PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-07:57:40
G08     268.1          17.3                8.8 +/-    2.22      20.8 +/-    2.22  0.040 / 0.060
G10     63.9           57.8                4.6 +/-    0.37       5.3 +/-    0.37  0.040 / 0.070
G11     311.1          17.4                3.3 +/-    7.12       7.8 +/-    7.12  0.160 / 0.490
G14     264.4          63.2                6.3 +/-    0.81       7.0 +/-    0.81  0.140 / 0.410
G18     311.9          32.3                5.5 +/-    2.44       9.2 +/-    2.44  0.200 / 0.300
G20     101.9          23.3                3.5 +/-    1.27       7.0 +/-    1.27  0.200 / 0.260
G21     155.1          14.3                6.5 +/-    1.71      16.5 +/-    1.71  0.030 / 0.030
G27     230.4          14.7                8.3 +/-    1.25      20.8 +/-    1.25  0.050 / 0.030
G31     176.3          33.8                6.8 +/-    1.15      11.0 +/-    1.15  0.140 / 0.280
G32     350.5          72.8                6.1 +/-    0.68       6.4 +/-    0.68  0.160 / 0.280