PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-21:42:50
G01     304.4          35.3                8.6 +/-    1.73      13.6 +/-    1.73  0.070 / 0.130
G10     109.3          37.1               10.8 +/-    0.88      16.5 +/-    0.88  0.070 / 0.130
G11     276.7          28.3                8.3 +/-    0.86      15.1 +/-    0.86  0.070 / 0.120
G14     4.2            65.4                8.4 +/-    0.93       9.1 +/-    0.93  0.060 / 0.100
G18     268.5          51.0                9.1 +/-    0.91      11.3 +/-    0.91  0.040 / 0.040
G20     122.4          11.7                9.6 +/-    1.79      25.8 +/-    1.79  0.050 / 0.050
G22     310.7          27.5                6.6 +/-    0.85      12.2 +/-    0.85  0.090 / 0.300
G25     74.6           16.2                7.9 +/-    1.89      19.0 +/-    1.89  0.080 / 0.330
G31     167.1          67.0               10.2 +/-    1.17      11.0 +/-    1.17  0.060 / 0.170
G32     39.4           50.3                8.4 +/-    1.00      10.6 +/-    1.00  0.070 / 0.170