PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/28-02:27:40
G08     270.7          20.2                6.8 +/-    1.91      15.0 +/-    1.91  0.080 / 0.310
G10     49.2           61.0                5.9 +/-    0.63       6.6 +/-    0.63  0.120 / 0.330
G11     313.5          15.5                6.8 +/-    1.69      16.6 +/-    1.69  0.090 / 0.270
G14     258.1          64.4                6.0 +/-    1.14       6.6 +/-    1.14  0.090 / 0.250
G18     86.0           40.4                5.6 +/-    0.76       8.0 +/-    0.76  0.020 / 0.030
G21     153.1          19.8                8.5 +/-    1.91      18.7 +/-    1.91  0.030 / 0.030
G24     42.7           15.2                4.8 +/-    1.12      11.9 +/-    1.12  0.040 / 0.060
G27     234.4          19.0               11.2 +/-    1.38      25.4 +/-    1.38  0.040 / 0.070
G31     180.1          24.0                9.2 +/-    2.59      18.3 +/-    2.59  0.090 / 0.240
G32     309.4          75.4                7.2 +/-    0.58       7.4 +/-    0.58  0.110 / 0.300