PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-20:43:00
G02     343.3          78.2               14.6 +/-    0.36      14.9 +/-    0.36  0.080 / 0.080
G05     163.4          35.1               19.6 +/-    1.47      31.0 +/-    1.47  0.040 / 0.080
G06     42.4           37.4               13.3 +/-    1.16      20.2 +/-    1.16  0.120 / 0.130
G12     306.7          75.4               13.4 +/-    0.46      13.8 +/-    0.46  0.120 / 0.120
G17     87.0           11.1               14.0 +/-    1.26      38.0 +/-    1.26  0.030 / 0.030
G19     74.9           28.6               14.2 +/-    1.09      25.7 +/-    1.09  0.030 / 0.030
G24     226.3          21.5               19.2 +/-    1.55      40.8 +/-    1.55  0.050 / 0.050
G25     317.0          30.2               14.9 +/-    1.18      26.0 +/-    1.18  0.080 / 0.070
G29     286.6          8.5                17.0 +/-    1.80      48.8 +/-    1.80  0.060 / 0.110