PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-21:42:30
G05     51.1           12.4                6.5 +/-    2.17      17.2 +/-    2.17  0.100 / 0.130
G10     240.3          17.3               11.3 +/-    1.70      26.5 +/-    1.70  0.110 / 0.160
G13     67.6           35.2                8.7 +/-    1.03      13.7 +/-    1.03  0.060 / 0.060
G15     120.3          55.8                8.4 +/-    0.66       9.9 +/-    0.66  0.050 / 0.050
G16     306.9          15.2                6.0 +/-    1.92      15.0 +/-    1.92  0.100 / 0.370
G20     244.4          8.6                 3.9 +/-    2.59      11.1 +/-    2.59  0.080 / 0.300
G21     318.2          50.2                7.6 +/-    0.59       9.5 +/-    0.59  0.080 / 0.090
G26     279.2          19.9                8.1 +/-    2.42      17.7 +/-    2.42  0.050 / 0.120
G29     160.3          66.6                8.0 +/-    0.39       8.6 +/-    0.39  0.030 / 0.030