PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-00:27:50
G10     267.9          38.0               12.8 +/-    2.35      19.3 +/-    2.35  0.200 / 0.300
G13     42.0           18.9                7.5 +/-    0.94      16.9 +/-    0.94  0.140 / 0.260
G15     59.4           49.5                9.2 +/-    0.65      11.7 +/-    0.65  0.070 / 0.060
G16     280.1          11.1               11.3 +/-    1.86      30.9 +/-    1.86  0.070 / 0.060
G18     301.2          64.2                8.7 +/-    0.84       9.5 +/-    0.84  0.040 / 0.040
G20     55.9           32.8                7.5 +/-    0.59      12.4 +/-    0.59  0.040 / 0.040
G21     6.1            72.7               11.3 +/-    0.47      11.8 +/-    0.47  0.060 / 0.120
G24     120.6          14.5               12.0 +/-    2.14      30.3 +/-    2.14  0.040 / 0.130
G27     317.2          21.1                6.6 +/-    5.23      14.1 +/-    5.23  0.080 / 0.190
G29     167.2          27.6               11.7 +/-    1.53      21.6 +/-    1.53  0.090 / 0.190