PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-22:27:50
G01     316.5          24.5                9.5 +/-    1.72      18.8 +/-    1.72  0.240 / 0.280
G08     254.4          10.7               10.4 +/-    3.10      28.5 +/-    3.10  0.120 / 0.250
G10     88.8           48.1               10.0 +/-    1.28      12.9 +/-    1.28  0.040 / 0.060
G11     299.8          23.5                9.5 +/-    1.27      19.3 +/-    1.27  0.040 / 0.050
G14     304.2          70.2               10.5 +/-    0.39      11.0 +/-    0.39  0.110 / 0.180
G20     110.7          23.5               12.0 +/-    1.22      24.2 +/-    1.22  0.120 / 0.150
G22     303.5          12.7                9.6 +/-    3.32      25.1 +/-    3.32  0.160 / 0.340
G25     97.4           10.4               10.3 +/-    3.36      28.5 +/-    3.36  0.160 / 0.270
G31     173.0          48.9               11.5 +/-    1.11      14.8 +/-    1.11  0.150 / 0.360
G32     18.7           63.0               10.0 +/-    0.63      11.0 +/-    0.63  0.160 / 0.340