Service International des Indices Géomagnétiques
International Service of Geomagnetic Indices
About ISGI
• Reference service
• Trusted data repository
• Governance
• History
• Locate us
Geomagnetic indices
• IAGA endorsed geomagnetic indices/events
•
aa
•
am
•
Kp
•
Dst
•
PCN, PCS
•
AE, AU, AL, AO
• SC
• SFE
• Q-days, D-days
• CK-days
• Data download
• Data plot
Collaborating institutes
Documents
• List of geomagnetic observatories
• ISGI monthly bulletins
• IAGA bulletins
• Related publications
• What are
K
indices?
•
K
indices softwares
• Index Criteria for endorsement of indices by IAGA
Web services
• Web service documentation
• Application to ISGI data web service
• Customers of web services
Other indices
• Non-endorsed geomagnetic indices
•
ASY/SYM
•
aσ
• Data download
• Data plot
Home
> Geomagnetic observatory
Little America (LAA) observatory
IAGA code
LAA
Location
Little America
Country
Antarctica (United States of America)
Open-Close
1929-1958
Website
Altitude
see larger map
Geographic coordinates
Geomagnetic coordinates
(IGRF-13 2020.5)
Corrected geomagnetic coordinates
(IGRF-13 2020.5)
Latitude
Longitude
Latitude
Longitude
Latitude
Longitude
-78.167°N
197.783°E
-74.82°N
308°E
-73.77°N
334.82°E