PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-16:13:10
G02     350.1          75.5                8.1 +/-    0.46       8.3 +/-    0.46  0.050 / 0.090
G05     163.4          39.3               10.6 +/-    1.20      15.6 +/-    1.20  0.050 / 0.080
G06     44.1           32.4                5.9 +/-    0.69       9.9 +/-    0.69  0.050 / 0.100
G12     278.5          80.8                7.9 +/-    0.52       8.0 +/-    0.52  0.050 / 0.110
G19     79.4           26.7                7.7 +/-    0.74      14.5 +/-    0.74  0.030 / 0.040
G24     220.6          16.8                9.2 +/-    3.21      21.9 +/-    3.21  0.030 / 0.040
G25     314.8          37.7                6.4 +/-    2.03       9.6 +/-    2.03  0.080 / 0.080
G29     291.2          12.5                9.8 +/-    1.67      25.8 +/-    1.67  0.060 / 0.080