PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-10:42:50
G08     284.5          23.2                8.7 +/-    0.80      17.7 +/-    0.80  0.080 / 0.140
G10     26.4           62.4                3.7 +/-    1.41       4.2 +/-    1.41  0.080 / 0.130
G14     237.3          54.0                9.3 +/-    2.73      11.2 +/-    2.73  0.040 / 0.030
G18     317.3          18.7                4.5 +/-    1.79      10.1 +/-    1.79  0.030 / 0.020
G20     75.8           47.7                6.3 +/-    0.54       8.2 +/-    0.54  0.040 / 0.030
G21     149.4          30.1                5.2 +/-    1.52       9.1 +/-    1.52  0.030 / 0.030
G24     48.7           20.4                4.0 +/-    3.22       8.7 +/-    3.22  0.120 / 0.080
G27     248.8          27.9                9.3 +/-    1.83      17.0 +/-    1.83  0.090 / 0.110
G31     183.2          11.7                0.1 +/-   10.55       0.2 +/-   10.55  0.130 / 0.090
G32     257.0          68.8                7.5 +/-    0.30       7.9 +/-    0.30  0.110 / 0.120