PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-02:57:50
G10     114.0          34.7                6.4 +/-    0.71      10.3 +/-    0.71  0.030 / 0.040
G11     270.4          28.6                6.4 +/-    1.13      11.6 +/-    1.13  0.030 / 0.040
G14     16.7           61.6                4.4 +/-    0.55       4.9 +/-    0.55  0.060 / 0.120
G22     312.1          32.3                4.7 +/-    2.00       7.8 +/-    2.00  0.050 / 0.100
G25     70.4           17.6                4.0 +/-    0.99       9.4 +/-    0.99  0.070 / 0.180
G31     160.7          72.7                5.8 +/-    1.04       6.1 +/-    1.04  0.080 / 0.160
G32     42.3           48.7                3.5 +/-    0.89       4.5 +/-    0.89  0.040 / 0.040