PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-03:27:50
G01     312.2          30.0                5.2 +/-    1.12       9.1 +/-    1.12  0.080 / 0.190
G10     98.6           43.2                7.5 +/-    0.71      10.4 +/-    0.71  0.130 / 0.180
G11     290.1          26.7                7.4 +/-    2.62      13.8 +/-    2.62  0.040 / 0.050
G14     335.8          70.0                5.2 +/-    0.48       5.5 +/-    0.48  0.040 / 0.050
G18     287.5          48.7                1.8 +/-    9.24       2.4 +/-    9.24  0.090 / 0.130
G20     116.0          19.4                6.2 +/-    2.28      13.9 +/-    2.28  0.110 / 0.150
G22     307.3          19.8                4.9 +/-    1.12      10.9 +/-    1.12  0.210 / 0.390
G25     90.2           13.9                6.1 +/-    2.22      15.6 +/-    2.22  0.190 / 0.450
G31     168.8          58.1                7.3 +/-    0.74       8.4 +/-    0.74  0.040 / 0.060
G32     26.7           58.4                4.6 +/-    0.73       5.3 +/-    0.73  0.050 / 0.070