PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-02:57:50
G01     264.0          39.8                8.6 +/-    2.09      12.5 +/-    2.09  0.150 / 0.180
G03     316.2          31.8                5.9 +/-    1.12      10.0 +/-    1.12  0.110 / 0.170
G10     132.4          13.8                6.6 +/-    3.02      16.9 +/-    3.02  0.090 / 0.060
G11     244.5          18.5                9.0 +/-    1.16      20.6 +/-    1.16  0.080 / 0.080
G14     50.4           46.0                5.6 +/-    1.11       7.5 +/-    1.11  0.090 / 0.060
G22     312.9          55.5                6.7 +/-    1.58       8.0 +/-    1.58  0.070 / 0.070
G25     46.0           13.7                8.4 +/-    2.71      21.6 +/-    2.71  0.020 / 0.030
G26     148.4          27.4                8.1 +/-    2.22      15.0 +/-    2.22  0.030 / 0.020
G31     48.0           72.5                6.5 +/-    0.65       6.7 +/-    0.65  0.100 / 0.230
G32     66.6           32.2                8.0 +/-    3.83      13.4 +/-    3.83  0.180 / 0.210