PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-22:57:40
G01     317.1          23.4                8.3 +/-    1.86      16.9 +/-    1.86  0.230 / 0.130
G08     255.8          11.4               13.2 +/-    0.79      35.8 +/-    0.79  0.150 / 0.150
G10     87.1           48.9                9.3 +/-    0.89      11.9 +/-    0.89  0.040 / 0.050
G11     300.8          23.2                8.4 +/-    1.29      17.1 +/-    1.29  0.030 / 0.050
G14     301.3          70.2                7.8 +/-    0.53       8.2 +/-    0.53  0.160 / 0.320
G18     300.2          43.9                9.8 +/-    4.30      13.4 +/-    4.30  0.190 / 0.260
G20     109.6          24.6                9.7 +/-    1.41      19.2 +/-    1.41  0.090 / 0.090
G22     302.9          11.9                6.1 +/-   10.60      16.2 +/-   10.60  0.070 / 0.130
G31     173.3          47.6               10.1 +/-    1.14      13.1 +/-    1.14  0.160 / 0.240
G32     16.5           64.1                8.0 +/-    0.38       8.8 +/-    0.38  0.150 / 0.360