PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/07-00:27:50
G01     318.7          20.1                6.3 +/-    1.00      13.8 +/-    1.00  0.040 / 0.050
G08     260.2          13.2                7.5 +/-    3.59      19.4 +/-    3.59  0.040 / 0.050
G10     81.7           51.1                8.2 +/-    0.90      10.2 +/-    0.90  0.170 / 0.210
G11     303.7          22.1                6.5 +/-    1.49      13.5 +/-    1.49  0.190 / 0.320
G14     292.2          69.8                6.5 +/-    0.51       6.9 +/-    0.51  0.120 / 0.330
G18     304.0          41.4                7.0 +/-    1.40       9.9 +/-    1.40  0.190 / 0.300
G20     106.4          27.9                8.4 +/-    0.75      15.5 +/-    0.75  0.050 / 0.080
G31     174.2          43.7                8.7 +/-    1.05      11.9 +/-    1.05  0.060 / 0.080
G32     9.0            67.2                6.1 +/-    0.74       6.5 +/-    0.74  0.040 / 0.040