PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-02:57:40
G01     264.0          39.8               10.5 +/-    1.69      15.3 +/-    1.69  0.090 / 0.090
G03     316.2          31.8                8.0 +/-    2.47      13.6 +/-    2.47  0.070 / 0.080
G10     132.4          13.8                8.1 +/-    1.59      20.7 +/-    1.59  0.050 / 0.060
G11     244.5          18.5                9.3 +/-    1.81      21.2 +/-    1.81  0.050 / 0.060
G14     50.4           46.0                5.1 +/-    0.66       6.8 +/-    0.66  0.070 / 0.100
G22     312.9          55.5                4.8 +/-    1.13       5.7 +/-    1.13  0.070 / 0.070
G25     46.0           13.7                7.0 +/-    1.24      18.0 +/-    1.24  0.060 / 0.140
G26     148.4          27.4                8.3 +/-    1.26      15.3 +/-    1.26  0.060 / 0.150
G31     48.0           72.5                7.6 +/-    0.70       8.0 +/-    0.70  0.040 / 0.100
G32     66.6           32.2                7.0 +/-    1.27      11.7 +/-    1.27  0.040 / 0.070