PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-18:12:40
G08     320.5          11.2                0.1 +/-   32.79       0.3 +/-   32.79  0.110 / 0.540
G10     309.8          56.1               10.0 +/-    0.90      11.7 +/-    0.90  0.150 / 0.500
G14     212.2          13.7               16.2 +/-    2.04      41.6 +/-    2.04  0.190 / 0.440
G15     45.5           20.4                7.4 +/-    1.19      16.1 +/-    1.19  0.190 / 0.300
G20     13.3           63.9               10.9 +/-    0.44      12.0 +/-    0.44  0.060 / 0.070
G21     113.0          69.8               12.4 +/-    1.01      13.1 +/-    1.01  0.070 / 0.080
G24     92.4           28.9               11.4 +/-    0.65      20.4 +/-    0.65  0.040 / 0.050
G27     293.4          36.8               11.4 +/-    0.85      17.5 +/-    0.85  0.030 / 0.040
G32     212.7          39.6               13.8 +/-    1.31      20.2 +/-    1.31  0.060 / 0.140