PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/18-22:27:50
G08     312.7          17.7                7.8 +/-    2.26      18.2 +/-    2.26  0.040 / 0.050
G10     323.3          58.5                8.4 +/-    0.36       9.7 +/-    0.36  0.040 / 0.040
G14     215.7          25.5               11.5 +/-    3.07      22.2 +/-    3.07  0.230 / 0.230
G15     46.2           19.4                7.0 +/-    1.57      15.6 +/-    1.57  0.200 / 0.210
G20     27.9           62.2               11.3 +/-    0.82      12.5 +/-    0.82  0.070 / 0.050
G21     128.8          61.7               10.6 +/-    0.60      11.9 +/-    0.60  0.070 / 0.060
G24     77.0           29.1               10.1 +/-    0.96      18.1 +/-    0.96  0.070 / 0.070
G27     282.6          37.3               10.1 +/-    2.07      15.4 +/-    2.07  0.070 / 0.070
G32     219.1          48.6               10.8 +/-    1.47      13.8 +/-    1.47  0.150 / 0.180