PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-09:43:00
G07     46.0           69.6                6.2 +/-    0.49       6.6 +/-    0.49  0.030 / 0.040
G08     51.6           40.1                3.6 +/-    0.94       5.3 +/-    0.94  0.030 / 0.040
G09     175.1          34.9                7.6 +/-    1.93      12.1 +/-    1.93  0.040 / 0.040
G11     119.8          34.0                8.3 +/-    0.95      13.4 +/-    0.95  0.040 / 0.040
G17     199.1          13.4                4.3 +/-    1.15      11.2 +/-    1.15  0.110 / 0.240
G18     105.1          15.3                6.1 +/-    0.63      15.1 +/-    0.63  0.100 / 0.220
G23     160.9          10.7                5.7 +/-    2.46      15.8 +/-    2.46  0.210 / 0.410
G28     271.2          50.8                4.4 +/-    1.57       5.5 +/-    1.57  0.220 / 0.310
G30     328.0          57.1                3.0 +/-    0.84       3.5 +/-    0.84  0.060 / 0.080