PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/12-10:42:30
G01     293.0          39.6               12.7 +/-    3.53      18.6 +/-    3.53  0.040 / 0.050
G03     311.7          17.3                4.1 +/-    3.26       9.6 +/-    3.26  0.040 / 0.050
G10     118.5          30.1                5.8 +/-    1.46      10.1 +/-    1.46  0.060 / 0.060
G11     268.2          26.2                5.3 +/-    1.88      10.0 +/-    1.88  0.040 / 0.060
G14     13.2           62.3                5.6 +/-    1.01       6.3 +/-    1.01  0.050 / 0.080
G18     256.6          48.0                6.5 +/-    8.91       8.5 +/-    8.91  0.070 / 0.090
G22     314.4          41.6                5.6 +/-    0.90       7.9 +/-    0.90  0.140 / 0.240
G25     69.2           19.0                2.7 +/-    1.27       6.1 +/-    1.27  0.210 / 0.210
G31     124.2          78.2                6.8 +/-    0.39       6.9 +/-    0.39  0.090 / 0.200
G32     50.9           41.6                4.5 +/-    1.32       6.4 +/-    1.32  0.090 / 0.210