PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-03:57:50
G08     290.0          23.0               10.7 +/-    1.80      21.8 +/-    1.80  0.090 / 0.130
G10     15.0           63.1               10.2 +/-    0.82      11.3 +/-    0.82  0.090 / 0.130
G14     232.6          46.8               12.5 +/-    1.56      16.4 +/-    1.56  0.090 / 0.090
G18     317.7          12.4                7.5 +/-    3.02      19.8 +/-    3.02  0.070 / 0.080
G20     52.5           60.5               11.0 +/-    0.63      12.5 +/-    0.63  0.040 / 0.040
G21     148.3          37.9               10.8 +/-    1.13      16.2 +/-    1.13  0.030 / 0.040
G24     52.3           23.2                7.6 +/-    0.60      15.5 +/-    0.60  0.050 / 0.110
G27     250.9          29.9               13.7 +/-    2.06      24.1 +/-    2.06  0.050 / 0.110
G31     181.8          10.9                0.7 +/-   22.56       1.8 +/-   22.56  0.100 / 0.120
G32     256.5          72.2               12.4 +/-    0.45      12.9 +/-    0.45  0.090 / 0.130