PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-02:57:50
G01     318.7          18.8                5.2 +/-    1.45      11.8 +/-    1.45  0.150 / 0.360
G08     255.1          12.6               11.0 +/-    1.52      29.0 +/-    1.52  0.180 / 0.350
G10     81.6           52.4                7.5 +/-    0.63       9.2 +/-    0.63  0.140 / 0.250
G11     301.4          24.1                7.8 +/-    0.88      15.5 +/-    0.88  0.160 / 0.270
G14     297.0          70.2                8.5 +/-    0.56       8.9 +/-    0.56  0.040 / 0.050
G18     303.5          41.3                8.1 +/-    0.65      11.6 +/-    0.65  0.040 / 0.070
G20     87.5           58.7               19.6 +/-    1.31      22.5 +/-    1.31  0.080 / 0.170
G22     301.1          10.6                2.6 +/-    8.28       7.0 +/-    8.28  0.070 / 0.220
G31     173.6          45.1               11.6 +/-    0.98      15.6 +/-    0.98  0.220 / 0.400
G32     13.6           65.5                5.9 +/-    0.50       6.4 +/-    0.50  0.230 / 0.460