PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/20-18:57:50
G08     320.8          10.9               -6.5 +/-   37.43     -17.9 +/-   37.43  0.070 / 0.080
G10     309.7          56.0                7.6 +/-    0.70       9.0 +/-    0.70  0.070 / 0.080
G14     212.2          14.1               11.9 +/-    4.01      30.2 +/-    4.01  0.090 / 0.120
G15     45.5           20.9                6.6 +/-    0.99      14.1 +/-    0.99  0.070 / 0.100
G20     12.6           64.0                7.9 +/-    0.35       8.6 +/-    0.35  0.040 / 0.050
G21     112.8          70.0                9.7 +/-    0.33      10.3 +/-    0.33  0.030 / 0.050
G24     92.4           28.9                9.5 +/-    0.53      17.1 +/-    0.53  0.100 / 0.550
G27     293.4          36.8               10.1 +/-    0.80      15.5 +/-    0.80  0.280 / 0.610
G32     212.8          39.4               12.1 +/-    0.71      17.7 +/-    0.71  0.160 / 0.400