Reproducing electric field observations during magnetic storms by means of rigorous 3-D modelling and distortion matrix co-estimation

Earth, Planets and Space

Table 3 Distortion matrix and statistics for observatory KAK

Storm	G _xx	G _xy	G _yx	G _yy	$R_{x}^{2}$	$R_{y}^{2}$
Apr-00	0.27	1.05	0.21	3.66	0.90	0.93
Jul-00	0.20	1.00	−0.29	3.11	0.89	0.92
Aug-00	0.12	0.86	−0.40	3.00	0.81	0.90
Mar-01	0.17	0.83	−0.16	3.24	0.76	0.91
Oct-03	−0.15	0.73	−0.91	2.60	0.76	0.81
Nov-03	0.12	0.92	−0.50	3.55	0.94	0.94
Mean	0.12	0.90	−0.34	3.19	0.84	0.90
Standard deviation	0.15	0.12	0.37	0.39	0.08	0.05