PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/09-19:43:00
G10     246.5          22.3               15.1 +/-    2.81      31.4 +/-    2.81  0.130 / 0.350
G13     59.7           33.8               12.1 +/-    0.64      19.6 +/-    0.64  0.160 / 0.410
G15     96.2           57.5               14.5 +/-    0.53      16.9 +/-    0.53  0.110 / 0.160
G16     304.9          13.4               11.7 +/-    2.35      30.4 +/-    2.35  0.110 / 0.190
G18     262.5          53.3               14.4 +/-    0.79      17.4 +/-    0.79  0.110 / 0.380
G20     38.9           53.2               12.8 +/-    0.59      15.5 +/-    0.59  0.100 / 0.300
G21     330.3          58.4               12.2 +/-    0.50      14.1 +/-    0.50  0.050 / 0.050
G26     277.4          16.7               13.3 +/-    1.94      31.7 +/-    1.94  0.050 / 0.060
G29     160.7          50.2               13.8 +/-    1.17      17.4 +/-    1.17  0.050 / 0.050