PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-20:42:40
G08     320.8          10.7              -10.6 +/-   32.64     -29.1 +/-   32.64  0.030 / 0.040
G10     311.6          56.4                7.8 +/-    1.78       9.2 +/-    1.78  0.030 / 0.040
G14     212.4          16.0               13.8 +/-    1.63      33.4 +/-    1.63  0.210 / 0.370
G15     45.6           21.1                8.4 +/-    2.27      18.0 +/-    2.27  0.180 / 0.250
G20     13.7           63.9                9.0 +/-    0.68       9.9 +/-    0.68  0.270 / 0.170
G21     115.1          69.4               11.2 +/-    1.09      11.8 +/-    1.09  0.150 / 0.230
G24     90.9           29.2               10.8 +/-    1.09      19.2 +/-    1.09  0.100 / 0.090
G27     292.1          37.0                6.9 +/-    2.17      10.6 +/-    2.17  0.080 / 0.080
G32     213.5          40.1               11.5 +/-    1.31      16.6 +/-    1.31  0.120 / 0.110