PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/07-00:43:20
G08     273.8          21.0                9.1 +/-    1.62      19.6 +/-    1.62  0.090 / 0.150
G10     46.3           60.8               10.3 +/-    0.57      11.6 +/-    0.57  0.080 / 0.140
G14     250.7          60.1               11.0 +/-    0.89      12.5 +/-    0.89  0.050 / 0.050
G18     315.4          25.8                8.7 +/-    0.94      16.6 +/-    0.94  0.050 / 0.050
G20     87.2           41.8                9.0 +/-    1.14      12.7 +/-    1.14  0.300 / 0.300
G21     153.2          23.1               11.8 +/-    1.77      24.1 +/-    1.77  0.150 / 0.300
G24     42.2           13.6                6.9 +/-    4.20      17.9 +/-    4.20  0.160 / 0.310
G27     238.7          21.3               10.9 +/-    2.81      23.3 +/-    2.81  0.130 / 0.260
G31     179.3          23.2               11.8 +/-    2.34      24.1 +/-    2.34  0.110 / 0.190
G32     312.5          76.6               10.1 +/-    0.49      10.3 +/-    0.49  0.110 / 0.190