{"ts1_l2_efi_eac_00000000_v01.cdf":{"CDFFileInfo":[{"FileVersion":"3.9.1"},{"Format":"SINGLE"},{"Majority":"COLUMN"},{"Encoding":"IBMPC"}],"CDFglobalAttributes":[{"Software_name":[{"0":" "}]},{"Generation_date":[{"0":" "}]},{"Software_version":[{"0":" "}]},{"Data_version":[{"0":" "}]},{"Parents":[{"0":" "}]},{"Logical_file_id":[{"0":" "}]},{"Project":[{"0":"STP>Solar-Terrestrial Physics"}]},{"Source_name":[{"0":"TRACERS1>Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellite 1"}]},{"Discipline":[{"0":"Space Physics>Magnetospheric Science"},{"1":"Space Physics>Ionospheric Science"}]},{"Data_type":[{"0":"L2>Level 2 "}]},{"Descriptor":[{"0":"EFI>Electric Fields Instrument"}]},{"PI_name":[{"0":"J. W. Bonnell"}]},{"PI_affiliation":[{"0":"Space Sciences Laboratory"}]},{"TEXT":[{"0":"https://link-springer-com.libproxy.berkeley.edu/article/10.1007/s11214-025-01202-5','AC electric field measurements for SV1.'] "}]},{"Instrument_type":[{"0":"Electric Fields (space)"}]},{"Mission_group":[{"0":"TRACERS"}]},{"Logical_source":[{"0":"ts1_l2_eac"}]},{"Logical_source_description":[{"0":"TRACERS Satellite 1 Level 2 Electric Fields Instrument (EFI) AC Electric Field"}]},{"Rules_of_use":[{"0":"https://tracers.physics.uiowa.edu/rules-use"}]},{"Generated_by":[{"0":" "}]},{"MODS":[{"0":" "}]},{"LINK_TEXT":[{"0":"Portal at"}]},{"LINK_TITLE":[{"0":"UIowa"}]},{"HTTP_LINK":[{"0":"https://tracers.physics.uiowa.edu/"}]}],"CDFVariables":[{"ts1_l2_eac_TSCS":[{"VarDescription":[{"DataType":"CDF_REAL4"},{"NumElements":1},{"NumDims":1},{"DimSizes":[2]},{"RecVariance":"VARY"},{"DimVariances":["VARY"]},{"PadValue":-1.0E+30}]},{"VarAttributes":[{"VAR_NOTES":"Spin-plane electric field vector in the TRACERS spinning frame (TSCS). This frame is defined by X along the +X electric field stacer, Y along the +Y electric field stacer, and Z as the cross product of the X and Y (approximately along the spin-axis of the spacecraft). This AC coupled measurement is sampled at 2048 samples/second and has a resolution of .023 mV/m. Note that there are only 2 components in this vector as the third component cannot be directly inferred and derived for all plasma waves."},{"VAR_TYPE":"data"},{"DEPEND_0":"Epoch"},{"UNITS":"V/m"},{"FIELDNAM":"AC Electric Field in TSCS"},{"CATDESC":"AC Electric Field in TSCS"},{"FILLVAL":-1.0E+31},{"DISPLAY_TYPE":"time_series"},{"COORD_FRAME":"TS1_TSCS"},{"FORMAT":"F8.3"},{"LABLAXIS":"EAC in TS1_TSCS"},{"LABL_PTR_2":"ts1_l2_eac_TSCS_comp_lbl"},{"VALIDMAX":0.674},{"VALIDMIN":-0.674}]}]},{"ts1_l2_eac_TSCS_comp_lbl":[{"VarDescription":[{"DataType":"CDF_CHAR"},{"NumElements":6},{"NumDims":1},{"DimSizes":[2]},{"RecVariance":"NOVARY"},{"DimVariances":["VARY"]},{"NumWrittenRecords":1},{"PadValue":" "},{"BlockingFactor":1}]},{"VarAttributes":[{"VAR_TYPE":"metadata"},{"FIELDNAM":"EAC waveform timeseries labels"},{"CATDESC":"EAC waveform timeseries labels"},{"FORMAT":"%s"}]},{"VarData":["TSCS_x","TSCS_y"]}]},{"ts1_eac_x_calibration":[{"VarDescription":[{"DataType":"CDF_REAL4"},{"NumElements":1},{"NumDims":2},{"DimSizes":[2,257]},{"RecVariance":"NOVARY"},{"DimVariances":["VARY","VARY"]},{"NumWrittenRecords":1},{"PadValue":-1.0E+30},{"BlockingFactor":1}]},{"VarAttributes":[{"VAR_NOTES":"Full real and imaginary frequency response of EAC X antenna for phase and amplitude correction in the frequency domain. 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Spectra are performed with a 512 point hanning window, with 7/8 overlap."},{"VAR_TYPE":"data"},{"DEPEND_0":"ts1_l2_eac_packet_start"},{"UNITS":"(V/m)^2/Hz"},{"FIELDNAM":"AC Electric Field X Spectrum"},{"CATDESC":"AC electric field spectrum X component"},{"FILLVAL":-1.0E+31},{"DISPLAY_TYPE":"time_series"},{"FORMAT":"F8.3"},{"LABLAXIS":"EAC X spec"},{"VALIDMAX":1.0},{"VALIDMIN":0.0},{"DEPEND_1":"Frequency"}]}]},{"ts1_l2_eac_y_spec":[{"VarDescription":[{"DataType":"CDF_REAL4"},{"NumElements":1},{"NumDims":1},{"DimSizes":[257]},{"RecVariance":"VARY"},{"DimVariances":["VARY"]},{"PadValue":-1.0E+30}]},{"VarAttributes":[{"VAR_NOTES":"Spectrogram produced from the Y component of the AC-coupled electric field. Spectra are performed with a 512 point hanning window, with 7/8 overlap."},{"VAR_TYPE":"data"},{"DEPEND_0":"ts1_l2_eac_packet_start"},{"UNITS":"(V/m)^2/Hz"},{"FIELDNAM":"AC Electric Field Y Spectrum"},{"CATDESC":"AC electric field spectrum Y component"},{"FILLVAL":-1.0E+31},{"DISPLAY_TYPE":"time_series"},{"FORMAT":"F8.3"},{"LABLAXIS":"EAC Y spec"},{"VALIDMAX":1.0},{"VALIDMIN":0.0},{"DEPEND_1":"Frequency"}]}]},{"Frequency":[{"VarDescription":[{"DataType":"CDF_REAL4"},{"NumElements":1},{"NumDims":1},{"DimSizes":[257]},{"RecVariance":"NOVARY"},{"DimVariances":["VARY"]},{"NumWrittenRecords":1},{"PadValue":-1.0E+30},{"BlockingFactor":1}]},{"VarAttributes":[{"VAR_NOTES":"Frequencies for the calibration table and spectrograms"},{"VAR_TYPE":"support_data"},{"UNITS":"Hz"},{"FIELDNAM":"Frequency scale"},{"CATDESC":"Frequency scale for included spectra"},{"FILLVAL":-1.0E+31},{"DISPLAY_TYPE":"time_series"},{"FORMAT":"F8.3"},{"LABLAXIS":"Freq"},{"VALIDMAX":1100.0},{"VALIDMIN":0.0}]},{"VarData":[0.0,4.0,8.0,12.0,16.0,20.0,24.0,28.0,32.0,36.0,40.0,44.0,48.0,52.0,56.0,60.0,64.0,68.0,72.0,76.0,80.0,84.0,88.0,92.0,96.0,100.0,104.0,108.0,112.0,116.0,120.0,124.0,128.0,132.0,136.0,140.0,144.0,148.0,152.0,156.0,160.0,164.0,168.0,172.0,176.0,180.0,184.0,188.0,192.0,196.0,200.0,204.0,208.0,212.0,216.0,220.0,224.0,228.0,232.0,236.0,240.0,244.0,248.0,252.0,256.0,260.0,264.0,268.0,272.0,276.0,280.0,284.0,288.0,292.0,296.0,300.0,304.0,308.0,312.0,316.0,320.0,324.0,328.0,332.0,336.0,340.0,344.0,348.0,352.0,356.0,360.0,364.0,368.0,372.0,376.0,380.0,384.0,388.0,392.0,396.0,400.0,404.0,408.0,412.0,416.0,420.0,424.0,428.0,432.0,436.0,440.0,444.0,448.0,452.0,456.0,460.0,464.0,468.0,472.0,476.0,480.0,484.0,488.0,492.0,496.0,500.0,504.0,508.0,512.0,516.0,520.0,524.0,528.0,532.0,536.0,540.0,544.0,548.0,552.0,556.0,560.0,564.0,568.0,572.0,576.0,580.0,584.0,588.0,592.0,596.0,600.0,604.0,608.0,612.0,616.0,620.0,624.0,628.0,632.0,636.0,640.0,644.0,648.0,652.0,656.0,660.0,664.0,668.0,672.0,676.0,680.0,684.0,688.0,692.0,696.0,700.0,704.0,708.0,712.0,716.0,720.0,724.0,728.0,732.0,736.0,740.0,744.0,748.0,752.0,756.0,760.0,764.0,768.0,772.0,776.0,780.0,784.0,788.0,792.0,796.0,800.0,804.0,808.0,812.0,816.0,820.0,824.0,828.0,832.0,836.0,840.0,844.0,848.0,852.0,856.0,860.0,864.0,868.0,872.0,876.0,880.0,884.0,888.0,892.0,896.0,900.0,904.0,908.0,912.0,916.0,920.0,924.0,928.0,932.0,936.0,940.0,944.0,948.0,952.0,956.0,960.0,964.0,968.0,972.0,976.0,980.0,984.0,988.0,992.0,996.0,1000.0,1004.0,1008.0,1012.0,1016.0,1020.0,1024.0]}]},{"Epoch":[{"VarDescription":[{"DataType":"CDF_TIME_TT2000"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":"0000-01-01T00:00:00.000000000"}]},{"VarAttributes":[{"VAR_NOTES":"Timestamps for HF timeseries in TT2000. The data is taken in packets and consists of 1024 samples taken over 0.5 s at a 2.048 kHz cadence. In backorbit mode, a packet is taken every 16 seconds."},{"VAR_TYPE":"support_data"},{"UNITS":"ns"},{"FIELDNAM":"Sample timestamp in UTC"},{"CATDESC":"Sample timestamp in UTC"},{"FILLVAL":"9999-12-31 23:59:59.999999999"},{"DISPLAY_TYPE":"time_series"},{"FORMAT":"I20"},{"LABLAXIS":"Time"},{"VALIDMAX":"2050-01-01T00:00:00.000000000"},{"VALIDMIN":"2022-01-01T00:00:00.000000000"}]}]},{"ts1_l2_eac_packet_start":[{"VarDescription":[{"DataType":"CDF_TIME_TT2000"},{"NumElements":1},{"NumDims":0},{"RecVariance":"VARY"},{"PadValue":"0000-01-01T00:00:00.000000000"}]},{"VarAttributes":[{"VAR_NOTES":"Timestamps of when each sampling packet is started. The 1024 data points including and after each start time belong to a packet and are evenly spaced at 2048 samples/ second. In back orbit mode, the packets are taken every 16 s."},{"VAR_TYPE":"support_data"},{"UNITS":"ns"},{"FIELDNAM":"Sample timestamp in UTC"},{"CATDESC":"Sample timestamp in UTC"},{"FILLVAL":"9999-12-31 23:59:59.999999999"},{"DISPLAY_TYPE":"time_series"},{"FORMAT":"I20"},{"LABLAXIS":"PackTime"},{"VALIDMAX":"2050-01-01T00:00:00.000000000"},{"VALIDMIN":"2022-01-01T00:00:00.000000000"}]}]}]}}