PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-06:13:10
G10     273.8          41.8                7.6 +/-    1.32      10.7 +/-    1.32  0.100 / 0.090
G13     39.6           13.8                5.0 +/-    3.48      12.8 +/-    3.48  0.140 / 0.130
G15     53.5           43.7                6.6 +/-    0.62       9.1 +/-    0.62  0.040 / 0.040
G20     13.3           64.7                6.3 +/-    0.84       6.8 +/-    0.84  0.040 / 0.040
G21     19.8           75.2                7.1 +/-    1.11       7.4 +/-    1.11  0.030 / 0.040
G24     115.0          17.7                6.9 +/-    1.36      16.0 +/-    1.36  0.040 / 0.040
G27     315.2          23.9                5.5 +/-    1.27      11.1 +/-    1.27  0.100 / 0.140
G29     168.7          25.2                5.7 +/-    1.09      11.0 +/-    1.09  0.130 / 0.180
G32     204.9          16.3                7.1 +/-    2.17      17.0 +/-    2.17  0.110 / 0.120