PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-01:27:50
G10     245.8          22.5               12.9 +/-    1.05      26.7 +/-    1.05  0.110 / 0.510
G13     59.4           32.8                9.6 +/-    0.79      15.9 +/-    0.79  0.130 / 0.710
G15     101.9          58.2               10.6 +/-    0.42      12.2 +/-    0.42  0.060 / 0.050
G16     300.3          15.8                7.6 +/-    2.17      18.5 +/-    2.17  0.060 / 0.060
G20     258.7          40.5               12.8 +/-    0.62      18.5 +/-    0.62  0.100 / 0.210
G21     325.9          55.5                8.9 +/-    0.75      10.5 +/-    0.75  0.120 / 0.220
G26     272.0          17.9               10.0 +/-    1.15      23.2 +/-    1.15  0.060 / 0.120
G29     163.5          57.7               10.7 +/-    0.94      12.5 +/-    0.94  0.050 / 0.110