PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-02:57:50
G01     311.2          30.9                7.6 +/-    1.77      13.1 +/-    1.77  0.090 / 0.240
G10     100.0          42.3                8.0 +/-    0.40      11.2 +/-    0.40  0.140 / 0.250
G11     288.9          26.8                6.6 +/-    1.28      12.4 +/-    1.28  0.050 / 0.050
G14     338.6          69.7                7.8 +/-    0.79       8.3 +/-    0.79  0.050 / 0.050
G18     285.7          49.1                8.6 +/-    0.90      11.0 +/-    0.90  0.110 / 0.120
G20     116.9          18.3                7.1 +/-    1.05      16.3 +/-    1.05  0.090 / 0.120
G22     307.7          20.5                7.5 +/-    1.79      16.2 +/-    1.79  0.130 / 0.270
G25     89.0           14.3                5.4 +/-    1.13      13.5 +/-    1.13  0.110 / 0.250
G31     167.9          59.6                8.3 +/-    0.61       9.5 +/-    0.61  0.040 / 0.050
G32     28.6           57.3                5.7 +/-    1.08       6.6 +/-    1.08  0.040 / 0.060