PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-12:12:30
G02     34.1           54.3                5.1 +/-    0.97       6.2 +/-    0.97  0.030 / 0.030
G05     140.9          63.2                7.1 +/-    0.38       7.9 +/-    0.38  0.030 / 0.030
G06     54.7           14.7                2.3 +/-    3.49       5.9 +/-    3.49  0.030 / 0.030
G12     195.9          65.5                6.0 +/-    0.58       6.5 +/-    0.58  0.040 / 0.040
G19     100.8          10.5                5.5 +/-    2.51      15.1 +/-    2.51  0.020 / 0.030
G25     286.5          58.9                8.9 +/-    2.59      10.2 +/-    2.59  0.020 / 0.020
G29     309.3          30.3                4.9 +/-    2.05       8.5 +/-    2.05  0.050 / 0.080