PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-12:43:10
G02     27.5           59.6                2.7 +/-    0.34       3.1 +/-    0.34  0.040 / 0.050
G05     150.9          57.2                4.4 +/-    0.47       5.1 +/-    0.47  0.040 / 0.050
G06     51.4           19.1               -0.3 +/-    1.45      -0.6 +/-    1.45  0.020 / 0.030
G12     203.5          71.9                3.2 +/-    0.96       3.3 +/-    0.96  0.030 / 0.040
G19     95.7           14.6                3.0 +/-    1.88       7.4 +/-    1.88  0.080 / 0.160
G25     297.9          55.0                3.5 +/-    1.76       4.2 +/-    1.76  0.080 / 0.150
G29     304.7          25.5                3.8 +/-    1.98       7.3 +/-    1.98  0.030 / 0.060