PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-17:43:10
G08     307.8          20.0                8.6 +/-    1.46      18.9 +/-    1.46  0.050 / 0.090
G10     340.7          61.2                7.0 +/-    0.66       7.9 +/-    0.66  0.070 / 0.070
G14     219.0          28.2               11.1 +/-    2.66      20.3 +/-    2.66  0.040 / 0.060
G20     46.4           57.6                8.9 +/-    0.75      10.3 +/-    0.75  0.040 / 0.050
G21     136.7          54.7               10.3 +/-    1.13      12.3 +/-    1.13  0.110 / 0.200
G24     72.9           30.5                8.3 +/-    0.58      14.5 +/-    0.58  0.110 / 0.190
G27     271.8          37.5               10.4 +/-    0.89      15.8 +/-    0.89  0.030 / 0.030
G32     224.6          56.2                9.2 +/-    0.76      10.9 +/-    0.76  0.040 / 0.030