PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/18-00:12:50
G01     311.5          30.9                9.1 +/-    1.30      15.6 +/-    1.30  0.120 / 0.120
G10     99.4           42.6                9.9 +/-    0.66      13.9 +/-    0.66  0.090 / 0.100
G11     290.4          26.2                8.0 +/-    1.76      15.2 +/-    1.76  0.040 / 0.050
G14     333.0          69.9                7.5 +/-    0.63       7.9 +/-    0.63  0.040 / 0.050
G18     286.8          48.9                1.7 +/-    5.99       2.1 +/-    5.99  0.040 / 0.070
G20     116.8          17.7                9.7 +/-    1.63      22.7 +/-    1.63  0.050 / 0.080
G22     307.4          19.3                7.2 +/-    1.28      16.1 +/-    1.28  0.030 / 0.030
G25     89.6           14.1                7.6 +/-    2.03      19.4 +/-    2.03  0.050 / 0.030
G31     168.5          58.8                9.6 +/-    0.75      11.0 +/-    0.75  0.100 / 0.190
G32     29.3           56.9                7.8 +/-    1.23       9.2 +/-    1.23  0.070 / 0.230