PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-00:13:10
G01     317.4          21.9                4.5 +/-    2.41       9.4 +/-    2.41  0.160 / 0.280
G08     251.8          10.7                8.0 +/-    2.29      22.0 +/-    2.29  0.200 / 0.320
G10     87.1           50.0                8.8 +/-    0.48      11.1 +/-    0.48  0.040 / 0.050
G11     297.7          25.6                7.7 +/-    1.39      14.9 +/-    1.39  0.040 / 0.040
G14     310.7          71.0                7.5 +/-    1.19       7.9 +/-    1.19  0.120 / 0.220
G18     298.7          44.6                7.3 +/-    1.75       9.9 +/-    1.75  0.100 / 0.220
G20     109.3          25.7               11.1 +/-    1.10      21.3 +/-    1.10  0.080 / 0.170
G22     303.0          13.1                7.2 +/-    2.98      18.7 +/-    2.98  0.080 / 0.190
G31     174.4          47.6                8.5 +/-    1.05      11.0 +/-    1.05  0.140 / 0.450
G32     17.8           63.3                6.3 +/-    0.63       7.0 +/-    0.63  0.140 / 0.500