flux [FOPPEDU]
- ---> 88 keV/q Unidirectional differential O++ energy flux [FOPPEDU_e2]
- ---> 36 keV/q Unidirectional differential O++ energy flux [FOPPEDU_e6]
- ---> 15 keV/q Unidirectional differential O++ energy flux [FOPPEDU_e10]
- ---> 6.3 keV/q Unidirectional differential O++ energy flux [FOPPEDU_e14]
- [CDAWeb plots not supported] O++ raw count [count_raw_OPP]
- Energy for FOPPDU [FOPPDU_Energy]
- [CDAWeb plots not supported] Unidirectional differential O+ flux [FODU]
- ---> 88 keV/q Unidirectional differential O+ flux [FODU_e2]
- ---> 36 keV/q Unidirectional differential O+ flux [FODU_e6]
- ---> 15 keV/q Unidirectional differential O+ flux [FODU_e10]
- ---> 6.3 keV/q Unidirectional differential O+ flux [FODU_e14]
- [CDAWeb plots not supported] Unidirectional differential O+ energy flux [FOEDU]
- ---> 88 keV/q Unidirectional differential O+ energy flux [FOEDU_e2]
- ---> 36 keV/q Unidirectional differential O+ energy flux [FOEDU_e6]
- ---> 15 keV/q Unidirectional differential O+ energy flux [FOEDU_e10]
- ---> 6.3 keV/q Unidirectional differential O+ energy flux [FOEDU_e14]
- [CDAWeb plots not supported] O+ raw count [count_raw_O]
- Energy for FODU [FODU_Energy]
- [CDAWeb plots not supported] Unidirectional differential O2+ flux [FO2PDU]
- ---> 88 keV/q Unidirectional differential O2+ flux [FO2PDU_e2]
- ---> 36 keV/q Unidirectional differential O2+ flux [FO2PDU_e6]
- ---> 15 keV/q Unidirectional differential O2+ flux [FO2PDU_e10]
- ---> 6.3 keV/q Unidirectional differential O2+ flux [FO2PDU_e14]
- [CDAWeb plots not supported] Unidirectional differential O2+ energy flux [FO2PEDU]
- ---> 88 keV/q Unidirectional differential O2+ energy flux [FO2PEDU_e2]
- ---> 36 keV/q Unidirectional differential O2+ energy flux [FO2PEDU_e6]
- ---> 15 keV/q Unidirectional differential O2+ energy flux [FO2PEDU_e10]
- ---> 6.3 keV/q Unidirectional differential O2+ energy flux [FO2PEDU_e14]
- [CDAWeb plots not supported] O2+ raw count [count_raw_O2P]
- Energy for FO2PDU [FO2PDU_Energy]
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- Data Variable Descriptions
- Minimum and maximum energy for FIDO [FIDO_Energy]
- FPDO: Omni-directional proton flux [FPDO]
- ---> FPDO as stacked time series [FPDO_T]
- FHE2DO: Omni-directional He++ Flux [FHE2DO]
- ---> FHE2DO as stacked time series [FHE2DO_T]
- FHEDO: Omni-directional He+ flux [FHEDO]
- ---> FHEDO as stacked time series [FHEDO_T]
- FOPPDO: Omni-directional O++ flux [FOPPDO]
- ---> FOPPDO as stacked time series [FOPPDO_T]
- FODO: Omni-directional O+ flux [FODO]
- ---> FODO as stacked time series [FODO_T]
- FO2PDO: Omni-directional O2+ flux [FO2PDO]
- ---> FO2PDO as stacked time series [FO2PDO_T]
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- Data Variable Descriptions
- 8 sec resolution B in DSI coordinates [mag_8sec_dsi]
- 8 sec resolution B in GSE coordinates [mag_8sec_gse]
- 8 sec resolution B in GSM coordinates [mag_8sec_gsm]
- 8 sec resolution B in SM coordinates [mag_8sec_sm]
- 8 sec resolution total B [magt_8sec]
- 8 sec resolution RMSD for DSI [rmsd_8sec_dsi]
- 8 sec resolution RMSD for GSE [rmsd_8sec_gse]
- 8 sec resolution RMSD for GSM [rmsd_8sec_gsm]
- 8 sec resolution RMSD for SM [rmsd_8sec_sm]
- 8 sec resolution Bt RMSD [rmsd_8sec]
- The number of data points for RMSD [n_rmsd_8sec]
- Dynamic Range [dyn_rng_8sec]
0: +/-8192 nT; 1: +/-65536 nT
- Quality Flag [quality_8sec]
(Elements) 0th-2nd: offset; 3rd: RMS; 4th: period; 5th: time seriese; 6th: range 7th: invalid data; 8th:MTQ; 9th:eclipse; 10-13th: reserved; 14th: sampling rate; 15th: attitude.
- Quality Flag for Geophysical Coordinates [quality_8sec_gc]
(Value) 0: good; 1: caution; 2: poor; 3: ignore.
- 8 sec resolution IGRF B in DSI [igrf_8sec_dsi]
- 8 sec resolution IGRF B in GSE [igrf_8sec_gse]
- 8 sec resolution IGRF B in GSM [igrf_8sec_gsm]
- 8 sec resolution IGRF B in SM [igrf_8sec_sm]
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- Data Variable Descriptions
- Geocentric latitude, longitude, and radial distance of the satellite position in unit of deg, deg, and km, respectively [pos_llr]
- Spacecraft positions in GSE coordinates [pos_gse]
- Spacecraft positions in GSM coordinates [pos_gsm]
- Spacecraft positions in SM coordinates [pos_sm]
- R, magnetic latitude, and magnetic local time of spacecraft positions (using IGRF model) [pos_rmlatmlt]
- Spacecraft positions mapped onto the magnetic equator (using IGRF model) [pos_eq]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the northern hemisphere (using IGRF model) [pos_iono_north]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the southern hemisphere (using IGRF model) [pos_iono_south]
- Magnetic field at spacecraft positions, using IGRF model [pos_blocal]
- Magnetic field strength at spacecraft positions, using IGRF model [pos_blocal_mag]
- Magnetic field at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq]
- Magnetic field strength at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq_mag]
- McIlwain's L parameter for pitch angles of 30, 60, and 90deg [pos_Lm]
- Spacecraft velocity in GSE coordinates [vel_gse]
- Spacecraft velocity in GSM coordinates [vel_gsm]
- Spacecraft velocity in SM coordinates [vel_sm]
- Spin number [spn_num]
- Flag for maneuver preparation [man_prep_flag]
- Flag for maneuver on/off [man_on_flag]
- Flag for eclipse [eclipse_flag]
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- ERG_ORB_L3
- Description
ERG orbit (The L-shell parameters and adiabatic invariants in this file are calculated using the International Radiation Belt Environment Modeling (IRBEM) library (https://craterre.onecert.fr/prbem/irbem/description.html).)
- Modification History
Created 09/2018
- Data Variable Descriptions
- Spacecraft positions mapped onto the magnetic equator (using OP77Q model) [pos_eq_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
- Geomagnetic latitude and longitude of spacecraft footprints at 100km in the northern hemisphere (using OP77Q model) [pos_iono_north_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
- Geomagnetic latitude and longitude of spacecraft footprints at 100km in the southern hemisphere (using OP77Q model) [pos_iono_south_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
- McIlwain's L parameter for pitch angles of 90, 80, 70, 60, 50, 40, 30, 20 and 10 deg in descending order (using OP77Q model) [pos_lmc_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
- L-star parameter for pitch angles of 90, 80, 70, 60, 50, 40, 30, 20 and 10 deg in descending order (using OP77Q model) [pos_lstar_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
- I: the integral invariant (Roederer, J. G., Dynamics of the geomagnetically trapped radiation, Springer New York, pp. 48, 1970) [pos_I_op]
1.The second adiabatic invariant: K=I*Bm^(1/2), in which Bm is magnetic field intensity at mirror point for a given pitch angle. 2.The OP77Q model used here is Olson & Pfitzer Quiet (1977).
- Magnetic field at spacecraft position (using OP77Q model) [pos_blocal_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
- Magnetic field strength at spacecraft positions mapped onto the magnetic equator (using OP77Q model) [pos_beq_op]
The OP77Q model used here is Olson & Pfitzer Quiet (1977)
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- Data Variable Descriptions
- Geocentric latitude, longitude, and radial distance of the satellite position in unit of deg, deg, and km, respectively [pos_llr]
- Spacecraft positions in GSE coordinates [pos_gse]
- Spacecraft positions in GSM coordinates [pos_gsm]
- Spacecraft positions in SM coordinates [pos_sm]
- R, magnetic latitude, and magnetic local time of spacecraft positions (using IGRF model) [pos_rmlatmlt]
- Spacecraft positions mapped onto the magnetic equator (using IGRF model) [pos_eq]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the northern hemisphere (using IGRF model) [pos_iono_north]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the southern hemisphere (using IGRF model) [pos_iono_south]
- Magnetic field at spacecraft positions, using IGRF model [pos_blocal]
- Magnetic field strength at spacecraft positions, using IGRF model [pos_blocal_mag]
- Magnetic field at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq]
- Magnetic field strength at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq_mag]
- McIlwain's L parameter for pitch angles of 30, 60, and 90deg [pos_Lm]
- Spacecraft velocity in GSE coordinates [vel_gse]
- Spacecraft velocity in GSM coordinates [vel_gsm]
- Spacecraft velocity in SM coordinates [vel_sm]
- Spin number [spn_num]
- Flag for maneuver preparation [man_prep_flag]
- Flag for maneuver on/off [man_on_flag]
- Flag for eclipse [eclipse_flag]
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- Data Variable Descriptions
- Geocentric latitude, longitude, and radial distance of the satellite position in unit of deg, deg, and km, respectively [pos_llr]
- Spacecraft positions in GSE coordinates [pos_gse]
- Spacecraft positions in GSM coordinates [pos_gsm]
- Spacecraft positions in SM coordinates [pos_sm]
- R, magnetic latitude, and magnetic local time of spacecraft positions (using IGRF model) [pos_rmlatmlt]
- Spacecraft positions mapped onto the magnetic equator (using IGRF model) [pos_eq]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the northern hemisphere (using IGRF model) [pos_iono_north]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the southern hemisphere (using IGRF model) [pos_iono_south]
- Magnetic field at spacecraft positions, using IGRF model [pos_blocal]
- Magnetic field strength at spacecraft positions, using IGRF model [pos_blocal_mag]
- Magnetic field at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq]
- Magnetic field strength at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq_mag]
- McIlwain's L parameter for pitch angles of 30, 60, and 90deg [pos_Lm]
- Spacecraft velocity in GSE coordinates [vel_gse]
- Spacecraft velocity in GSM coordinates [vel_gsm]
- Spacecraft velocity in SM coordinates [vel_sm]
- Spin number [spn_num]
- Flag for maneuver preparation [man_prep_flag]
- Flag for maneuver on/off [man_on_flag]
- Flag for eclipse [eclipse_flag]
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- Data Variable Descriptions
- Spacecraft positions in GSE coordinates [pos_gse]
- Spacecraft positions in GSM coordinates [pos_gsm]
- Spacecraft positions in SM coordinates [pos_sm]
- R, magnetic latitude, and magnetic local time of spacecraft positions (using IGRF model) [pos_rmlatmlt]
- Spacecraft positions mapped onto the magnetic equator (using IGRF model) [pos_eq]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the northern hemisphere (using IGRF model) [pos_iono_north]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the southern hemisphere (using IGRF model) [pos_iono_south]
- Magnetic field at spacecraft positions, using IGRF model [pos_blocal]
- Magnetic field strength at spacecraft positions, using IGRF model [pos_blocal_mag]
- Magnetic field at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq]
- Magnetic field strength at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq_mag]
- McIlwain's L parameter for pitch angles of 30, 60, and 90deg [pos_Lm]
- Spacecraft velocity in GSE coordinates [vel_gse]
- Spacecraft velocity in GSM coordinates [vel_gsm]
- Spacecraft velocity in SM coordinates [vel_sm]
- Spin number [spn_num]
- Flag for maneuver preparation [man_prep_flag]
- Flag for maneuver on/off [man_on_flag]
- Flag for eclipse [eclipse_flag]
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- Data Variable Descriptions
- Geocentric latitude, longitude, and radial distance of the satellite position in unit of deg, deg, and km, respectively [pos_llr]
- Spacecraft positions in GSE coordinates [pos_gse]
- Spacecraft positions in GSM coordinates [pos_gsm]
- Spacecraft positions in SM coordinates [pos_sm]
- R, magnetic latitude, and magnetic local time of spacecraft positions (using IGRF model) [pos_rmlatmlt]
- Spacecraft positions mapped onto the magnetic equator (using IGRF model) [pos_eq]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the northern hemisphere (using IGRF model) [pos_iono_north]
- Geographic latidue and longitude of spacecraft footprints at 100 km in the southern hemisphere (using IGRF model) [pos_iono_south]
- Magnetic field at spacecraft positions, using IGRF model [pos_blocal]
- Magnetic field strength at spacecraft positions, using IGRF model [pos_blocal_mag]
- Magnetic field at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq]
- Magnetic field strength at spacecraft positions mapped onto the magnetic equator , using IGRF model [pos_beq_mag]
- McIlwain's L parameter for pitch angles of 30, 60, and 90deg [pos_Lm]
- Spacecraft velocity in GSE coordinates [vel_gse]
- Spacecraft velocity in GSM coordinates [vel_gsm]
- Spacecraft velocity in SM coordinates [vel_sm]
- Spin number [spn_num]
- Flag for maneuver preparation [man_prep_flag]
- Flag for maneuver on/off [man_on_flag]
- Flag for eclipse [eclipse_flag]
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- ERG_PWE_EFD_L2_E_SPIN
- Description
No TEXT global attribute value.
- Modification History
Created 01/2022
- Data Variable Descriptions
- ERG PWE/EFD DPB U antenna spinfit waveform [Eu_dsi]
- ERG PWE/EFD DPB V antenna spinfit waveform [Ev_dsi]
- Averaged residue of sine fit of Eu [Eu_residual]
- Phase offset of sine fit of Eu [Eu_phase]
- Averaged residue of sine fit of Ev [Ev_residual]
- Phase offset of sine fit of Ev [Ev_phase]
- quality flag for EFD [quality_flag]
b0:see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved,, b16: Eu or Ev -- saturated, b17:U1, U2 cannot used, b18: V1, V2 cannot used, b19:U1 not biased, b20:U2 not biased, b21:V1 not biased, b22: V2 not biased, b23: WPT-Pre AC-Gain = L (EFD Gain: affected), b24: Slow-sweep, b25: Low time accuracy (0-1 sec delay)
- Trend offset of sine fit of Eu [Eu_trend]
- Trend offset of sine fit of Ev [Ev_trend]
- Offset of sine fit of Eu1 [Eu_offset]
- ERG PWE/EFD SPB U1 probe spinfit waveform [Eu1_dsi]
- Offset of sine fit of Ev [Ev_offset]
- ERG PWE/EFD SPB V1 probe spinfit waveform [Ev1_dsi]
- ERG PWE/EFD SPB U2 probe spinfit waveform [Eu2_dsi]
- ERG PWE/EFD SPB V2 probe spinfit waveform [Ev2_dsi]
- Offset of sine fit of Eu1 [Eu1_phase]
- Averaged residue of sine fit of Eu1 [Eu1_residual]
- Offset of sine fit of Ev1 [Ev1_phase]
- Averaged residue of sine fit of Ev1 [Ev1_residual]
- Offset of sine fit of Eu2 [Eu2_phase]
- Averaged residue of sine fit of Eu2 [Eu2_residual]
- Offset of sine fit of Ev2 [Ev2_phase]
- Averaged residue of sine fit of Ev2 [Ev2_residual]
- Offset of sine fit of Eu1 [Eu1_offset]
- Offset of sine fit of Ev1 [Ev1_offset]
- Offset of sine fit of Eu2 [Eu2_offset]
- Offset of sine fit of Ev2 [Ev2_offset]
- Trend offset of sine fit of Eu1 [Eu1_trend]
- Trend offset of sine fit of Ev1 [Ev1_trend]
- Trend offset of sine fit of Eu2 [Eu2_trend]
- Trend offset of sine fit of Ev2 [Ev2_trend]
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- Data Variable Descriptions
- quality flag for EFD [quality_flag]
b0:see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Eu or Ev saturated, b17:U1 & U2 cannot used, b18:V1 & V2 cannot used, b19:U1 not biased, b20:U2 not biased, b21:V1 not biased, b22:V2 not biased, b23:WPT-Pre AC-Gain = L, b24:Slow-sweep CAL, b25:0-1sec delay, b26:abs(|Eu|-|Ev|):>1mV/m, b27:Direction(Eu-Ev):>15deg, b28-31:reserved
- Voltage of probe U1 [Vu1]
- Voltage of probe V1 [Vv1]
- Voltage of probe U2 [Vu2]
- Voltage of probe V2 [Vv2]
- Averaged voltage of all probes [Vave]
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- ERG_PWE_HFA_L2_SPEC_HIGH
- Description
No TEXT global attribute value.
- Modification History
Created 05/2021
- Data Variable Descriptions
- Power spectra Eu^2 [spectra_eu]
- Power spectra Ev^2 [spectra_ev]
- Power spectra Bgamma^2 [spectra_bgamma]
- Power spectra Eu^2+Ev^2 [spectra_esum]
- Power spectra E-right^2 [spectra_er]
- Power spectra E-left^2 [spectra_el]
- Power spectra Eu^2+Ev^2 or Eu^2 or Ev^2 [spectra_e_mix]
- spectra axial ratio [spectra_e_ar]
-1:LH,+1:RH
- spectral matrix Eu-Ev* [spectra_eu_ev]
- ---> spectral matrix Eu-Ev* [1] [spectra_eu_ev_d1]
- ---> spectral matrix Eu-Ev* [2] [spectra_eu_ev_d2]
- spectral matrix Eu-Bgamma* [spectra_eu_bg]
- ---> spectral matrix Eu-Bgamma* [1] [spectra_eu_bg_d1]
- ---> spectral matrix Eu-Bgamma* [2] [spectra_eu_bg_d2]
- spectral matrix Ev-Bgamma* [spectra_ev_bg]
- ---> spectral matrix Ev-Bgamma* [1] [spectra_ev_bg_d1]
- ---> spectral matrix Ev-Bgamma* [2] [spectra_ev_bg_d2]
- e_mix_content [e_mix_content]
0:(Eu+Ev)/2,1:Eu,2:Ev
- HFA Ch1 input [ch1_in]
0:Eu,1:Ev,2:Bgamma,3:Cal
- HFA Ch2 input [ch2_in]
0:Eu,1:Ev,2:Bgamma,3:Cal
- HFA Ch1 gain [ch1_gain]
- HFA Ch2 gain [ch2_gain]
- HFA FPGA observation mode [obs_stat]
0:FFT1,1:FFT8,2:WAVE
- HFA Waveform output status [wav_stat]
0:DIS,1:ENA
- HFA Average mode status [ave_stat]
0:OFF,1:ON
- quality flag [quality_flag]
b0:see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Eu/Ev saturated, b17:Bg saturated, b18:HFA internal CAL, b19-b30:reserved, b31:HK CDF error
- WPT-Pre AC gain [wpt_ac_gain]
0:low gain, 1:high gain
- MSC-PA gain [mscpa_gain]
0:low gain, 1:high gain
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- ERG_PWE_HFA_L2_SPEC_LOW
- Description
No TEXT global attribute value.
- Modification History
Created 05/2021
- Data Variable Descriptions
- Power spectra Eu^2 [spectra_eu]
- Power spectra Ev^2 [spectra_ev]
- Power spectra Bgamma^2 [spectra_bgamma]
- Power spectra Eu^2+Ev^2 [spectra_esum]
- Power spectra E-right^2 [spectra_er]
- Power spectra E-left^2 [spectra_el]
- Power spectra Eu^2+Ev^2 or Eu^2 or Ev^2 [spectra_e_mix]
- spectra axial ratio [spectra_e_ar]
-1:LH,+1:RH
- spectral matrix Eu-Ev* [spectra_eu_ev]
- ---> spectral matrix Eu-Ev* [1] [spectra_eu_ev_d1]
- ---> spectral matrix Eu-Ev* [2] [spectra_eu_ev_d2]
- spectral matrix Eu-Bgamma* [spectra_eu_bg]
- ---> spectral matrix Eu-Bgamma* [1] [spectra_eu_bg_d1]
- ---> spectral matrix Eu-Bgamma* [2] [spectra_eu_bg_d2]
- spectral matrix Ev-Bgamma* [spectra_ev_bg]
- ---> spectral matrix Ev-Bgamma* [1] [spectra_ev_bg_d1]
- ---> spectral matrix Ev-Bgamma* [2] [spectra_ev_bg_d2]
- e_mix_content [e_mix_content]
0:(Eu+Ev)/2,1:Eu,2:Ev
- HFA Ch1 input [ch1_in]
0:Eu,1:Ev,2:Bgamma,3:Cal
- HFA Ch2 input [ch2_in]
0:Eu,1:Ev,2:Bgamma,3:Cal
- HFA Ch1 gain [ch1_gain]
- HFA Ch2 gain [ch2_gain]
- HFA FPGA observation mode [obs_stat]
0:FFT1,1:FFT8,2:WAVE
- HFA Waveform output status [wav_stat]
0:DIS,1:ENA
- HFA Average mode status [ave_stat]
0:OFF,1:ON
- quality flag [quality_flag]
b0:see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Eu/Ev saturated, b17:Bg saturated, b18:HFA internal CAL, b19-b30:reserved, b31:HK CDF error
- WPT-Pre AC gain [wpt_ac_gain]
0:low gain, 1:high gain
- MSC-PA gain [mscpa_gain]
0:low gain, 1:high gain
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- ERG_PWE_HFA_L2_SPEC_MONIT
- Description
No TEXT global attribute value.
- Modification History
Created 05/2021
- Data Variable Descriptions
- Power spectra Eu^2 [spectra_eu]
- Power spectra Ev^2 [spectra_ev]
- Power spectra Bgamma^2 [spectra_bgamma]
- Power spectra Eu^2+Ev^2 [spectra_esum]
- Power spectra E-right^2 [spectra_er]
- Power spectra E-left^2 [spectra_el]
- Power spectra Eu^2+Ev^2 or Eu^2 or Ev^2 [spectra_e_mix]
- spectra axial ratio [spectra_e_ar]
-1:LH,+1:RH
- spectral matrix Eu-Ev* [spectra_eu_ev]
- ---> spectral matrix Eu-Ev* [1] [spectra_eu_ev_d1]
- ---> spectral matrix Eu-Ev* [2] [spectra_eu_ev_d2]
- spectral matrix Eu-Bgamma* [spectra_eu_bg]
- ---> spectral matrix Eu-Bgamma* [1] [spectra_eu_bg_d1]
- ---> spectral matrix Eu-Bgamma* [2] [spectra_eu_bg_d2]
- spectral matrix Ev-Bgamma* [spectra_ev_bg]
- ---> spectral matrix Ev-Bgamma* [1] [spectra_ev_bg_d1]
- ---> spectral matrix Ev-Bgamma* [2] [spectra_ev_bg_d2]
- e_mix_content [e_mix_content]
0:(Eu+Ev)/2,1:Eu,2:Ev
- HFA Ch1 input [ch1_in]
0:Eu,1:Ev,2:Bgamma,3:Cal
- HFA Ch2 input [ch2_in]
0:Eu,1:Ev,2:Bgamma,3:Cal
- HFA Ch1 gain [ch1_gain]
- HFA FPGA observation mode [obs_stat]
0:FFT1,1:FFT8,2:WAVE
- HFA Waveform output status [wav_stat]
0:DIS,1:ENA
- HFA Average mode status [ave_stat]
0:OFF,1:ON
- quality flag [quality_flag]
b0:see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Eu/Ev saturated, b17:Bg saturated, b18:HFA internal CAL, b19-b30:reserved, b31:HK CDF error
- WPT-Pre AC gain [wpt_ac_gain]
0:low gain, 1:high gain
- MSC-PA gain [mscpa_gain]
0:low gain, 1:high gain
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-
ERG_PWE_OFA_L2_SPEC doi:10.34515/data.erg-08000
Proper citations should include the "Accessed on date" in the form . - Description
No TEXT global attribute value.
- Modification History
Created 04/2022
- Data Variable Descriptions
- Electric field spectrum, 132 frequency points [E_spectra_132]
- ---> Time index (Corrected) (E, 132pts) [ti_corrected_e132]
- ---> SWPIA counter (E, 132pts) [swpia_cnt_e132]
- ---> Compression mode (E, 132pts) [cmp_e132]
- ---> Channel (E, 132pts) [ch_e132]
1: Eu, 2: Ev, 3: Eu+Ev, 4: Ev1, 5: Ev2, 6: Ev1+Ev2
- ---> Operation status (E, 132) [obs_cal_e132]
0: OBS, 1: CAL
- ---> Main amplifier gain (E, 132pts) [main_amp_gain_e132]
- ---> LPF threshold (E, 132pts) [lpf_e132]
- ---> Sampling rate (E, 132pts) [sampling_rate_e132]
- ---> WPT-Pre AC gain (E, 132pts) [wpt_ac_gain_e132]
- ---> Quality flag (E, 132pts) [quality_flag_e132]
b0(LSB):see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Eu - saturated, b17:Ev - saturated, b18:reserved, b19:time synchronization failed, b20-b31:reserved
- ---> Time index (Original) (E, 132pts) [ti_original_e132]
- ---> Calibration table ID (E, 132pts) [cal_table_id_e132]
- Magnetic field spectrum, 132 frequency points [B_spectra_132]
- ---> Time index (Corrected) (B, 132pts) [ti_corrected_b132]
- ---> SWPIA counter (B, 132pts) [swpia_cnt_b132]
- ---> Compression mode (B, 132pts) [cmp_b132]
- ---> Channel (B, 132pts) [ch_b132]
1: Balpha, 2: Bbeta, 3: Bgamma, 4: Balpha+Bbeta+Bgamma
- ---> Operation status (B, 132) [obs_cal_b132]
0: OBS, 1: CAL
- ---> Main amplifier gain (B, 132pts) [main_amp_gain_b132]
- ---> LPF threshold (B, 132pts) [lpf_b132]
- ---> Sampling rate (B, 132pts) [sampling_rate_b132]
- ---> MSC-PA gain (B, 132pts) [mscpa_gain_b132]
- ---> Quality flag (B, 132pts) [quality_flag_b132]
b0 (LSB):see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Balpha - saturated, b17:Bbeta - saturated, b18:Bgamma - saturated, b19:time synchronization failed, b20-b31:reserved
- ---> Time index (Original) (B, 132pts) [ti_original_b132]
- ---> Calibration table ID (B, 132pts) [cal_table_id_b132]
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- ERG_XEP_L2_OMNIFLUX
- Description
No TEXT global attribute value.
- Modification History
Created 05/2021
- Data Variable Descriptions
- Omni-directional flux of XEP SSD [FEDO_SSD]
- ---> Omni-directional flux of XEP SSD (overlaid time series) [FEDO_SSD_T]
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- NASA Official: Robert M. Candey (301)286-6707, Robert.M.Candey@nasa.gov
- Curator: Tami Kovalick
- Last Modified: