PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-07:43:10
G01     39.0           13.4                1.5 +/-    1.17       3.8 +/-    1.17  0.160 / 0.360
G06     173.0          41.2                6.6 +/-    1.08       9.5 +/-    1.08  0.170 / 0.390
G13     234.7          21.6                5.9 +/-    1.75      12.6 +/-    1.75  0.070 / 0.150
G15     267.3          11.7                3.7 +/-    1.46      10.0 +/-    1.46  0.060 / 0.110
G17     5.1            69.4                5.8 +/-    0.57       6.2 +/-    0.57  0.040 / 0.050
G19     286.6          71.6                6.1 +/-    0.61       6.4 +/-    0.61  0.050 / 0.050
G24     316.2          19.1                3.5 +/-    1.71       8.0 +/-    1.71  0.040 / 0.070
G28     64.9           52.2                6.4 +/-    1.21       7.8 +/-    1.21  0.040 / 0.080
G30     156.1          29.1                7.1 +/-    1.20      12.7 +/-    1.20  0.170 / 0.160