TABLE 1 - Coordinates of the Observatories
			Geographic		Geomagnetic
	Observatory		Longitude (E)	Latitude	Dipole latitude
	Hermanus		19.22°	-34.40°	-33.3°
	Kakioka		140.18°	36.23°	26.0°
	Honolulu	to April 1960	201.90°	21.30°	21.0°
		after April 1960	201.98°	21.32°	21.1°
	San Juan	to January 1965	293.88°	18.38°	29.9°
		after January 1965	293.85°	18.01°	29.9°