PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-00:13:00
G01     318.3          20.0                6.7 +/-    1.23      14.8 +/-    1.23  0.170 / 0.290
G08     253.8          11.9               12.0 +/-    1.45      32.0 +/-    1.45  0.170 / 0.240
G10     83.8           51.4               10.1 +/-    1.14      12.5 +/-    1.14  0.150 / 0.270
G11     300.0          24.7                8.6 +/-    0.77      16.8 +/-    0.77  0.220 / 0.320
G14     303.2          70.8                9.9 +/-    0.62      10.4 +/-    0.62  0.040 / 0.050
G18     301.3          43.1                8.9 +/-    3.69      12.3 +/-    3.69  0.040 / 0.040
G20     107.4          27.3               11.9 +/-    0.84      22.0 +/-    0.84  0.090 / 0.170
G22     301.9          11.5                3.1 +/-    8.21       8.4 +/-    8.21  0.080 / 0.180
G31     175.1          45.1               13.2 +/-    0.71      17.8 +/-    0.71  0.260 / 0.280
G32     14.2           65.0                9.4 +/-    0.54      10.2 +/-    0.54  0.230 / 0.260