PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-03:13:10
G01     304.4          34.9                0.5 +/-   34.44       0.8 +/-   34.44  0.060 / 0.100
G10     108.5          39.0                0.2 +/-   34.44       0.3 +/-   34.44  0.060 / 0.150
G11     276.8          29.4                1.8 +/-   35.36       3.3 +/-   35.36  0.070 / 0.330
G14     6.6            64.8               -6.3 +/-   36.47      -6.8 +/-   36.47  0.060 / 0.120
G18     118.8          12.9                4.1 +/-   34.63      10.6 +/-   34.63  0.040 / 0.290
G22     310.4          27.7                5.2 +/-    6.65       9.6 +/-    6.65  0.030 / 0.070
G25     75.9           16.7                2.3 +/-   33.62       5.4 +/-   33.62  0.090 / 0.500
G31     167.6          66.8                7.6 +/-    9.32       8.2 +/-    9.32  0.090 / 0.320
G32     36.4           52.4               -4.0 +/-   34.31      -4.9 +/-   34.31  0.050 / 0.390