PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/17-01:12:40
G08     300.6          22.4                7.2 +/-    0.72      15.0 +/-    0.72  0.090 / 0.080
G10     349.5          62.1                6.8 +/-    0.36       7.6 +/-    0.36  0.060 / 0.100
G14     223.2          37.5                9.2 +/-    2.42      13.9 +/-    2.42  0.060 / 0.060
G20     338.6          62.5                8.8 +/-    0.86       9.7 +/-    0.86  0.040 / 0.050
G21     141.6          50.0                8.7 +/-    0.49      10.9 +/-    0.49  0.060 / 0.120
G24     62.9           27.6                6.0 +/-    1.43      11.0 +/-    1.43  0.120 / 0.110
G27     264.4          35.3                9.1 +/-    1.74      14.3 +/-    1.74  0.050 / 0.090
G32     232.8          62.4                7.9 +/-    1.45       8.8 +/-    1.45  0.090 / 0.100