Version:2.3.0
NumericalData
ResourceID
spase://NASA/NumericalData/BARREL/1L/Ephemeris/L2/PT4S
ResourceHeader
ResourceName
BARREL 1L Ephemeris (EPHM) Geographic and Magnetic Coordinates
ReleaseDate
2020-07-07 21:14:20Z
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
Acknowledgement
R. Millan
Contacts
InformationURL
Name
BARREL Data Repository and Tools
URL
Description
Access to all releases of BARREL data and links to the Science Operation Center Tools
PriorIDs
spase://VSPO/NumericalData/BARREL/1L/Ephemeris/L2/PT4S
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
FTPS from SPDF (not with most browsers)
URL
Description
In CDF via ftp from SPDF
AccessURL
Name
HTTPS from SPDF
URL
Description
In CDF via http from SPDF
AccessURL
Name
CDAWeb
URL
ProductKey
BAR_1L_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
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
CDAWeb Programmatic Data Access
URL
Style
WebService
ProductKey
BAR_1L_L2_EPHM
Description
Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS.
Format
Binary
Acknowledgement
Please acknowledge R. Millan and the data providers and CDAWeb when using these data
ProcessingLevel
Calibrated
InstrumentIDs
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
ValidMin
2012-01-01T00:00:00.000000000
ValidMax
2015-12-01T00:00:00.000000000
FillValue
9999-12-31T23:59:59.999999999
Support
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
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
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
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