PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/13-03:28:10
G08     280.7          21.1                9.3 +/-    0.98      20.0 +/-    0.98  0.100 / 0.130
G10     43.0           60.7                7.7 +/-    1.13       8.7 +/-    1.13  0.110 / 0.150
G14     246.2          58.7                8.8 +/-    1.17      10.1 +/-    1.17  0.030 / 0.020
G18     316.4          23.7                6.9 +/-    1.39      13.9 +/-    1.39  0.030 / 0.030
G20     84.3           43.7                9.6 +/-    1.54      13.2 +/-    1.54  0.080 / 0.170
G21     152.9          26.2                7.5 +/-    1.38      14.2 +/-    1.38  0.080 / 0.190
G24     45.1           17.4                6.2 +/-    3.94      14.6 +/-    3.94  0.060 / 0.050
G27     240.7          23.3               10.5 +/-    2.29      21.3 +/-    2.29  0.060 / 0.070
G31     179.5          20.9                8.7 +/-    1.71      18.7 +/-    1.71  0.110 / 0.160
G32     288.5          75.4                7.1 +/-    0.41       7.3 +/-    0.41  0.120 / 0.150