PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-07:12:50
G01     77.7           33.2                6.3 +/-    0.88      10.3 +/-    0.88  0.030 / 0.040
G07     133.8          34.6                9.2 +/-    1.24      14.7 +/-    1.24  0.030 / 0.030
G11     56.8           33.3                4.5 +/-    0.52       7.3 +/-    0.52  0.050 / 0.080
G13     281.4          38.2                5.6 +/-    0.97       8.4 +/-    0.97  0.040 / 0.090
G15     309.7          12.3                4.2 +/-    1.83      11.0 +/-    1.83  0.060 / 0.110
G17     224.4          66.6                8.8 +/-    1.09       9.5 +/-    1.09  0.070 / 0.130
G18     51.7           19.2                4.5 +/-    0.96      10.1 +/-    0.96  0.070 / 0.120
G19     220.0          33.7                6.9 +/-    2.37      11.3 +/-    2.37  0.050 / 0.130
G28     5.7            60.9                5.9 +/-    0.59       6.6 +/-    0.59  0.080 / 0.210
G30     127.9          69.2                9.3 +/-    0.94       9.9 +/-    0.94  0.090 / 0.220