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                5.9 +/-    1.38      13.0 +/-    1.38  0.240 / 0.320
G08     253.2          12.0               11.0 +/-    3.00      29.4 +/-    3.00  0.310 / 0.330
G10     83.5           51.6                7.2 +/-    1.11       8.9 +/-    1.11  0.040 / 0.030
G11     299.8          24.9                7.8 +/-    0.95      15.2 +/-    0.95  0.040 / 0.040
G14     303.0          70.8                7.5 +/-    0.45       7.9 +/-    0.45  0.090 / 0.160
G18     302.1          42.3                7.3 +/-    2.92      10.3 +/-    2.92  0.090 / 0.180
G20     73.5           67.5               33.2 +/-    1.33      35.6 +/-    1.33  0.200 / 0.260
G22     301.5          10.5                5.3 +/-    7.78      14.5 +/-    7.78  0.150 / 0.280
G31     173.2          46.4                9.7 +/-    0.80      12.8 +/-    0.80  0.240 / 0.330
G32     15.7           64.5                6.3 +/-    0.47       6.9 +/-    0.47  0.220 / 0.310