PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-14:12:50
G01     67.5           32.4                9.1 +/-    1.56      15.1 +/-    1.56  0.050 / 0.050
G07     139.0          28.3                8.4 +/-    1.04      15.2 +/-    1.04  0.040 / 0.040
G11     51.3           27.9                7.0 +/-    0.96      12.8 +/-    0.96  0.060 / 0.080
G13     270.5          37.2                7.9 +/-    1.33      12.0 +/-    1.33  0.060 / 0.090
G15     302.8          14.2                4.9 +/-    1.55      12.3 +/-    1.55  0.040 / 0.060
G17     239.9          72.5                9.1 +/-    0.54       9.5 +/-    0.54  0.050 / 0.070
G18     46.5           16.4                7.4 +/-    1.54      17.9 +/-    1.54  0.050 / 0.070
G19     226.1          41.3                7.9 +/-    1.17      11.2 +/-    1.17  0.060 / 0.060
G28     24.2           58.7               10.1 +/-    0.54      11.6 +/-    0.54  0.050 / 0.130
G30     138.5          60.5                9.5 +/-    0.74      10.7 +/-    0.74  0.070 / 0.140