PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-15:57:30
G02     27.5           59.4                6.4 +/-    0.88       7.3 +/-    0.88  0.060 / 0.060
G05     148.4          59.5                7.7 +/-    0.58       8.8 +/-    0.58  0.080 / 0.050
G06     53.2           16.1                6.2 +/-    2.58      15.1 +/-    2.58  0.020 / 0.020
G12     194.7          67.7                6.1 +/-    0.46       6.5 +/-    0.46  0.030 / 0.020
G19     97.3           14.1                6.8 +/-    3.10      17.4 +/-    3.10  0.030 / 0.030
G25     296.3          54.8                7.0 +/-    3.15       8.4 +/-    3.15  0.040 / 0.030
G29     306.0          26.3                6.1 +/-    1.29      11.6 +/-    1.29  0.180 / 0.180