PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-02:12:40
G01     69.7           32.8                3.2 +/-    0.94       5.3 +/-    0.94  0.030 / 0.050
G07     138.0          30.3                5.0 +/-    0.93       8.7 +/-    0.93  0.030 / 0.040
G11     54.6           32.0                2.3 +/-    1.63       3.8 +/-    1.63  0.040 / 0.030
G13     274.3          37.1                4.6 +/-    3.35       7.1 +/-    3.35  0.040 / 0.030
G15     301.0          16.0                1.1 +/-    1.70       2.6 +/-    1.70  0.060 / 0.060
G17     234.9          68.6                4.9 +/-    0.52       5.3 +/-    0.52  0.050 / 0.060
G19     225.1          43.4                6.6 +/-    2.14       9.1 +/-    2.14  0.130 / 0.100
G28     22.5           58.8                1.6 +/-    2.40       1.9 +/-    2.40  0.070 / 0.130
G30     136.1          56.3                5.4 +/-    0.70       6.4 +/-    0.70  0.050 / 0.090