Penetration of the electric fields of the geomagnetic sudden commencement over the globe as observed with the HF Doppler sounders and magnetometers

Earth, Planets and Space

Table 1 List of the HF Doppler sounders in Japan, Argentina, Czech Republic and Republic of China

Station name	Country	Frequency (MHz)	Geographic coordinate (deg)		Geomagnetic coordinate (deg)		Distance (km)	Elevation angle (deg)
Station name	Country	Frequency (MHz)	Latitude	Longitude	Latitude	Longitude	Distance (km)	Elevation angle (deg)
Sugadaira SGD	Japan	5.006	36.52	138.32	27.89	−152.06	146	75.7
Zhongli ZHL	Republic of China	6.57	23.95	120.93	14.37	−167.22	82	82.2
Prague PRG	Czech Republic	3.594	50.04	14.48	49.37	98.51	7	89.3
Tucuman TCM	Argentina	4.63	−26.84	−65.23	−17.07	6.90	74	83.0