PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/28-03:42:50
G01     312.6          29.5                6.9 +/-    0.95      12.2 +/-    0.95  0.090 / 0.140
G10     97.8           43.7                7.4 +/-    0.66      10.1 +/-    0.66  0.090 / 0.210
G11     290.7          26.6               10.0 +/-    3.81      18.8 +/-    3.81  0.120 / 0.110
G14     334.3          70.2                6.7 +/-    0.70       7.0 +/-    0.70  0.090 / 0.110
G18     288.4          48.5                1.2 +/-    7.82       1.6 +/-    7.82  0.050 / 0.050
G20     115.6          20.0                5.8 +/-    1.86      12.8 +/-    1.86  0.040 / 0.040
G22     307.0          19.4                6.5 +/-    1.33      14.5 +/-    1.33  0.050 / 0.090
G25     90.7           13.6                5.2 +/-    2.37      13.3 +/-    2.37  0.040 / 0.070
G31     169.2          57.4                8.6 +/-    0.59      10.0 +/-    0.59  0.040 / 0.030
G32     25.8           58.9                5.7 +/-    0.80       6.6 +/-    0.80  0.040 / 0.060