PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-02:42:50
G01     317.5          21.0                6.1 +/-    3.12      13.2 +/-    3.12  0.110 / 0.340
G08     252.6          11.3                8.4 +/-    2.18      22.8 +/-    2.18  0.100 / 0.260
G10     84.3           52.1                7.8 +/-    0.27       9.6 +/-    0.27  0.160 / 0.290
G11     298.2          26.2                7.6 +/-    2.38      14.5 +/-    2.38  0.170 / 0.230
G14     314.0          71.6                6.4 +/-    0.57       6.7 +/-    0.57  0.030 / 0.030
G18     104.5          27.2                7.0 +/-    1.69      13.0 +/-    1.69  0.030 / 0.030
G22     302.1          12.9                8.3 +/-    2.00      21.7 +/-    2.00  0.050 / 0.060
G31     176.6          44.7                8.8 +/-    1.41      11.9 +/-    1.41  0.050 / 0.050
G32     9.1            66.2                6.0 +/-    0.60       6.5 +/-    0.60  0.040 / 0.060