PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/06-20:58:00
G08     317.8          14.0                8.5 +/-    1.52      21.6 +/-    1.52  0.060 / 0.080
G10     310.6          55.8                8.9 +/-    0.82      10.6 +/-    0.82  0.050 / 0.090
G14     212.7          19.0               11.7 +/-    1.89      26.4 +/-    1.89  0.040 / 0.050
G15     45.8           24.8                8.8 +/-    1.11      17.3 +/-    1.11  0.030 / 0.040
G20     12.0           64.3                1.1 +/-    0.51       1.3 +/-    0.51  0.120 / 0.540
G21     117.5          67.7               -1.4 +/-    1.04      -1.5 +/-    1.04  0.150 / 0.490
G24     85.0           28.3               10.0 +/-    0.75      18.2 +/-    0.75  0.090 / 0.300
G27     292.3          36.2               10.2 +/-    1.32      15.8 +/-    1.32  0.090 / 0.350
G32     214.4          41.0               12.7 +/-    0.53      18.2 +/-    0.53  0.060 / 0.100