Record Search Query: [Keyword='Global']
AA Geomagnetic Activity Indices From Two Antipodal Observatories in Australia and England
Entry ID: gov.noaa.ngdc.stp.indices.G00588

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Summary
Abstract: The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives, on a monthly basis, indices that are based on the data from two approximately antipodal observatories in England and Australia. The AA-indices are available from 1868 to present.

Purpose: Geomagnetic Activity Research
Related URL
Description: View Source Metadata

Description: AA index. FTP site for the aa index from 1868 through present day
Multimedia Sample
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Description:  Annual Sunspot and aa Numbers

 
Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Dataset Title: AA Geomagnetic Activity Indices From Two Antipodal Observatories in Australia and England
Dataset Release Date: 1968-01-01
Version: First
Temporal Coverage
Start Date: 1868-01-01
ISO Topic Category
Access Constraints Access Constraints: No Constraints
Use Constraints Use Constraints: None
Data Set Progress
COMPLETE
Data Center
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Supplemental Info
Data Center URL: https://ncei.noaa.gov/

Data Center Personnel
Name: JUSTIN MABIE
Phone: (303) 497-6135
Fax: (303) 497-6513
Email: Justin.Mabie at noaa.gov
Contact Address:
325 Broadway, Mail Code E/GC4
City: Boulder
Province or State: CO
Postal Code: 80305-3328
Country: USA
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Distribution
Distribution Format: ASCII
Fees: Free
Personnel
Role: DIF AUTHOR
Role: TECHNICAL CONTACT
Phone: (303) 497-6135
Fax: (303) 497-6513
Email: Justin.Mabie at noaa.gov
Contact Address:
325 Broadway, Mail Code E/GC4
City: Boulder
Province or State: CO
Postal Code: 80305-3328
Country: USA
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2015-11-16
Last DIF Revision Date: 2018-06-05