PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-01:58:00
G01     316.2          23.8                6.3 +/-    2.07      12.7 +/-    2.07  0.240 / 0.410
G10     90.4           48.7                7.6 +/-    0.46       9.7 +/-    0.46  0.130 / 0.400
G11     294.9          26.6                5.7 +/-    2.34      10.7 +/-    2.34  0.120 / 0.170
G14     318.7          71.0                7.2 +/-    0.74       7.6 +/-    0.74  0.080 / 0.190
G18     296.5          45.4                6.5 +/-    0.63       8.7 +/-    0.63  0.050 / 0.050
G20     86.1           64.4               11.3 +/-    0.86      12.4 +/-    0.86  0.040 / 0.050
G22     303.9          14.1                3.8 +/-    2.39       9.7 +/-    2.39  0.120 / 0.360
G25     93.8           11.5               -6.9 +/-   33.47     -18.7 +/-   33.47  0.130 / 0.470
G31     171.4          51.9                9.7 +/-    1.03      11.9 +/-    1.03  0.080 / 0.210
G32     22.8           60.8                5.7 +/-    0.56       6.4 +/-    0.56  0.090 / 0.190