PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-08:43:00
G08     276.1          19.7                4.6 +/-    0.73      10.2 +/-    0.73  0.040 / 0.060
G10     49.4           60.6                5.2 +/-    0.59       5.9 +/-    0.59  0.050 / 0.060
G14     251.2          57.8                6.2 +/-    1.11       7.2 +/-    1.11  0.490 / 0.500
G18     315.2          25.9                4.1 +/-    1.35       7.8 +/-    1.35  0.310 / 0.520
G20     98.8           20.6                4.4 +/-    1.64       9.6 +/-    1.64  0.110 / 0.210
G21     153.6          21.3                4.3 +/-    2.64       9.2 +/-    2.64  0.130 / 0.190
G24     42.2           14.0                2.1 +/-    3.80       5.3 +/-    3.80  0.120 / 0.250
G27     236.0          19.7                6.4 +/-    4.51      14.3 +/-    4.51  0.090 / 0.160
G31     178.0          26.1                6.0 +/-    1.06      11.4 +/-    1.06  0.360 / 0.220
G32     323.3          76.2                6.5 +/-    0.67       6.6 +/-    0.67  0.200 / 0.480