PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-22:12:40
G08     320.0          11.9                7.8 +/-    4.48      20.9 +/-    4.48  0.030 / 0.040
G10     305.5          54.4                7.0 +/-    0.98       8.4 +/-    0.98  0.030 / 0.040
G14     211.7          15.7               12.6 +/-    2.79      30.7 +/-    2.79  0.240 / 0.420
G15     46.1           28.7                7.1 +/-    2.01      12.8 +/-    2.01  0.170 / 0.250
G20     4.7            64.9                8.6 +/-    0.80       9.4 +/-    0.80  0.090 / 0.080
G21     110.6          70.6               10.4 +/-    1.02      10.9 +/-    1.02  0.110 / 0.090
G24     89.1           27.7                9.8 +/-    1.46      17.9 +/-    1.46  0.090 / 0.120
G27     295.7          35.5                7.9 +/-    2.81      12.4 +/-    2.81  0.090 / 0.130
G32     212.7          38.2               10.2 +/-    1.59      15.4 +/-    1.59  0.120 / 0.310