PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/02-07:27:50
G08     274.0          19.5                3.5 +/-    0.96       7.7 +/-    0.96  0.040 / 0.050
G10     52.1           60.1                3.5 +/-    0.43       4.0 +/-    0.43  0.040 / 0.070
G14     253.5          59.2                5.5 +/-    1.19       6.3 +/-    1.19  0.110 / 0.200
G18     314.7          27.1                2.5 +/-    1.70       4.7 +/-    1.70  0.130 / 0.230
G20     95.9           29.5                5.0 +/-    0.87       8.8 +/-    0.87  0.090 / 0.220
G21     154.0          20.4                5.9 +/-    1.09      12.9 +/-    1.09  0.090 / 0.180
G24     41.5           12.9                1.1 +/-    2.48       2.8 +/-    2.48  0.120 / 0.220
G27     235.1          18.9                5.8 +/-    1.71      13.0 +/-    1.71  0.090 / 0.230
G31     177.7          27.4                4.7 +/-    1.24       8.7 +/-    1.24  0.030 / 0.030
G32     329.0          75.8                5.4 +/-    0.68       5.5 +/-    0.68  0.030 / 0.030