PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-01:43:00
G01     318.3          19.8                7.5 +/-    2.53      16.6 +/-    2.53  0.180 / 0.320
G08     253.2          12.0               10.2 +/-    2.19      27.4 +/-    2.19  0.140 / 0.330
G10     83.5           51.6                7.5 +/-    0.94       9.3 +/-    0.94  0.040 / 0.050
G11     299.8          24.9                8.4 +/-    1.85      16.5 +/-    1.85  0.050 / 0.060
G14     303.0          70.8                8.2 +/-    1.00       8.6 +/-    1.00  0.090 / 0.230
G18     302.1          42.3                7.2 +/-    0.81      10.1 +/-    0.81  0.080 / 0.230
G20     73.5           67.5               14.7 +/-    2.15      15.7 +/-    2.15  0.250 / 0.530
G31     173.2          46.4               10.3 +/-    1.76      13.6 +/-    1.76  0.160 / 0.430
G32     15.7           64.5                5.2 +/-    0.51       5.7 +/-    0.51  0.040 / 0.070