PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/11-00:27:40
G10     294.0          50.7               10.5 +/-    2.49      13.1 +/-    2.49  0.060 / 0.080
G15     47.1           33.4                8.1 +/-    1.15      13.3 +/-    1.15  0.060 / 0.070
G20     294.9          48.6               20.3 +/-    0.48      26.1 +/-    0.48  0.050 / 0.030
G21     84.7           76.3               10.0 +/-    0.37      10.3 +/-    0.37  0.060 / 0.030
G24     98.4           25.4               11.3 +/-    1.10      21.8 +/-    1.10  0.090 / 0.110
G27     303.2          33.0                9.0 +/-    1.77      14.8 +/-    1.77  0.070 / 0.130
G29     168.7          10.7               14.1 +/-    1.90      38.8 +/-    1.90  0.080 / 0.060
G32     209.2          31.4               14.2 +/-    1.03      24.1 +/-    1.03  0.080 / 0.090