PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-22:42:40
G08     317.3          14.4                6.3 +/-    1.15      16.0 +/-    1.15  0.030 / 0.040
G10     312.5          56.2                7.5 +/-    1.01       8.8 +/-    1.01  0.030 / 0.030
G14     213.2          19.6               10.8 +/-    1.81      24.0 +/-    1.81  0.050 / 0.080
G15     45.9           25.2                6.0 +/-    0.72      11.6 +/-    0.72  0.040 / 0.090
G20     14.6           64.0                7.6 +/-    0.46       8.4 +/-    0.46  0.170 / 0.480
G21     119.4          67.3                8.9 +/-    0.60       9.5 +/-    0.60  0.180 / 0.360
G24     84.3           28.6                7.5 +/-    0.81      13.4 +/-    0.81  0.060 / 0.110
G27     290.4          36.7                7.9 +/-    0.59      12.2 +/-    0.59  0.060 / 0.120
G32     215.0          42.6               10.3 +/-    1.48      14.3 +/-    1.48  0.030 / 0.050