PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/13-22:27:30
G08     319.2          12.6                8.2 +/-    5.29      21.5 +/-    5.29  0.070 / 0.090
G10     307.4          54.9                7.6 +/-    0.97       9.0 +/-    0.97  0.070 / 0.080
G14     212.1          16.8               13.5 +/-    3.11      32.2 +/-    3.11  0.170 / 0.360
G15     46.0           27.8                6.8 +/-    2.00      12.5 +/-    2.00  0.090 / 0.230
G20     7.6            64.7                9.5 +/-    0.70      10.4 +/-    0.70  0.100 / 0.120
G21     113.3          69.8               11.0 +/-    0.94      11.6 +/-    0.94  0.100 / 0.110
G24     87.8           28.0               10.1 +/-    1.85      18.4 +/-    1.85  0.030 / 0.030
G27     294.2          35.9               10.6 +/-    1.90      16.6 +/-    1.90  0.030 / 0.030
G32     213.3          39.5               12.0 +/-    1.12      17.6 +/-    1.12  0.090 / 0.180