PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/07-20:57:50
G08     316.5          15.1               12.7 +/-    2.15      31.6 +/-    2.15  0.040 / 0.040
G10     313.7          56.5               16.7 +/-    1.55      19.6 +/-    1.55  0.040 / 0.030
G14     213.3          20.7               26.6 +/-    2.58      57.5 +/-    2.58  0.070 / 0.130
G15     45.8           23.2               14.4 +/-    1.89      29.3 +/-    1.89  0.070 / 0.130
G20     16.2           63.8               16.4 +/-    0.41      18.0 +/-    0.41  0.270 / 0.210
G21     120.8          66.1               20.9 +/-    0.52      22.7 +/-    0.52  0.120 / 0.200
G24     82.9           28.5               17.8 +/-    1.05      32.1 +/-    1.05  0.130 / 0.390
G32     215.4          42.8               24.4 +/-    1.43      33.9 +/-    1.43  0.280 / 0.210