PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/06-01:27:40
G01     319.3          17.4                6.3 +/-    2.49      14.7 +/-    2.49  0.040 / 0.040
G08     256.8          13.5                8.0 +/-    3.02      20.5 +/-    3.02  0.040 / 0.040
G10     79.0           53.2                7.9 +/-    0.61       9.6 +/-    0.61  0.100 / 0.150
G11     303.0          23.3                6.6 +/-    1.43      13.3 +/-    1.43  0.070 / 0.130
G14     292.3          70.0                7.9 +/-    0.46       8.3 +/-    0.46  0.190 / 0.200
G18     304.7          40.6                8.2 +/-    1.91      11.9 +/-    1.91  0.180 / 0.140
G20     104.8          29.6                6.7 +/-    0.91      11.9 +/-    0.91  0.130 / 0.390
G31     175.3          42.2               10.0 +/-    1.09      14.1 +/-    1.09  0.170 / 0.310
G32     9.4            67.1                5.8 +/-    0.68       6.2 +/-    0.68  0.090 / 0.070