BARREL 2T Ephemeris (EPHM) Geographic and Magnetic Coordinates

ResourceID

spase://VSPO/NumericalData/BARREL/2T/Ephemeris/L2/PT4S

Description

Geographic and Magnetic Coordinates - Geographic Coordinates are obtained from an Onboard GPS Unit, Magnetic Coordinates are derived by using the IRBEM FORTRAN Library, Ephemeris Data Products (Latitude, Longitude, Altitude, and Time) are each returned from the Payload once every 4 s

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Details

Version:2.3.0

NumericalData

ResourceID

spase://VSPO/NumericalData/BARREL/2T/Ephemeris/L2/PT4S

ResourceHeader

ResourceName: BARREL 2T Ephemeris (EPHM) Geographic and Magnetic Coordinates

ReleaseDate: 2019-08-05 15:03:35Z

Description

Acknowledgement: R. Millan

Contacts

	Role	Person
1.	PrincipalInvestigator	spase://SMWG/Person/Robyn.Millan
2.	GeneralContact	spase://SMWG/Person/Robert.E.McGuire
3.	MetadataContact	spase://SMWG/Person/Lee.Frost.Bargatze

InformationURL

Name: BARREL Data Repository and Tools

URL: http://barreldata.ucsc.edu

Description

Access to all releases of BARREL data and links to the Science Operation Center Tools

AccessInformation

RepositoryID: spase://SMWG/Repository/NASA/GSFC/SPDF

Availability: Online

AccessRights: Open

AccessURL

Name: FTP access to files at SPDF

URL: ftps://spdf.gsfc.nasa.gov/pub/data/barrel/l2/2t/ephem/

Description

In CDF via ftp from SPDF

AccessURL

Name: HTTP access to files at SPDF

URL: https://spdf.gsfc.nasa.gov/pub/data/barrel/l2/2t/ephem/

Description

In CDF via http from SPDF

AccessURL

Name: CDAWeb

URL: https://cdaweb.sci.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=BAR_2T_L2_EPHM&index=sp_phys

ProductKey: BAR_2T_L2_EPHM

Description

Access to ASCII, CDF, and plots via NASA/GSFC CDAWeb

Format: CDF

Encoding: None

Acknowledgement: Please acknowledge R. Millan and the data providers and CDAWeb when using these data

ProcessingLevel: Calibrated

InstrumentIDs

spase://SMWG/Instrument/BARREL/2T/Ephemeris

MeasurementType: Ephemeris

TemporalDescription

TimeSpan

StartDate: 2013-01-28 00:00:00.000

StopDate: 2013-02-14 23:59:59.999

Cadence: PT4S

ObservedRegion: Earth.NearSurface.AuroralRegion

ObservedRegion: Earth.NearSurface.Mesosphere

ObservedRegion: Earth.NearSurface.PolarCap

ObservedRegion: Earth.NearSurface.Stratosphere

Parameter #1

Name: Epoch

ParameterKey: Epoch

Description

Default Time

Caveats: This parameter exhibits an increasing monotonic progression

Cadence: PT4S

Units: ns

UnitsConversion: 1.0e-9>s

RenderingHints

AxisLabel: Epoch

ValidMin: 2012-01-01T00:00:00.000000000

ValidMax: 2015-12-01T00:00:00.000000000

FillValue: 9999-12-31T23:59:59.999999999

Support

SupportQuantity: Temporal

Parameter #2

Name: Frame Number

Set: Time series defined by using: EPOCH

ParameterKey: FrameGroup

Description

Data Processing Unit Frame Counter

Cadence: PT4S

RenderingHints

DisplayType: TimeSeries

AxisLabel: Frame

ValueFormat: I10

ValidMin: 0

ValidMax: 4294967295

FillValue: 4294967295

Support

SupportQuantity: Other

Parameter #3

Name: Data Quality Flag

Set: Time series defined by using: EPOCH

ParameterKey: Quality

Description

Data Quality Flag, 0 means no Issues

Caveats: 32 bit flag used to indicate data quality

Cadence: PT4S

RenderingHints

DisplayType: TimeSeries

AxisLabel: Q

ValueFormat: I10

ValidMin: 0

ValidMax: 4294967295

FillValue: 2147483648

Support

SupportQuantity: Other

Parameter #4

Name: GPS Latitude

Set: Time series defined by using: EPOCH

ParameterKey: GPS_Lat

Description

Global Positioning System, Latitude, degrees North

Caveats: Converted from raw integer values by multiplying by a scaling factor equal to 8.38190317154×10^-8

Cadence: PT4S

Units: °

UnitsConversion: 0.0174532925>rad

CoordinateSystem

CoordinateRepresentation: Spherical

CoordinateSystemName: GEO

RenderingHints

DisplayType: TimeSeries

AxisLabel: Lat

ValueFormat: F6.3

ScaleType: LinearScale

ValidMin: -90.0

ValidMax: 90.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional

Parameter #5

Name: GPS Longitude

Set: Time series defined by using: EPOCH

ParameterKey: GPS_Lon

Description

Global Positioning System, Longitude, degrees East

Caveats: Converted from raw integer values by multiplying by a scaling factor equal to 8.38190317154×10^-8

Cadence: PT4S

Units: °

UnitsConversion: 0.0174532925>rad

CoordinateSystem

CoordinateRepresentation: Spherical

CoordinateSystemName: GEO

RenderingHints

DisplayType: TimeSeries

AxisLabel: Lon

ValueFormat: F6.3

ScaleType: LinearScale

ValidMin: -180.0

ValidMax: 180.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional

Parameter #6

Name: GPS Altitude

Set: Time series defined by using: EPOCH

ParameterKey: GPS_Alt

Description

Global Positioning System, Altitude

Cadence: PT4S

Units: km

UnitsConversion: 1.0e3>m

CoordinateSystem

CoordinateRepresentation: Spherical

CoordinateSystemName: GEO

RenderingHints

DisplayType: TimeSeries

AxisLabel: Alt

ValueFormat: F8.3

ScaleType: LinearScale

ValidMin: 0.0

ValidMax: 50.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional

Parameter #7

Name: MLT for Kp=2 (T89C)

Set: Time series defined by using: EPOCH

ParameterKey: MLT_Kp2_T89c

Description

Magnetic Local Time for Kp=2 in hours using Tsyganenko 89C (T89C)

Caveats: Calculated using T89C model with the IRBEM FORTRAN library

Cadence: PT4S

Units: h

UnitsConversion: 0.2617993877>rad

RenderingHints

DisplayType: TimeSeries

AxisLabel: MLT_Kp2

ValueFormat: F4.2

ScaleType: LinearScale

ValidMin: 0.0

ValidMax: 24.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional

Parameter #8

Name: MLT for Kp=6 (T89C)

Set: Time series defined by using: EPOCH

ParameterKey: MLT_Kp6_T89c

Description

Magnetic Local Time for Kp=6 in hours using Tsyganenko 89C (T89C)

Caveats: Calculated using T89C model with the IRBEM FORTRAN library

Cadence: PT4S

Units: h

UnitsConversion: 0.2617993877>rad

RenderingHints

DisplayType: TimeSeries

AxisLabel: MLT_Kp6

ValueFormat: F4.2

ScaleType: LinearScale

ValidMin: 0.0

ValidMax: 24.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional

Parameter #9

Name: L Shell for Kp = 2 (T89C)

Set: Time series defined by using: EPOCH

ParameterKey: L_Kp2

Description

L Shell for Kp = 2 using Tsyganenko 89C (T89C)

Caveats: Calculated using T89C model with the IRBEM FORTRAN library, 9999.0 indicates an open field line

Cadence: PT4S

RenderingHints

DisplayType: TimeSeries

AxisLabel: L_Kp2_T89c

ValueFormat: F8.3

ScaleType: LinearScale

ValidMin: 0.0

ValidMax: 1000.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional

Parameter #10

Name: L Shell for Kp = 6 (T89C)

Set: Time series defined by using: EPOCH

ParameterKey: L_Kp6

Description

L Shell for Kp = 6 using Tsyganenko 89C (T89C)

Caveats: Calculated using T89C model with the IRBEM FORTRAN library, 9999.0 indicates an open field line

Cadence: PT4S

RenderingHints

DisplayType: TimeSeries

AxisLabel: L_Kp6_T89c

ValueFormat: F8.3

ScaleType: LinearScale

ValidMin: 0.0

ValidMax: 1000.0

FillValue: -1.0e+31

Support

SupportQuantity: Positional