PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-03:27:50
G08     274.4          20.9               11.3 +/-    2.37      24.3 +/-    2.37  0.110 / 0.180
G10     46.1           60.9                8.0 +/-    1.15       9.0 +/-    1.15  0.130 / 0.210
G14     250.2          59.2                9.3 +/-    0.87      10.6 +/-    0.87  0.140 / 0.200
G18     315.6          25.0                8.5 +/-    1.97      16.7 +/-    1.97  0.120 / 0.200
G20     65.4           60.5               13.8 +/-    0.91      15.6 +/-    0.91  0.040 / 0.050
G21     153.4          23.8                9.5 +/-    2.50      19.0 +/-    2.50  0.040 / 0.050
G24     42.6           14.4                5.4 +/-    3.17      13.7 +/-    3.17  0.340 / 0.280
G27     238.0          21.1               11.8 +/-    1.93      25.2 +/-    1.93  0.270 / 0.350
G31     178.3          24.3                9.1 +/-    3.12      18.0 +/-    3.12  0.180 / 0.240
G32     315.5          76.7                9.8 +/-    0.49      10.0 +/-    0.49  0.150 / 0.290