PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/01-17:27:50
G08     311.0          18.9                9.4 +/-    1.35      21.3 +/-    1.35  0.090 / 0.190
G10     326.3          59.1                8.7 +/-    0.71       9.9 +/-    0.71  0.100 / 0.170
G14     216.1          27.9               10.8 +/-    2.07      19.9 +/-    2.07  0.030 / 0.040
G15     46.3           15.0                7.6 +/-    0.91      19.0 +/-    0.91  0.040 / 0.040
G20     30.9           61.7                9.3 +/-    0.66      10.4 +/-    0.66  0.050 / 0.090
G21     130.8          57.8               10.6 +/-    0.62      12.3 +/-    0.62  0.060 / 0.110
G24     73.4           28.3                9.3 +/-    0.58      16.9 +/-    0.58  0.140 / 0.210
G27     282.3          36.9               10.8 +/-    0.95      16.5 +/-    0.95  0.160 / 0.210
G32     220.2          48.3               10.9 +/-    0.81      14.0 +/-    0.81  0.080 / 0.080