PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-02:43:00
G08     262.8          16.8                8.8 +/-    1.51      21.0 +/-    1.51  0.140 / 0.320
G10     67.5           56.8                7.0 +/-    0.95       8.2 +/-    0.95  0.170 / 0.400
G11     308.6          19.8                5.6 +/-    0.94      12.4 +/-    0.94  0.120 / 0.260
G14     272.8          67.0                7.6 +/-    0.71       8.2 +/-    0.71  0.220 / 0.330
G18     310.4          34.7                5.2 +/-    1.52       8.3 +/-    1.52  0.040 / 0.040
G20     71.8           62.9               24.0 +/-    0.66      26.6 +/-    0.66  0.040 / 0.050
G21     155.5          13.2                6.0 +/-    1.68      15.6 +/-    1.68  0.110 / 0.190
G27     229.5          13.7                9.2 +/-    1.24      23.7 +/-    1.24  0.090 / 0.300
G31     175.9          35.7                7.3 +/-    1.22      11.4 +/-    1.22  0.170 / 0.190
G32     355.8          71.6                6.5 +/-    0.36       6.8 +/-    0.36  0.140 / 0.220