PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-05:12:40
G08     314.8          15.6                6.6 +/-    4.45      16.1 +/-    4.45  0.060 / 0.070
G10     322.4          58.3                5.8 +/-    0.81       6.7 +/-    0.81  0.060 / 0.070
G14     216.1          22.5               10.2 +/-    2.14      21.1 +/-    2.14  0.050 / 0.050
G15     46.1           15.6                3.6 +/-    1.17       8.8 +/-    1.17  0.050 / 0.050
G20     38.2           59.3                6.5 +/-    0.46       7.4 +/-    0.46  0.110 / 0.260
G21     128.4          62.6                9.0 +/-    0.50      10.0 +/-    0.50  0.100 / 0.300
G24     79.2           29.8                6.3 +/-    0.57      11.1 +/-    0.57  0.040 / 0.030
G27     281.3          37.7                8.2 +/-    0.73      12.5 +/-    0.73  0.040 / 0.040
G32     219.1          49.3               10.6 +/-    0.89      13.4 +/-    0.89  0.160 / 0.470