PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/30-21:43:10
G01     319.2          17.9                6.2 +/-    0.78      14.4 +/-    0.78  0.190 / 0.180
G08     255.5          13.2                9.0 +/-    1.06      23.3 +/-    1.06  0.190 / 0.200
G10     80.0           52.7                7.7 +/-    0.26       9.4 +/-    0.26  0.040 / 0.060
G11     302.1          23.8                8.4 +/-    2.49      16.9 +/-    2.49  0.040 / 0.050
G14     296.8          70.8                8.6 +/-    0.81       9.1 +/-    0.81  0.100 / 0.220
G18     303.4          42.1                8.8 +/-    0.86      12.4 +/-    0.86  0.100 / 0.210
G20     105.4          29.1                9.8 +/-    1.30      17.4 +/-    1.30  0.170 / 0.330
G31     177.0          40.9               11.1 +/-    1.08      15.9 +/-    1.08  0.170 / 0.280
G32     8.1            67.4                8.0 +/-    0.74       8.6 +/-    0.74  0.050 / 0.100