PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-07:12:50
G08     273.2          19.3                6.1 +/-    2.29      13.7 +/-    2.29  0.050 / 0.060
G10     53.4           59.9                4.0 +/-    0.50       4.6 +/-    0.50  0.040 / 0.070
G14     254.7          59.8                6.8 +/-    0.67       7.8 +/-    0.67  0.130 / 0.260
G18     314.5          27.7                4.1 +/-    1.93       7.5 +/-    1.93  0.110 / 0.310
G20     95.5           31.2                5.6 +/-    0.84       9.5 +/-    0.84  0.110 / 0.210
G21     154.1          19.8                5.9 +/-    1.99      13.1 +/-    1.99  0.120 / 0.210
G24     41.2           12.4                1.5 +/-    1.79       4.0 +/-    1.79  0.090 / 0.270
G27     234.7          18.5                7.2 +/-    1.24      16.5 +/-    1.24  0.110 / 0.330
G31     177.5          28.1                6.9 +/-    1.30      12.6 +/-    1.30  0.030 / 0.030
G32     331.5          75.6                5.6 +/-    0.55       5.7 +/-    0.55  0.020 / 0.030