PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-23:27:50
G10     280.1          45.1               10.3 +/-    1.17      13.8 +/-    1.17  0.080 / 0.140
G15     51.7           43.0                6.8 +/-    0.40       9.4 +/-    0.40  0.080 / 0.150
G20     279.2          37.8                4.7 +/-    0.67       7.2 +/-    0.67  0.050 / 0.030
G21     36.1           77.1                8.9 +/-    0.52       9.1 +/-    0.52  0.040 / 0.040
G24     108.7          20.6               11.2 +/-    0.55      24.3 +/-    0.55  0.110 / 0.150
G27     312.3          26.8                8.0 +/-    1.48      14.9 +/-    1.48  0.100 / 0.160
G29     169.0          20.8               11.9 +/-    1.55      25.7 +/-    1.55  0.030 / 0.070
G32     205.9          21.2               10.0 +/-    1.43      21.4 +/-    1.43  0.040 / 0.070