PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-00:57:40
G01     318.3          20.0                8.8 +/-    2.85      19.5 +/-    2.85  0.180 / 0.410
G08     254.0          11.9               11.0 +/-    2.16      29.6 +/-    2.16  0.170 / 0.340
G10     83.7           51.5                9.6 +/-    1.04      11.9 +/-    1.04  0.040 / 0.050
G11     300.1          24.7                9.3 +/-    1.47      18.4 +/-    1.47  0.040 / 0.050
G14     302.5          70.7                9.7 +/-    0.87      10.2 +/-    0.87  0.180 / 0.310
G18     301.5          42.9                8.2 +/-    0.67      11.4 +/-    0.67  0.150 / 0.280
G20     107.4          27.4                9.3 +/-    2.17      17.2 +/-    2.17  0.040 / 0.060
G22     301.9          11.6                6.3 +/-    6.77      16.8 +/-    6.77  0.040 / 0.060
G31     174.7          45.4               11.8 +/-    1.17      15.8 +/-    1.17  0.090 / 0.220
G32     14.5           64.9                7.6 +/-    0.48       8.3 +/-    0.48  0.080 / 0.200