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 +/-    0.64       6.1 +/-    0.64  0.040 / 0.050
G05     140.9          63.2                8.4 +/-    0.83       9.3 +/-    0.83  0.030 / 0.050
G06     54.7           14.7                2.4 +/-    1.82       6.0 +/-    1.82  0.040 / 0.040
G12     195.9          65.5                5.1 +/-    1.12       5.6 +/-    1.12  0.030 / 0.040
G19     100.8          10.5                3.8 +/-    1.80      10.5 +/-    1.80  0.050 / 0.100
G25     286.5          58.9                6.3 +/-    1.12       7.2 +/-    1.12  0.050 / 0.090
G29     309.3          30.3                4.6 +/-    1.82       8.0 +/-    1.82  0.040 / 0.040