PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-16:57:40
G08     320.4          11.4                1.5 +/-   23.79       3.9 +/-   23.79  0.060 / 0.070
G10     308.9          55.9                7.1 +/-    0.86       8.4 +/-    0.86  0.060 / 0.080
G14     212.2          12.5               11.0 +/-   12.59      29.1 +/-   12.59  0.100 / 0.400
G15     45.4           20.2                6.3 +/-    1.49      13.7 +/-    1.49  0.110 / 0.510
G20     13.2           63.9                7.8 +/-    0.43       8.5 +/-    0.43  0.030 / 0.050
G21     112.1          69.8                9.6 +/-    1.05      10.1 +/-    1.05  0.030 / 0.050
G24     93.0           28.8                7.5 +/-    1.00      13.5 +/-    1.00  0.040 / 0.040
G27     294.0          36.7                9.0 +/-    0.89      13.8 +/-    0.89  0.040 / 0.040
G32     212.3          39.2               10.3 +/-    1.01      15.2 +/-    1.01  0.190 / 0.400