PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-02:58:00
G10     114.0          34.7                5.6 +/-    0.62       8.9 +/-    0.62  0.040 / 0.060
G11     270.4          28.6                5.3 +/-    1.40       9.6 +/-    1.40  0.070 / 0.070
G14     16.7           61.6                4.0 +/-    1.43       4.5 +/-    1.43  0.080 / 0.100
G22     312.1          32.3                3.8 +/-    1.87       6.4 +/-    1.87  0.070 / 0.090
G25     70.4           17.6                5.0 +/-    1.01      11.8 +/-    1.01  0.050 / 0.050
G31     160.7          72.7                5.2 +/-    0.35       5.5 +/-    0.35  0.050 / 0.040
G32     42.3           48.7                2.7 +/-    1.53       3.5 +/-    1.53  0.030 / 0.030