PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-00:28:00
G10     256.9          30.7               12.0 +/-    3.02      20.7 +/-    3.02  0.190 / 0.370
G13     48.5           26.9                9.5 +/-    2.39      17.8 +/-    2.39  0.210 / 0.420
G15     75.7           56.4               12.2 +/-    0.35      14.4 +/-    0.35  0.050 / 0.070
G16     290.4          13.9                9.1 +/-    1.76      23.3 +/-    1.76  0.090 / 0.070
G18     279.5          59.2               11.5 +/-    0.80      13.2 +/-    0.80  0.060 / 0.050
G20     48.4           41.3                9.4 +/-    0.53      13.4 +/-    0.53  0.050 / 0.050
G21     343.4          65.4                9.2 +/-    0.91      10.0 +/-    0.91  0.090 / 0.110
G26     263.1          12.5               11.9 +/-    1.86      31.4 +/-    1.86  0.110 / 0.140
G27     321.4          12.4                8.0 +/-    1.47      21.1 +/-    1.47  0.160 / 0.310
G29     165.7          39.5               12.7 +/-    0.71      18.6 +/-    0.71  0.160 / 0.210