PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-02:28:00
G08     274.5          21.4                9.4 +/-    1.48      19.9 +/-    1.48  0.030 / 0.040
G10     41.3           61.9                7.0 +/-    0.52       7.9 +/-    0.52  0.030 / 0.030
G11     315.5          13.0                6.7 +/-    2.75      17.5 +/-    2.75  0.110 / 0.340
G14     251.2          61.8                7.9 +/-    0.79       8.8 +/-    0.79  0.080 / 0.260
G18     82.0           42.7                7.9 +/-    0.40      11.0 +/-    0.40  0.060 / 0.140
G21     152.1          23.5                9.1 +/-    1.66      18.4 +/-    1.66  0.090 / 0.150
G24     44.8           17.7                6.7 +/-    0.81      15.5 +/-    0.81  0.040 / 0.060
G27     237.4          21.5               12.7 +/-    2.55      26.9 +/-    2.55  0.040 / 0.060
G31     180.8          20.4               11.3 +/-    1.66      24.7 +/-    1.66  0.100 / 0.160
G32     293.8          75.1                9.2 +/-    0.73       9.5 +/-    0.73  0.080 / 0.170