PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-20:58:10
G01     317.1          23.6                9.9 +/-    3.13      19.9 +/-    3.13  0.220 / 0.450
G08     254.6          11.4               12.2 +/-   18.70      33.0 +/-   18.70  0.210 / 0.410
G10     86.9           48.8               11.6 +/-    0.72      14.9 +/-    0.72  0.090 / 0.170
G11     301.6          22.6                9.9 +/-    1.59      20.4 +/-    1.59  0.130 / 0.200
G14     297.7          69.6               12.2 +/-    1.04      12.9 +/-    1.04  0.040 / 0.050
G20     109.8          23.9               12.0 +/-    1.13      24.1 +/-    1.13  0.040 / 0.050
G22     302.9          11.8                9.0 +/-   11.28      24.2 +/-   11.28  0.180 / 0.430
G31     173.9          47.0               13.7 +/-    1.43      18.0 +/-    1.43  0.190 / 0.640
G32     17.3           63.8               11.1 +/-    0.63      12.3 +/-    0.63  0.060 / 0.050