PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-00:28:10
G03     244.4          68.7                6.6 +/-    0.95       7.0 +/-    0.95  0.050 / 0.040
G09     303.9          20.7                6.7 +/-    4.01      14.5 +/-    4.01  0.040 / 0.040
G14     98.9           14.8                4.9 +/-    1.76      12.2 +/-    1.76  0.040 / 0.050
G16     128.2          58.0                7.5 +/-    0.53       8.7 +/-    0.53  0.050 / 0.050
G22     197.8          57.2                7.4 +/-    0.77       8.6 +/-    0.77  0.100 / 0.330
G23     316.9          46.4                5.1 +/-    1.14       6.8 +/-    1.14  0.100 / 0.350
G26     72.4           52.9                4.1 +/-    0.64       5.0 +/-    0.64  0.030 / 0.050
G31     51.1           22.3                2.6 +/-    1.16       5.4 +/-    1.16  0.030 / 0.050