PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-08:43:10
G02     201.3          23.0                4.1 +/-    1.84       8.4 +/-    1.84  0.090 / 0.360
G06     169.6          57.4                8.9 +/-    0.92      10.3 +/-    0.92  0.090 / 0.350
G13     224.2          10.8                4.8 +/-    3.82      13.2 +/-    3.82  0.080 / 0.110
G17     28.8           54.9                5.5 +/-    0.52       6.6 +/-    0.52  0.080 / 0.110
G19     324.5          70.1                6.2 +/-    0.44       6.6 +/-    0.44  0.120 / 0.330
G24     304.6          35.5                5.3 +/-    1.79       8.3 +/-    1.79  0.160 / 0.430
G28     90.7           39.1                8.4 +/-    0.45      12.3 +/-    0.45  0.020 / 0.030
G30     158.0          12.7                6.9 +/-    4.52      18.1 +/-    4.52  0.030 / 0.040