PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-00:57:50
G08     318.7          13.1                8.2 +/-    2.54      21.3 +/-    2.54  0.080 / 0.070
G10     309.0          55.3                8.3 +/-    1.70       9.8 +/-    1.70  0.060 / 0.070
G14     212.6          17.2               14.0 +/-    4.92      32.9 +/-    4.92  0.030 / 0.030
G15     45.8           24.5                8.0 +/-    2.58      15.8 +/-    2.58  0.030 / 0.040
G20     309.7          55.0                8.0 +/-    0.84       9.6 +/-    0.84  0.160 / 0.290
G21     114.7          69.9                9.8 +/-    0.95      10.4 +/-    0.95  0.130 / 0.200
G24     87.5           28.5                9.7 +/-    1.24      17.5 +/-    1.24  0.100 / 0.110
G27     292.1          36.6                7.4 +/-    1.73      11.4 +/-    1.73  0.080 / 0.110
G32     213.8          41.2               12.3 +/-    0.93      17.5 +/-    0.93  0.150 / 0.180