Fresno (FRN) observatory

IAGA code	FRN
Location	Fresno
Country	United States of America
Open-Close	1982-
INTERMAGNET member (view)

Website	http://geomag.usgs.gov/monitoring/observatories/fresno/

Altitude	331 m

Geographic coordinates		Geomagnetic coordinates (IGRF-13 2020.5)		Corrected geomagnetic coordinates (IGRF-13 2020.5)
Latitude	Longitude	Latitude	Longitude	Latitude	Longitude
37.091°N	240.281°E	42.95°N	306.92°E	42.67°N	305.73°E

				K=9 lower limit	415 nT