PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-07:42:30
G08     317.8          13.1                3.0 +/-    2.17       7.9 +/-    2.17  0.130 / 0.510
G10     317.8          57.3                4.3 +/-    0.80       5.0 +/-    0.80  0.120 / 0.330
G14     215.1          19.7                6.5 +/-    1.83      14.4 +/-    1.83  0.090 / 0.080
G15     45.8           16.6                2.4 +/-    0.66       5.7 +/-    0.66  0.090 / 0.090
G20     61.2           43.9                3.5 +/-    0.69       4.8 +/-    0.69  0.040 / 0.080
G21     125.0          64.3                5.4 +/-    0.77       5.9 +/-    0.77  0.050 / 0.080
G24     82.7           29.8                5.9 +/-    0.85      10.3 +/-    0.85  0.060 / 0.130
G27     284.2          37.8                5.7 +/-    0.66       8.6 +/-    0.66  0.060 / 0.100
G32     217.4          46.6                8.5 +/-    0.77      11.2 +/-    0.77  0.030 / 0.030