PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-21:27:40
G10     297.1          51.8                8.8 +/-    1.72      10.8 +/-    1.72  0.040 / 0.040
G14     210.2          10.9               -4.4 +/-   20.66     -12.1 +/-   20.66  0.040 / 0.030
G15     46.9           33.2                7.9 +/-    1.78      12.9 +/-    1.78  0.060 / 0.090
G20     351.5          65.4                9.5 +/-    0.35      10.3 +/-    0.35  0.070 / 0.090
G21     95.4           74.2               10.9 +/-    0.57      11.3 +/-    0.57  0.220 / 0.570
G24     95.0           26.1               10.8 +/-    1.89      20.6 +/-    1.89  0.220 / 0.370
G27     301.9          33.3                6.8 +/-    2.86      11.2 +/-    2.86  0.080 / 0.120
G32     210.2          32.6               10.6 +/-    1.11      17.7 +/-    1.11  0.080 / 0.110