PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-04:27:50
G01     227.2          18.0                4.0 +/-    1.89       9.1 +/-    1.89  0.080 / 0.130
G03     293.6          64.8                2.4 +/-    0.54       2.7 +/-    0.54  0.040 / 0.110
G14     86.2           23.7                2.6 +/-    0.94       5.2 +/-    0.94  0.150 / 0.200
G16     152.3          42.0                5.6 +/-    0.69       7.8 +/-    0.69  0.140 / 0.210
G22     222.5          72.2                2.8 +/-    0.67       2.9 +/-    0.67  0.030 / 0.030
G23     305.3          34.7                2.7 +/-    1.46       4.3 +/-    1.46  0.030 / 0.030
G26     107.0          54.7               11.0 +/-    0.74      13.2 +/-    0.74  0.040 / 0.070
G31     43.6           36.2                1.3 +/-    1.28       2.0 +/-    1.28  0.050 / 0.070
G32     97.3           9.5                 4.4 +/-    2.82      12.4 +/-    2.82  0.040 / 0.080