PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-00:27:30
G03     245.8          68.9                5.7 +/-    0.24       6.1 +/-    0.24  0.030 / 0.040
G09     303.7          20.4                4.9 +/-    1.25      10.7 +/-    1.25  0.030 / 0.040
G14     98.5           15.1                5.5 +/-    2.09      13.6 +/-    2.09  0.130 / 0.370
G16     129.0          57.6                7.6 +/-    0.43       8.8 +/-    0.43  0.140 / 0.390
G22     198.2          57.6                6.7 +/-    0.85       7.8 +/-    0.85  0.030 / 0.020
G23     316.5          46.1                6.2 +/-    0.93       8.2 +/-    0.93  0.030 / 0.030
G26     73.1           53.1                4.8 +/-    0.78       5.8 +/-    0.78  0.090 / 0.150
G31     50.9           22.6                3.0 +/-    2.38       6.2 +/-    2.38  0.080 / 0.200