PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/04-16:57:30
G02     6.0            71.4               -4.8 +/-   10.16      -5.1 +/-   10.16  0.050 / 0.060
G05     158.9          45.4                2.5 +/-    9.99       3.3 +/-    9.99  0.030 / 0.050
G06     46.4           26.9               -0.3 +/-   10.38      -0.5 +/-   10.38  0.210 / 0.440
G12     226.9          81.2               -6.1 +/-    9.89      -6.1 +/-    9.89  0.230 / 0.500
G19     84.2           23.2                2.6 +/-    9.15       5.2 +/-    9.15  0.020 / 0.030
G24     217.6          13.5                6.5 +/-   10.12      16.8 +/-   10.12  0.030 / 0.030
G25     312.8          41.3               -1.8 +/-   10.61      -2.5 +/-   10.61  0.050 / 0.090
G29     294.5          15.0                3.2 +/-   10.04       7.9 +/-   10.04  0.060 / 0.110