PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/15-03:27:50
G01     313.0          28.0                5.0 +/-    2.44       9.1 +/-    2.44  0.080 / 0.220
G10     97.5           45.1                6.8 +/-    1.19       9.2 +/-    1.19  0.140 / 0.210
G11     289.4          27.7                5.1 +/-    2.72       9.4 +/-    2.72  0.100 / 0.110
G14     333.3          70.0                5.4 +/-    0.65       5.7 +/-    0.65  0.120 / 0.120
G18     289.1          47.9                6.5 +/-   12.12       8.4 +/-   12.12  0.040 / 0.040
G20     105.0          50.1               19.9 +/-    1.23      25.1 +/-    1.23  0.040 / 0.040
G22     306.6          19.2                3.3 +/-    2.12       7.5 +/-    2.12  0.050 / 0.160
G25     88.9           13.8                5.4 +/-    3.45      13.9 +/-    3.45  0.060 / 0.150
G31     168.5          58.2                7.6 +/-    0.43       8.8 +/-    0.43  0.140 / 0.320
G32     29.8           56.6                4.7 +/-    1.15       5.5 +/-    1.15  0.280 / 0.310