PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-05:58:00
G08     263.8          16.1                7.4 +/-    2.51      18.0 +/-    2.51  0.110 / 0.360
G10     69.5           56.4                3.0 +/-    1.50       3.5 +/-    1.50  0.140 / 0.290
G11     308.4          19.7                5.4 +/-    2.59      11.9 +/-    2.59  0.200 / 0.370
G14     272.8          66.0                4.1 +/-    0.38       4.4 +/-    0.38  0.180 / 0.480
G18     309.8          35.2                3.3 +/-    1.43       5.2 +/-    1.43  0.040 / 0.070
G20     97.7           37.6                4.8 +/-    0.73       7.2 +/-    0.73  0.050 / 0.050
G21     155.6          11.7                5.3 +/-    1.53      14.2 +/-    1.53  0.120 / 0.320
G27     228.4          12.8                5.6 +/-   14.35      14.8 +/-   14.35  0.110 / 0.310
G31     175.6          37.1                7.6 +/-    1.19      11.6 +/-    1.19  0.180 / 0.390
G32     358.8          70.8                4.2 +/-    0.79       4.4 +/-    0.79  0.160 / 0.400