PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-01:27:50
G08     308.4          19.8                9.7 +/-    2.32      21.6 +/-    2.32  0.060 / 0.090
G10     333.2          60.2                6.9 +/-    0.84       7.8 +/-    0.84  0.060 / 0.070
G14     218.4          29.8               13.2 +/-    3.27      23.2 +/-    3.27  0.090 / 0.220
G15     46.9           13.0                5.9 +/-    0.91      15.3 +/-    0.91  0.080 / 0.190
G20     332.6          61.5               10.5 +/-    1.14      11.8 +/-    1.14  0.030 / 0.030
G21     134.8          57.8               11.5 +/-    1.17      13.3 +/-    1.17  0.030 / 0.040
G24     71.8           29.3                8.8 +/-    1.13      15.6 +/-    1.13  0.050 / 0.110
G27     274.5          37.3               11.2 +/-    1.11      17.0 +/-    1.11  0.060 / 0.100
G32     223.7          54.7               11.7 +/-    1.76      13.9 +/-    1.76  0.130 / 0.260