PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/17-00:27:50
G10     274.0          41.4               10.8 +/-    0.74      15.3 +/-    0.74  0.370 / 0.350
G13     39.9           14.6                9.0 +/-    1.81      22.7 +/-    1.81  0.170 / 0.350
G15     54.2           45.1                8.6 +/-    0.88      11.5 +/-    0.88  0.050 / 0.060
G18     313.8          65.7               10.1 +/-    1.04      11.0 +/-    1.04  0.040 / 0.050
G20     59.6           28.8                8.5 +/-    1.77      15.3 +/-    1.77  0.030 / 0.030
G21     23.9           75.6               10.9 +/-    0.46      11.2 +/-    0.46  0.030 / 0.030
G24     115.9          17.7               13.0 +/-    1.27      30.2 +/-    1.27  0.150 / 0.210
G27     314.0          25.2                8.0 +/-    2.22      15.6 +/-    2.22  0.130 / 0.170
G29     167.5          21.8               11.6 +/-    1.56      24.5 +/-    1.56  0.110 / 0.150
G32     206.0          14.0               15.2 +/-    2.69      38.7 +/-    2.69  0.080 / 0.160