PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/01-03:28:10
G10     242.4          19.1               14.7 +/-    2.29      33.0 +/-    2.29  0.130 / 0.560
G13     64.5           34.7                9.4 +/-    0.55      15.0 +/-    0.55  0.130 / 0.550
G15     108.7          56.8               12.0 +/-    0.62      14.0 +/-    0.62  0.040 / 0.070
G16     304.9          15.2                9.0 +/-    1.78      22.2 +/-    1.78  0.040 / 0.070
G20     264.4          55.0               14.1 +/-    1.01      16.8 +/-    1.01  0.050 / 0.120
G21     321.5          52.6               12.9 +/-    1.70      15.8 +/-    1.70  0.050 / 0.130
G26     276.5          19.2               11.4 +/-    1.62      25.6 +/-    1.62  0.030 / 0.040
G29     161.7          62.6               13.3 +/-    1.13      14.7 +/-    1.13  0.030 / 0.050