PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/22-21:58:10
G08     316.8          14.8                5.0 +/-    1.60      12.4 +/-    1.60  0.030 / 0.040
G10     313.3          56.4                6.7 +/-    1.88       7.9 +/-    1.88  0.030 / 0.040
G14     213.3          20.3               13.9 +/-    3.14      30.4 +/-    3.14  0.280 / 0.340
G15     45.9           24.1                7.4 +/-    2.49      14.8 +/-    2.49  0.120 / 0.370
G20     15.7           63.9                7.7 +/-    0.79       8.5 +/-    0.79  0.050 / 0.080
G21     120.3          66.6                9.7 +/-    0.47      10.5 +/-    0.47  0.080 / 0.070
G24     83.5           28.6                8.7 +/-    1.79      15.7 +/-    1.79  0.080 / 0.110
G27     290.0          36.7                6.5 +/-    2.14      10.0 +/-    2.14  0.120 / 0.120
G32     215.3          42.9               11.6 +/-    1.21      16.2 +/-    1.21  0.230 / 0.300