PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/11-23:12:40
G08     306.5          20.6                6.6 +/-    1.93      14.2 +/-    1.93  0.040 / 0.030
G10     337.3          60.8                5.6 +/-    0.64       6.3 +/-    0.64  0.050 / 0.040
G14     219.4          32.3               10.2 +/-    2.55      17.1 +/-    2.55  0.060 / 0.080
G15     47.3           13.6                4.8 +/-    1.80      12.4 +/-    1.80  0.050 / 0.080
G20     42.1           59.4                7.2 +/-    1.14       8.3 +/-    1.14  0.060 / 0.160
G21     136.7          54.8                9.0 +/-    1.08      10.7 +/-    1.08  0.060 / 0.180
G24     68.7           28.6                6.6 +/-    0.84      11.9 +/-    0.84  0.050 / 0.080
G27     272.8          36.8                9.1 +/-    0.73      14.0 +/-    0.73  0.050 / 0.100
G32     225.5          56.0               10.2 +/-    0.96      12.1 +/-    0.96  0.050 / 0.060