PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/25-15:12:40
G02     341.0          77.3                6.3 +/-    0.60       6.4 +/-    0.60  0.070 / 0.120
G05     165.7          35.3               10.2 +/-    1.36      16.2 +/-    1.36  0.060 / 0.130
G06     42.9           35.7                5.0 +/-    0.83       7.8 +/-    0.83  0.030 / 0.030
G12     298.6          77.8                6.0 +/-    0.62       6.1 +/-    0.62  0.040 / 0.030
G19     76.2           28.5                7.0 +/-    0.39      12.6 +/-    0.39  0.050 / 0.060
G24     222.8          19.1                7.6 +/-    1.24      17.0 +/-    1.24  0.050 / 0.080
G25     315.9          34.9                6.1 +/-    1.51       9.8 +/-    1.51  0.120 / 0.230
G29     288.7          10.6               -4.8 +/-   22.81     -13.3 +/-   22.81  0.120 / 0.290