PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/30-21:12:50
G08     320.5          11.4                2.7 +/-   27.56       7.3 +/-   27.56  0.090 / 0.100
G10     303.6          53.9                9.6 +/-    1.25      11.6 +/-    1.25  0.070 / 0.080
G14     211.3          14.9               13.6 +/-    2.43      34.0 +/-    2.43  0.160 / 0.560
G15     46.2           29.0                7.9 +/-    1.10      14.2 +/-    1.10  0.220 / 0.480
G20     1.9            65.0               10.0 +/-    0.92      10.9 +/-    0.92  0.030 / 0.050
G21     108.0          71.2               10.9 +/-    0.71      11.4 +/-    0.71  0.040 / 0.050
G24     90.1           27.4               10.7 +/-    1.45      19.9 +/-    1.45  0.090 / 0.140
G27     297.3          35.0               10.7 +/-    0.95      16.9 +/-    0.95  0.090 / 0.140
G32     212.1          36.8               12.3 +/-    0.89      18.9 +/-    0.89  0.120 / 0.460