PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-17:42:50
G08     309.8          19.1                8.9 +/-    1.68      20.0 +/-    1.68  0.070 / 0.090
G10     336.0          60.7                7.3 +/-    0.67       8.2 +/-    0.67  0.080 / 0.090
G14     217.9          26.1                8.5 +/-    1.95      16.3 +/-    1.95  0.050 / 0.070
G20     42.4           58.6                7.2 +/-    0.85       8.3 +/-    0.85  0.050 / 0.070
G21     134.4          56.9                9.3 +/-    0.61      10.8 +/-    0.61  0.100 / 0.210
G24     75.6           30.7                7.4 +/-    0.58      12.7 +/-    0.58  0.110 / 0.200
G27     274.9          37.9                9.9 +/-    1.05      14.9 +/-    1.05  0.040 / 0.070
G32     222.4          53.9                8.1 +/-    0.76       9.7 +/-    0.76  0.040 / 0.060