Oulu
	Apatity and Barentsburg
	Moscú
	Climax
	Haleakala
	Durban
	Lomnicky Stit
	Bartol: McMurdo, South Pole, Thule, Newark, Mobile Monitor, Inuvik, Fort Smith, Peawanuck, Nain, and Goose Bay
	South African NM DAta: Tsumeb, Potchefstroom, Hermanus, SANAE IV