Version:2.2.8

NumericalData

ResourceHeader

ResourceName

Jan Mayen (JAN) Ground-based Vector Magnetic Field (L2) 1.0 min Data

ReleaseDate

2019-08-05 15:03:35Z

Description

Jan Mayen, Norway, Ground-based Vector Magnetic Field Level 2 Data, 1.0 min Time Resolution, Station Code: (JAN), Station Location: (GEO Latitude 71.0, Longitude 351.5), Norwegian Mag. Network

Acknowledgement

Please acknowledge Tromso Geophysical Observatory, (UiT The Arctic University of Norway)

Contacts

	Role	Person
1.	PrincipalInvestigator	spase://SMWG/Person/Truls.Lynne.Hansen
2.	MetadataContact	spase://SMWG/Person/Robert.E.McGuire
3.	MetadataContact	spase://SMWG/Person/Lee.Frost.Bargatze

InformationURL

Name

Tromso Geophysical Observatory Web Site

URL

http://flux.phys.uit.no/geomag.html

Description

Main menu for access to magnetic field data

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/themis/thg/greenland_gmag/l2/jan/

Description

In CDF via ftp from SPDF.

AccessURL

Name

HTTP access to files at SPDF

URL

https://spdf.gsfc.nasa.gov/pub/data/themis/thg/greenland_gmag/l2/jan/

Description

In CDF via http from SPDF.

AccessURL

Name

CDAWeb

URL

https://cdaweb.gsfc.nasa.gov/index.html/

ProductKey

THG_L2_MAG_JAN

Description

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

Format

CDF

Encoding

None

Acknowledgement

Please acknowledge Tromso Geophysical Observatory, (UiT The Arctic University of Norway). Please acknowledge the data providers and CDAWeb when using these data.

ProcessingLevel

Calibrated

MeasurementType

MagneticField

TemporalDescription

TimeSpan

StartDate

2014-09-26 00:00:00.000

RelativeStopDate

-P2M

Cadence

PT1M

Parameter #1

Name

B in HDZ Components

Set

Time series defined by using: thg_mag_jan_epoch

ParameterKey

thg_mag_jan

Description

Magnetic field B in HDZ vector components

Caveats

Rotated from geographic XYZ components using declination provided by TGU.

Cadence

PT1M

Units

nT

UnitsConversion

1e-9>T

CoordinateSystem

CoordinateRepresentation

Cartesian

CoordinateSystemName

LGM

RenderingHints

DisplayType

TimeSeries

AxisLabel

B in HDZ Components

ValueFormat

f9.2

ScaleType

LinearScale

Structure

Size

3

Element

Name

Magnetic North, local

Qualifier

Component.I

Index

1

RenderingHints

AxisLabel

1

Element

Name

Magnetic East, local

Qualifier

Component.J

Index

2

RenderingHints

AxisLabel

2

Element

Name

Vertical Down, local

Qualifier

Component.K

Index

3

RenderingHints

AxisLabel

3

ValidMin

-60000.0

ValidMax

60000.0

FillValue

NaN

Field

Qualifier

Vector

FieldQuantity

Magnetic

Parameter #2

Name

HDZ Component Number

ParameterKey

thg_mag_jan_compno

Description

HDZ Component Number

Cadence

PT1M

CoordinateSystem

CoordinateRepresentation

Cartesian

CoordinateSystemName

LGM

RenderingHints

AxisLabel

HDZ Component Number

ValueFormat

i2

ScaleType

LinearScale

Structure

Size

3

Element

Name

Element 1

Qualifier

Component.I

Index

1

Element

Name

Element 2

Qualifier

Component.J

Index

2

Element

Name

Element 3

Qualifier

Component.K

Index

3

ValidMin

1

ValidMax

3

FillValue

-2147483648

Support

SupportQuantity

Other

Parameter #3

Name

thg_mag_jan_time

Set

Time series defined by using: thg_mag_jan_epoch

ParameterKey

thg_mag_jan_time

Description

thg_mag_jan_time, UTC, in seconds since 01-Jan-1970 00:00:00

Caveats

Unleaped seconds

Cadence

PT1M

Units

s

RenderingHints

AxisLabel

UT

ValueFormat

e13.6

ValidMin

0.0

ValidMax

5.0e+09

FillValue

NaN

Support

SupportQuantity

Temporal

Parameter #4

Name

thg_mag_jan_epoch

ParameterKey

thg_mag_jan_epoch

Description

thg_mag_jan_epoch

Caveats

This parameter is virtual. It is calculated by calling the function COMP_THEMIS_EPOCH with the following input parameters: thg_mag_jan_epoch0, thg_mag_jan_time.

Cadence

PT1M

RenderingHints

AxisLabel

UT

ValidMin

01-Jan-2001 00:00:00.000

ValidMax

31-Dec-2100 23:59:59.999

FillValue

31-Dec-9999 23:59:59.999

Support

SupportQuantity

Temporal

Parameter #5

Name

thg_mag_jan_epoch0

ParameterKey

thg_mag_jan_epoch0

Description

EPOCH0 of THEMIS TIME BASE

Caveats

EPOCH of 01-Jan-1970 00:00:00

Cadence

PT1M

Units

ms

UnitsConversion

1e-3>s

RenderingHints

AxisLabel

timebase

ValidMin

01-Jan-1900 00:00:00.000

ValidMax

31-Dec-2029 23:59:59.999

FillValue

31-Dec-9999 23:59:59.999

Support

SupportQuantity

Other

Parameter #6

Name

range_epoch

ParameterKey

range_epoch

Description

range_epoch

Cadence

PT1M

Units

ms

UnitsConversion

1e-3>s

RenderingHints

AxisLabel

UT

ValidMin

01-Jan-2001 00:00:00.000

ValidMax

31-Dec-2100 23:59:59.999

FillValue

31-Dec-9999 23:59:59.999

Support

SupportQuantity

Temporal