PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-02:58:00
G01     311.8          29.0                7.9 +/-    2.16      14.1 +/-    2.16  0.090 / 0.170
G10     98.4           45.5                6.8 +/-    0.57       9.1 +/-    0.57  0.090 / 0.170
G11     287.2          29.0                9.3 +/-    2.22      16.7 +/-    2.22  0.110 / 0.280
G14     345.9          69.2                6.2 +/-    0.78       6.6 +/-    0.78  0.070 / 0.190
G18     112.6          19.7                6.2 +/-    0.99      13.7 +/-    0.99  0.030 / 0.030
G22     306.9          20.6                9.7 +/-    2.62      21.1 +/-    2.62  0.030 / 0.030
G25     84.9           14.2                5.9 +/-    0.91      14.9 +/-    0.91  0.040 / 0.040
G31     173.5          56.5                8.8 +/-    0.70      10.3 +/-    0.70  0.030 / 0.050
G32     25.4           58.9                5.7 +/-    0.42       6.5 +/-    0.42  0.040 / 0.040