PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-20:58:10
G05     52.0           10.8                7.3 +/-    2.17      20.0 +/-    2.17  0.100 / 0.160
G10     241.9          19.0               12.1 +/-    1.71      27.2 +/-    1.71  0.100 / 0.130
G13     64.8           34.5                7.4 +/-    1.70      11.8 +/-    1.70  0.080 / 0.310
G15     117.0          57.0                9.9 +/-    0.64      11.5 +/-    0.64  0.120 / 0.390
G16     304.6          15.7                7.5 +/-    1.45      18.3 +/-    1.45  0.030 / 0.050
G20     244.6          4.3                11.9 +/-    1.41      36.5 +/-    1.41  0.040 / 0.050
G21     320.3          51.7                9.9 +/-    0.85      12.2 +/-    0.85  0.080 / 0.130
G26     276.9          19.4                9.7 +/-    0.80      21.6 +/-    0.80  0.080 / 0.100
G29     161.4          64.0                9.2 +/-    0.33      10.1 +/-    0.33  0.030 / 0.040