Index of FTP
type: Distribution
access URL: ftp://ftp.ngdc.noaa.gov/wdc/geomagnetism/data/observatories/definitive/
description: Geomagnetic data
issued: 2020-11-12T06:47:22.855590
modified: 2025-11-20T03:24:44.368655

US Migrating
type: Agent

Geomagnetic Dataset
type: Distribution
access URL: http://spidr.ngdc.noaa.gov/
description: Choose Datasets from the Spidr home page
issued: 2020-11-12T06:47:22.855593
modified: 2025-11-20T03:24:44.369052

Index of FTP
type: Distribution
access URL: ftp://ftp.ngdc.noaa.gov/wdc/geomagnetism/data/observatories/definitive/
description: Geomagnetic data
issued: 2020-11-12T06:47:22.855581
modified: 2025-11-20T03:24:44.367794

Web Resource
type: Distribution
access URL: ftp://ftp.ngdc.noaa.gov/wdc/geomagnetism/data/observatories/definitive/
issued: 2020-11-12T06:47:22.855587
modified: 2025-11-20T03:24:44.368218

Intermagnet definitive observatory data
type: Dataset
keyword: ckan
keyword: solid-earth
keyword: north-america
keyword: geoss
keyword: amerigeoss
keyword: magnetic-field
keyword: united-states
keyword: geomagnetism
keyword: geo
keyword: amerigeo
keyword: earth-science
keyword: national
description: 1 minute and hourly values reported as definitive from Intermagnet observatories.
issued: 2025-11-20T03:24:44.376644
modified: 2025-11-20T03:24:44.376649
spatial: Location