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Van Allen Probe A high frequency receiver waveform data

(2022). Van Allen Probe A high frequency receiver waveform data [Data set]. NASA Space Physics Data Facility. https://doi.org/10.48322/pg1z-7a92 (CiteAs link). Accessed on .

ResourceID
spase://NASA/NumericalData/RBSP/A/EMFISIS/HFR/L2/WAVEFORM

Description

High Frequency Receiver (HFR) data of Single Axis AC Electric Field Waveform (Selectable between the U, V and W Axis). Units: V/m. Sample Rate: 1 Msample/sec. Sample Size: 4096 samples. Cadence: variable.

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Details

Version:2.4.1

NumericalData

ResourceID
spase://NASA/NumericalData/RBSP/A/EMFISIS/HFR/L2/WAVEFORM
ResourceHeader
ResourceName
Van Allen Probe A high frequency receiver waveform data
DOI
https://doi.org/10.48322/pg1z-7a92
ReleaseDate
2022-08-18 12:34:56.789
RevisionHistory
RevisionEvent
ReleaseDate
2021-04-27 15:38:11
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2022-08-18 12:34:56.789
Note
Added DOI and PublicationInfo minted by LFB, updated InformationURL URLs as needed, updated the SPDF MetadataContact Person to Robert M. Candey, metadata updated to SPASE 2.4.1, reviewed by LFB 20220818
RevisionEvent
ReleaseDate
2024-04-17 12:00:00.000
Note
Updated dataset description, reviewed by SAB 20240418
Description

High Frequency Receiver (HFR) data of Single Axis AC Electric Field Waveform (Selectable between the U, V and W Axis). Units: V/m. Sample Rate: 1 Msample/sec. Sample Size: 4096 samples. Cadence: variable.

Acknowledgement
NASA Space Physics Data Facility (SPDF) CDAWeb.
PublicationInfo
Authors
C.A. Kletzing
PublicationDate
2022-01-01 00:00:00
PublishedBy
NASA Space Physics Data Facility
Contacts
RolePersonStartDateStopDateNote
1.PrincipalInvestigatorspase://SMWG/Person/Craig.A.Kletzing
2.GeneralContactspase://SMWG/Person/Robert.M.Candey
3.MetadataContactspase://SMWG/Person/Lee.Frost.Bargatze
InformationURL
Name
EMFISIS/MAG Release Notes
URL
http://emfisis.physics.uiowa.edu/data/mag_release_notes
Description

Current EMFISIS/MAG Issues, Caveats and Production Release Notes

InformationURL
Name
EMFISIS Data Index
URL
http://emfisis.physics.uiowa.edu/data/index
Description

data access (including advanced Autoplot graphics for data files

InformationURL
Name
EMFISIS Instrument Description
URL
http://emfisis.physics.uiowa.edu/about/instrument
Description

instrument and team description

InformationURL
Name
The Van Allen Probes Home Page
URL
https://vanallenprobes.jhuapl.edu
Description

Science Gateway (including Mission Rules of the Road for Data Usage)

PriorIDs
spase://ViRBO/NumericalData/RBSP/A/EMFISIS/HFR-WAVEFORM/L2/variable
spase://ViRBO/NumericalData/RBSP/A/EMFISIS/HFR-WAVEFORM/QUICK-LOOK/variable
spase://ViRBO/NumericalData/RBSP/A/EMFISIS/HFR-WAVEFORM_EMFISIS-L2/variable
spase://VSPO/NumericalData/RBSP/A/EMFISIS/HFR-WAVEFORM
spase://VSPO/NumericalData/RBSP/A/EMFISIS/HFR/L2/WAVEFORM
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWEB
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
ftps://spdf.gsfc.nasa.gov/pub/data/rbsp/rbspa/l2/emfisis/hfr/waveform/
Description

In CDF via ftp from CDAWeb

AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/data/rbsp/rbspa/l2/emfisis/hfr/waveform/
Description

In CDF via HTTP from SPDF

Format
CDF
Acknowledgement
Please acknowledge the CDAWeb team at GSFC/SPDF.
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWEB
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb
URL
https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=RBSP-A_HFR-WAVEFORM_EMFISIS-L2&index=sp_phys
ProductKey
RBSP-A_HFR-WAVEFORM_EMFISIS-L2
Format
Text
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWEB
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb HAPI Server
URL
https://cdaweb.gsfc.nasa.gov/hapi
Style
HAPI
ProductKey
RBSP-A_HFR-WAVEFORM_EMFISIS-L2@0
ProductKey
RBSP-A_HFR-WAVEFORM_EMFISIS-L2@1
Description

Web Service to this product using the HAPI interface.

Format
CSV
InstrumentIDs
spase://SMWG/Instrument/RBSP/A/EMFISIS
MeasurementType
Waves
TemporalDescription
TimeSpan
StartDate
2012-09-01 21:03:07.000Z
StopDate
2019-10-18 16:30:00Z
Parameter #1
Name
Epoch
ParameterKey
Epoch
Description

Default time

Caveats
Original base times
Units
ns
Mixed
MixedQuantity
Other
Parameter #2
Name
Epoch
ParameterKey
Epoch_expanded
Description

Expanded times

Caveats
Computed Epoch's based on Epoch/basetime plus timeOffsets_NRV
Units
ns
Mixed
MixedQuantity
Other
Parameter #3
Name
HFRsamples
ParameterKey
HFRsamples_spec
Description

V/m displayed as spectrogram of values vs time offsets

Units
V/m
Structure
Size
4096
Mixed
MixedQuantity
Other
Parameter #4
Name
HFRsamples
ParameterKey
HFRsamples_times
Description

V/m displayed as very high resolution time-series

Units
V/m
Structure
Size
4096
Mixed
MixedQuantity
Other
Parameter #5
Name
HFRsamples
ParameterKey
HFRsamples
Description

[NOT USEFUL] HFR Waveform

Caveats
Original definition
Units
V/m
Structure
Size
4096
Mixed
MixedQuantity
Other
Parameter #6
Name
HBGain
ParameterKey
HBGain
Description

HFR Gain Select (0 - Standard Gain, 1 - Attenuator On)

Units
(0=stnd,1=Atten)
Mixed
MixedQuantity
Other
Parameter #7
Name
HBSelect
ParameterKey
HBSelect
Description

HFR receiver Antenna Select (0 - U axis,1 - V axis,2 - W axis {spin axis})

Units
(0=U,1=V,2=W/Spin)
Mixed
MixedQuantity
Other
Parameter #8
Name
Epoch
ParameterKey
SPTT
Description

Sun Pulse time tag. Epoch of the last sun pulse. (Lowest 6 bits of MET and subseconds.

Caveats
Mask lowest six bits of MET and add SPTT to create sun pulse time in MET.
Units
ns
Mixed
MixedQuantity
Other
Parameter #9
Name
timeOffsets
ParameterKey
timeOffsets
Description

Time step, in seconds, for each of the 4096 points referenced from the first point.

Caveats
Absolute time for each sample point would be Epoch (converted to seconds) plus timeOffsets.
Units
ns
Structure
Size
4096
Mixed
MixedQuantity
Other
Parameter #10
Name
HFR_Spec
ParameterKey
HFR_Spec
Description

[NOT YET FUNCTIONAL] Spectrogram of HFR waveform

Units
V^2/m^2/Hz
Structure
Size
4096
Mixed
MixedQuantity
Other
Parameter #11
Name
fftSize
ParameterKey
fftSize
Description

size of FFT

Structure
Size
1
Mixed
MixedQuantity
Other
Parameter #12
Name
APID
ParameterKey
APID
Description

APID

Mixed
MixedQuantity
Other
Parameter #13
Name
Comp No 1
ParameterKey
HFRsamples_spec_DEPEND_1
Description

Comp No 1

Structure
Size
4096
Mixed
MixedQuantity
Other
Parameter #14
Name
NRV TimeOffsets
ParameterKey
TimeOffsets_NRV
Description

NRV TimeOffsets

Caveats
Absolute time for each sample point would be Epoch (which is in ns) plus timeOffsets (also in ns).
Units
ns
Structure
Size
4096
Mixed
MixedQuantity
Other