PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-01:58:00
G08     267.7          19.1               10.8 +/-    1.30      24.3 +/-    1.30  0.100 / 0.160
G10     55.5           60.0                8.1 +/-    0.35       9.2 +/-    0.35  0.130 / 0.170
G11     311.8          17.4                9.3 +/-    0.72      21.9 +/-    0.72  0.080 / 0.280
G14     264.6          66.4                9.2 +/-    0.90      10.0 +/-    0.90  0.090 / 0.230
G18     89.3           38.3                9.4 +/-    0.59      14.1 +/-    0.59  0.040 / 0.030
G21     153.6          16.6                7.9 +/-    2.69      18.9 +/-    2.69  0.030 / 0.030
G24     41.2           13.0                7.7 +/-    2.08      20.0 +/-    2.08  0.040 / 0.050
G27     232.0          16.9               13.2 +/-    1.66      31.3 +/-    1.66  0.040 / 0.060
G31     179.8          26.8                9.9 +/-    1.82      18.5 +/-    1.82  0.070 / 0.110
G32     320.8          74.9                9.4 +/-    0.92       9.7 +/-    0.92  0.040 / 0.110