PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-00:13:00
G01     316.0          25.2                6.9 +/-    2.27      13.4 +/-    2.27  0.180 / 0.260
G08     254.6          10.2                9.7 +/-    2.89      27.0 +/-    2.89  0.140 / 0.220
G10     90.3           47.4                9.6 +/-    0.39      12.5 +/-    0.39  0.070 / 0.160
G11     298.0          24.4                8.5 +/-    2.32      16.9 +/-    2.32  0.070 / 0.170
G14     310.7          70.7                8.8 +/-    0.46       9.3 +/-    0.46  0.060 / 0.060
G18     297.2          45.4                8.2 +/-    0.71      11.0 +/-    0.71  0.050 / 0.050
G20     111.4          23.2                8.5 +/-    0.84      17.3 +/-    0.84  0.140 / 0.440
G22     304.1          13.8                6.6 +/-    2.13      17.0 +/-    2.13  0.170 / 0.440
G31     172.2          50.5               11.4 +/-    0.98      14.3 +/-    0.98  0.040 / 0.080
G32     19.5           62.5                8.1 +/-    0.66       9.0 +/-    0.66  0.040 / 0.080