PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-04:12:50
G08     286.3          22.2                7.5 +/-    1.58      15.7 +/-    1.58  0.060 / 0.110
G10     30.2           62.0                5.0 +/-    0.60       5.5 +/-    0.60  0.060 / 0.110
G14     238.4          54.0                7.9 +/-    0.53       9.5 +/-    0.53  0.120 / 0.130
G18     317.5          18.4                6.8 +/-    1.86      15.5 +/-    1.86  0.120 / 0.140
G20     77.1           47.3                5.6 +/-    0.66       7.3 +/-    0.66  0.030 / 0.030
G21     150.8          31.9                8.9 +/-    1.06      14.9 +/-    1.06  0.030 / 0.030
G24     49.0           21.0                3.9 +/-    1.73       8.4 +/-    1.73  0.070 / 0.070
G27     246.2          27.1                9.4 +/-    1.43      17.5 +/-    1.43  0.060 / 0.080
G31     181.1          15.0                9.8 +/-    2.45      24.3 +/-    2.45  0.140 / 0.210
G32     265.0          72.3                6.5 +/-    0.69       6.8 +/-    0.69  0.130 / 0.240