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691
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ShareScore release 0.9.0
Dataset results
691 results for “magnetic field”
Hornepayne (HRP) Ground-based Vector Magnetic Field (L2) 1.0 s Data
Hornepayne, ON, Ground-based Vector Magnetic Field Level 2 Data, 1.0 s Time Resolution, Station Code: (HRP), Station Location: (GEO Latitude 49.2, Longitude 275.3), STEP Polar Network
Polar Magnetic Field Key Parameters
POLAR Magnetic Field Experiment (MFE) data; 0.92 minute and 6 second averages in GSE, GSM, SM coordinates
Boulder (BOU) Ground-based Vector Magnetic Field (L2) 1.0 s Data
Boulder, CO, Ground-based Vector Magnetic Field Level 2 Data, 1.0 s Time Resolution, Station Code: (BOU), Station Location: (GEO Latitude 40.1, Longitude 254.8), USGS Network
Voyager 1 hourly merged magnetic field and plasma data
This is an hourly resolution, merged magnetic field and plasma data set created at NSSDC for COHOWeb. Magnetic field vectors and plasma flow direction angles are given in RTN coordinates. Spacecraft position data are given in Heliographic inertial (HGI coordinates).
PENGUIn-5 (PG5) Ground-based Vector Magnetic Field (L2) 1.0 s Data
PENGUIn-5, Antarctica, Ground-based Vector Magnetic Field Level 2 Data, 1.0 s Time Resolution, Station Code: (PG5), Station Location: (GEO Latitude -82.0, Longitude 5.7), Antarctic Network
Cape Dorset (CDRT/CDR) Ground-based Vector Magnetic Field (L2) 0.5 s Data
Cape Dorset, NU, Ground-based Vector Magnetic Field Level 2 Data, 0.5 s Time Resolution, Station Code: (CDRT/CDR), Station Location: (GEO Latitude 64.2, Longitude 283.4), MACCS Network
College (CIGO) Ground-based Vector Magnetic Field (L2) 0.5 s Data
College (College International Geophysical Observatory), AK, Ground-based Vector Magnetic Field Level 2 Data, 0.5 s Time Resolution, Station Code: (CIGO), Station Location: (GEO Latitude 64.9, Longitude 212.1), University of Alaska Network
San Juan (SJG) Ground-based Vector Magnetic Field (L2) 1.0 s Data
San Juan (Cayey), PR, Ground-based Vector Magnetic Field Level 2 Data, 1.0 s Time Resolution, Station Code: (SJG), Station Location: (GEO Latitude 18.1, Longitude 293.8), USGS Network
MMS 4 Digital Signal Processor (DSP) Search Coil Magnetometer (SCM), Magnetic Field Power Spectral Density, Level 2 (L2), Fast Mode, 2 s Data
The MMS magnetic field power spectral density (BPSD) is computed onboard by the Digital Signal Processor (DSP). The fast Fourier transform (FFT) calculation is performed on a digitized version of analog signals from the Search Coil Magnetometer (SCM) in the SCM123 coordinate system, see SCM data product guide for details, https://lasp.colorado.edu/mms/sdc/public/datasets/fields/. This data product is computed in space from individual components that are not synchronized to the 1 second pulse. Therefore, the timing between channels can be inaccurate by a fraction of a second. The samples times are interval start times taken from the x component. The spectra are calculated via a 1024-point FFT algorithm on piecewise continuous sets of waveform data. Nine signals can be processed simultaneously. Six of the twelve DC-coupled E, DC-coupled V, or SCM signals (16384 samples/s) are selected for spectral processing at 100% duty cycle. In addition, the three AC-coupled signals (262,144 kS/s) each can be processed at 6.25% duty cycle. Each of the nine signals has 16, 1024-point FFT operations every second; the field-programmable gate array (FPGA) performs 144 FFTs per second. The FFT is performed by an arithmetic logic unit (ALU), which is controlled by a state machine. Both are hard-coded into the FPGA. The operation starts by applying a 1024-point Hanning window onto a waveform. Next, an FFT is implemented. The FFT is broken into a series of "butterfly" operations performed by the ALU. The result has real and imaginary data. Power spectra are calculated by taking the sum of squares of real and imaginary values (the ALU includes a multiplier), which produces a power spectrum with 512 frequency bins. The frequency bins are then combined to give pseudo-logarithmic frequency spacing (del f)/f. The spectra are reduced to 88 frequency bins with (del f)/f between 6% and 12% when possible. Narrow-band emissions can be fit to an accuracy of (del f)/f ~3%, allowing for an accurate determination of plasma density. The spectra can be averaged in time. The fastest reporting rate of any signal is 16 spectra per second. Reporting rates can be as slow a one spectra every 16 s (averaging 256 spectra). The DSP and SCM instrument papers can be found at https://link.springer.com/article/10.1007/s11214-014-0115-x and https://link.springer.com/article/10.1007/s11214-014-0096-9, respectively. The DSP and SCM data product guides can be found at https://lasp.colorado.edu/mms/sdc/public/datasets/fields/.
Solund (SOL) Ground-based Vector Magnetic Field (L2) 1.0 min Data
Solund, Norway, Ground-based Vector Magnetic Field Level 2 Data, 1.0 min Time Resolution, Station Code: (SOL), Station Location: (GEO Latitude 61.1, Longitude 4.8), TGO Network
Fresno (FRN) Ground-based Vector Magnetic Field (L2) 1.0 s Data
Fresno, CA, Ground-based Vector Magnetic Field Level 2 Data, 1.0 s Time Resolution, Station Code: (FRN), Station Location: (GEO Latitude 37.1, Longitude 240.3), USGS Network
Mekrijarvi (MEK) Ground-based Vector Magnetic Field (L2) 10.0 s Data
Mekrijarvi, Finland, Ground-based Vector Magnetic Field Level 2 Data, 10.0 s Time Resolution, Station Code: (MEK), Station Location: (GEO Latitude 62.8, Longitude 31.0), IMAGE Network
THEMIS-E: On Board spin fits (FIT) of Electric (EFI) and Magnetic (FGM) field. On-Board Spin-fit electric and magnetic field data
THEMIS-E: On Board spin fits of Electric (EFI) and Magnetic (FGM) fields. This file contains data EFI and FGM that has been despun on-board to 3 second resolution. It stores meta information like the number of points that contributed to each spin and the standard deviation of those points. For the EFI data it also stores variables with the Z component of the EFI data zeroed and the Z component of the EFI estimated using the E.B=0 equality. The need to use an estimated Z axis for the EFI is due to error in measurements from the EFI axial booms. These data are provided in DSL (despun spacecraft L-Z vector), GSM, and GSE coordinates.
Anchorage (HLMS) Ground-based Vector Magnetic Field (L2) 0.5 s Data
Anchorage (High-Latitude Monitoring Station), AK, Ground-based Vector Magnetic Field Level 2 Data, 0.5 s Time Resolution, Station Code: (HLMS), Station Location: (GEO Latitude 61.2, Longitude 210.1), University of Alaska Network
Toolik Lake (TOOL) Ground-based Vector Magnetic Field (L2) 1.0 s Data
Toolik Lake, AK, Ground-based Vector Magnetic Field Level 2 Data, 1.0 s Time Resolution, Station Code: (TOOL), Station Location: (GEO Latitude 66.6, Longitude 210.4), GIMA Network
Nurmijarvi (NUR) Ground-based Vector Magnetic Field (L2) 10.0 s Data
Nurmijarvi, Finland, Ground-based Vector Magnetic Field Level 2 Data, 10.0 s Time Resolution, Station Code: (NUR), Station Location: (GEO Latitude 60.5, Longitude 24.7), IMAGE Network
THEMIS-D: On Board spin fits (FIT) of Electric (EFI) and Magnetic (FGM) field. On-Board Spin-fit electric and magnetic field data
THEMIS-D: On Board spin fits of Electric (EFI) and Magnetic (FGM) fields. This file contains data EFI and FGM that has been despun on-board to 3 second resolution. It stores meta information like the number of points that contributed to each spin and the standard deviation of those points. For the EFI data it also stores variables with the Z component of the EFI data zeroed and the Z component of the EFI estimated using the E.B=0 equality. The need to use an estimated Z axis for the EFI is due to error in measurements from the EFI axial booms. These data are provided in DSL (despun spacecraft L-Z vector), GSM, and GSE coordinates.
Narsarsuaq (NRSQ/NAQ) Ground-based Vector Magnetic Field (L2) 20.0 s Data
Narsarsuaq, Greenland, Ground-based Vector Magnetic Field Level 2 Data, 20.0 s Time Resolution, Station Code: (NRSQ/NAQ), Station Location: (GEO Latitude 61.2, Longitude 314.6), DTU Network
Danmarkshavn (DMH) Ground-based Vector Magnetic Field (L2) 20.0 s Data
Danmarkshavn, Greenland, Ground-based Vector Magnetic Field Level 2 Data, 20.0 s Time Resolution, Station Code: (DMH), Station Location: (GEO Latitude 76.8, Longitude 341.4), DTU Network
Narsarsuaq (NRSQ/NAQ) Ground-based Vector Magnetic Field (L2) 1.0 min Data
Narsarsuaq, Greenland, Ground-based Vector Magnetic Field Level 2 Data, 1.0 min Time Resolution, Station Code: (NRSQ/NAQ), Station Location: (GEO Latitude 61.2, Longitude 314.6), DTU Network
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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International Brain Laboratory public data
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OpenNeuro
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