PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-18:12:50
G08     320.5          11.2               -3.2 +/-   32.82      -8.6 +/-   32.82  0.040 / 0.040
G10     309.8          56.1                9.9 +/-    1.24      11.7 +/-    1.24  0.030 / 0.040
G14     212.2          13.7               12.4 +/-    2.32      31.8 +/-    2.32  0.150 / 0.690
G15     45.5           20.4                9.0 +/-    2.10      19.6 +/-    2.10  0.140 / 0.500
G20     13.3           63.9               10.5 +/-    0.72      11.5 +/-    0.72  0.230 / 0.320
G21     113.0          69.8               12.5 +/-    1.36      13.3 +/-    1.36  0.260 / 0.460
G24     92.4           28.9               12.4 +/-    0.89      22.2 +/-    0.89  0.060 / 0.080
G27     293.4          36.8                7.2 +/-    3.17      11.1 +/-    3.17  0.090 / 0.080
G32     212.7          39.6               13.2 +/-    1.08      19.3 +/-    1.08  0.150 / 0.250