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                6.0 +/-    2.55      11.0 +/-    2.55  0.090 / 0.240
G10     97.5           45.1                7.4 +/-    0.50       9.9 +/-    0.50  0.090 / 0.210
G11     289.4          27.7                4.4 +/-    1.43       8.0 +/-    1.43  0.090 / 0.180
G14     333.3          70.0                6.6 +/-    0.63       6.9 +/-    0.63  0.080 / 0.150
G18     289.1          47.9                6.1 +/-    1.00       7.8 +/-    1.00  0.050 / 0.060
G20     105.0          50.1               11.2 +/-    1.03      14.1 +/-    1.03  0.050 / 0.050
G22     306.6          19.2                6.8 +/-    1.94      15.3 +/-    1.94  0.150 / 0.240
G25     88.9           13.8                5.5 +/-    1.45      14.2 +/-    1.45  0.240 / 0.240
G31     168.5          58.2                8.3 +/-    0.66       9.6 +/-    0.66  0.060 / 0.180
G32     29.8           56.6                4.1 +/-    0.90       4.9 +/-    0.90  0.060 / 0.180