PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-02:42:50
G01     301.8          36.3                6.8 +/-    1.01      10.5 +/-    1.01  0.080 / 0.110
G10     111.2          37.0                6.3 +/-    0.66       9.7 +/-    0.66  0.080 / 0.090
G11     274.0          29.0                7.6 +/-    1.50      13.6 +/-    1.50  0.030 / 0.040
G14     11.3           63.4                6.2 +/-    0.87       6.8 +/-    0.87  0.040 / 0.040
G18     120.5          10.7                5.0 +/-    2.29      13.8 +/-    2.29  0.070 / 0.150
G22     311.2          29.7                5.9 +/-    2.18      10.4 +/-    2.18  0.080 / 0.150
G25     73.6           17.2                6.3 +/-    0.83      14.9 +/-    0.83  0.070 / 0.220
G31     165.7          69.3                8.2 +/-    0.94       8.7 +/-    0.94  0.070 / 0.180
G32     38.9           50.9                5.9 +/-    0.29       7.3 +/-    0.29  0.040 / 0.040