PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-13:27:30
G10     303.1          53.4                5.7 +/-    0.63       6.9 +/-    0.63  0.050 / 0.070
G14     211.7          14.6                5.1 +/-    2.77      12.9 +/-    2.77  0.050 / 0.080
G15     45.5           23.0                2.6 +/-    1.93       5.4 +/-    1.93  0.170 / 0.480
G20     72.6           19.7                3.8 +/-    1.19       8.4 +/-    1.19  0.170 / 0.390
G21     111.3          68.6                6.2 +/-    0.96       6.7 +/-    0.96  0.030 / 0.030
G24     93.8           28.0                4.7 +/-    2.48       8.5 +/-    2.48  0.030 / 0.030
G27     294.5          36.4                7.3 +/-    2.43      11.3 +/-    2.43  0.110 / 0.190
G32     212.6          36.6                8.3 +/-    1.71      12.8 +/-    1.71  0.080 / 0.180