PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/30-01:42:40
G08     317.8          13.8                7.7 +/-    1.61      19.8 +/-    1.61  0.050 / 0.090
G10     312.0          56.0                8.7 +/-    1.27      10.2 +/-    1.27  0.060 / 0.070
G14     213.3          18.5               12.5 +/-    1.58      28.6 +/-    1.58  0.150 / 0.700
G15     45.7           22.6                5.3 +/-    0.60      11.0 +/-    0.60  0.130 / 0.570
G20     321.7          59.8                9.0 +/-    0.50      10.2 +/-    0.50  0.030 / 0.040
G21     118.5          68.4                8.9 +/-    0.96       9.5 +/-    0.96  0.040 / 0.040
G24     85.6           28.9                7.3 +/-    0.81      13.1 +/-    0.81  0.070 / 0.110
G27     289.7          37.1                9.0 +/-    1.89      13.7 +/-    1.89  0.070 / 0.120
G32     214.9          43.1               11.4 +/-    0.66      15.8 +/-    0.66  0.030 / 0.040