PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-13:58:00
G03     196.0          40.5                8.1 +/-    1.05      11.7 +/-    1.05  0.080 / 0.070
G07     272.2          30.3                6.6 +/-    1.71      11.5 +/-    1.71  0.060 / 0.090
G08     155.5          9.9               -16.8 +/-   16.72     -46.9 +/-   16.72  0.100 / 0.120
G09     316.4          39.7                6.1 +/-    0.66       8.9 +/-    0.66  0.080 / 0.110
G16     65.0           60.9                6.6 +/-    0.97       7.4 +/-    0.97  0.080 / 0.160
G22     181.9          23.9                6.0 +/-    2.63      11.9 +/-    2.63  0.090 / 0.130
G23     350.7          73.9                6.9 +/-    1.11       7.1 +/-    1.11  0.040 / 0.030
G26     45.9           32.5                6.0 +/-    1.12      10.0 +/-    1.12  0.030 / 0.030
G27     124.0          20.2                8.4 +/-    1.54      18.4 +/-    1.54  0.080 / 0.160