PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-04:58:00
G07     19.0           68.2                6.1 +/-    0.63       6.5 +/-    0.63  0.030 / 0.040
G08     61.4           46.3                6.9 +/-    0.62       9.2 +/-    0.62  0.030 / 0.030
G09     176.1          46.7                9.6 +/-    0.77      12.7 +/-    0.77  0.120 / 0.170
G11     128.9          27.8                7.1 +/-    3.09      13.0 +/-    3.09  0.110 / 0.120
G18     112.7          10.1               -0.8 +/-   25.07      -2.3 +/-   25.07  0.220 / 0.360
G23     160.9          21.9                6.8 +/-    1.20      14.3 +/-    1.20  0.160 / 0.380
G27     41.5           19.3                3.3 +/-    1.64       7.4 +/-    1.64  0.040 / 0.050
G28     256.9          43.7                8.1 +/-    3.01      11.2 +/-    3.01  0.040 / 0.050
G30     318.2          48.8                4.7 +/-    1.10       6.0 +/-    1.10  0.070 / 0.140