PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-02:57:50
G08     315.2          15.7                7.7 +/-    2.16      18.8 +/-    2.16  0.080 / 0.090
G10     319.3          57.7               12.3 +/-    1.14      14.2 +/-    1.14  0.070 / 0.090
G14     215.1          21.9               16.6 +/-    1.15      34.8 +/-    1.15  0.090 / 0.220
G15     45.9           18.3                5.9 +/-    0.80      13.5 +/-    0.80  0.090 / 0.270
G20     351.2          64.7               12.3 +/-    0.41      13.5 +/-    0.41  0.040 / 0.040
G21     125.8          64.5               12.0 +/-    0.55      13.2 +/-    0.55  0.030 / 0.040
G24     80.8           29.5                9.7 +/-    0.78      17.2 +/-    0.78  0.040 / 0.050
G27     284.0          37.6               13.8 +/-    1.62      20.8 +/-    1.62  0.040 / 0.050
G32     217.7          47.4               16.6 +/-    1.92      21.7 +/-    1.92  0.070 / 0.130