PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-20:12:50
G01     318.7          20.3                8.0 +/-    1.55      17.4 +/-    1.55  0.040 / 0.050
G08     257.8          13.5                9.1 +/-    1.05      23.4 +/-    1.05  0.030 / 0.050
G10     81.1           51.2                7.9 +/-    0.57       9.8 +/-    0.57  0.040 / 0.050
G11     305.5          20.6                9.0 +/-    3.87      19.5 +/-    3.87  0.040 / 0.050
G14     285.1          68.1                7.3 +/-    0.59       7.8 +/-    0.59  0.260 / 0.390
G20     106.5          26.7                9.1 +/-    1.49      17.1 +/-    1.49  0.220 / 0.300
G31     175.3          42.2               10.2 +/-    0.97      14.4 +/-    0.97  0.210 / 0.280
G32     10.7           66.8                5.9 +/-    0.81       6.3 +/-    0.81  0.210 / 0.270