PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-13:42:50
G02     225.5          66.4                7.8 +/-    1.26       8.5 +/-    1.26  0.140 / 0.460
G06     44.6           65.5                5.8 +/-    0.25       6.3 +/-    0.25  0.170 / 0.580
G12     320.5          44.4                5.6 +/-    2.67       7.6 +/-    2.67  0.030 / 0.040
G17     62.5           28.9                5.1 +/-    0.46       9.1 +/-    0.46  0.030 / 0.040
G19     49.7           42.1                6.4 +/-    0.64       9.0 +/-    0.64  0.050 / 0.110
G24     256.2          38.5                7.0 +/-    1.25      10.4 +/-    1.25  0.040 / 0.090
G28     126.1          13.8                9.2 +/-    2.86      23.5 +/-    2.86  0.050 / 0.080