PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-04:58:00
G08     265.8          16.6                8.0 +/-    1.34      19.2 +/-    1.34  0.160 / 0.360
G10     69.7           55.3                4.5 +/-    0.54       5.3 +/-    0.54  0.170 / 0.460
G11     308.8          19.4                3.8 +/-    1.31       8.5 +/-    1.31  0.030 / 0.030
G14     275.5          68.4                5.8 +/-    0.54       6.2 +/-    0.54  0.040 / 0.030
G18     309.9          36.1                4.1 +/-    0.93       6.4 +/-    0.93  0.250 / 0.470
G20     99.3           34.1                5.6 +/-    1.18       9.1 +/-    1.18  0.190 / 0.410
G21     155.7          12.1                5.9 +/-    2.21      15.8 +/-    2.21  0.070 / 0.050
G27     229.5          13.8                7.7 +/-    3.18      19.8 +/-    3.18  0.070 / 0.040
G31     176.5          35.3                6.1 +/-    1.46       9.6 +/-    1.46  0.160 / 0.280
G32     344.4          72.9                4.8 +/-    0.62       5.0 +/-    0.62  0.240 / 0.310