PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-01:27:40
G01     220.9          11.7                6.5 +/-    1.67      17.4 +/-    1.67  0.030 / 0.030
G03     267.1          69.4                4.1 +/-    0.89       4.4 +/-    0.89  0.040 / 0.040
G09     298.8          12.8               -0.7 +/-   19.67      -1.9 +/-   19.67  0.160 / 0.260
G14     93.7           18.7                5.3 +/-    2.70      12.1 +/-    2.70  0.190 / 0.310
G16     147.7          50.0               -2.0 +/-    0.83      -2.5 +/-    0.83  0.060 / 0.080
G22     204.7          64.5                5.4 +/-    0.67       6.0 +/-    0.67  0.070 / 0.120
G23     312.3          41.7                4.1 +/-    0.81       5.9 +/-    0.81  0.030 / 0.050
G26     88.6           56.1                6.0 +/-    0.55       7.0 +/-    0.55  0.030 / 0.040
G31     47.2           29.2                2.5 +/-    1.13       4.4 +/-    1.13  0.510 / 0.290