PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-02:42:40
G01     312.1          30.1                8.6 +/-    1.63      15.1 +/-    1.63  0.090 / 0.170
G10     98.6           43.2                8.3 +/-    0.42      11.4 +/-    0.42  0.130 / 0.190
G11     290.3          26.5                6.6 +/-    1.15      12.5 +/-    1.15  0.080 / 0.070
G14     334.8          70.0                7.0 +/-    0.84       7.4 +/-    0.84  0.070 / 0.060
G18     287.6          48.7                7.5 +/-    0.78       9.6 +/-    0.78  0.090 / 0.160
G20     116.1          19.1                7.0 +/-    1.07      15.8 +/-    1.07  0.100 / 0.150
G22     307.2          19.5                7.1 +/-    1.63      15.9 +/-    1.63  0.030 / 0.060
G25     90.2           13.8                7.6 +/-    1.04      19.3 +/-    1.04  0.040 / 0.050
G31     168.7          58.2                7.4 +/-    0.98       8.6 +/-    0.98  0.190 / 0.270
G32     27.2           58.1                6.3 +/-    0.52       7.2 +/-    0.52  0.170 / 0.270