PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/10-04:42:50
G08     307.2          19.8                4.4 +/-    1.81       9.7 +/-    1.81  0.070 / 0.080
G10     343.1          61.5                3.8 +/-    0.44       4.2 +/-    0.44  0.080 / 0.080
G14     219.9          34.8                8.7 +/-    1.75      13.8 +/-    1.75  0.020 / 0.030
G20     45.1           58.6                6.0 +/-    0.77       6.9 +/-    0.77  0.030 / 0.030
G21     138.2          53.0                7.6 +/-    1.26       9.3 +/-    1.26  0.050 / 0.050
G24     69.1           29.4                3.8 +/-    1.55       6.8 +/-    1.55  0.040 / 0.050
G27     270.8          36.7                6.4 +/-    1.93       9.8 +/-    1.93  0.120 / 0.130
G32     226.5          53.5                7.6 +/-    2.77       9.2 +/-    2.77  0.100 / 0.170