PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-20:12:30
G10     304.5          54.7               12.0 +/-    0.80      14.3 +/-    0.80  0.080 / 0.090
G14     211.2          12.0               17.4 +/-   23.91      46.5 +/-   23.91  0.090 / 0.100
G15     45.7           24.6                9.3 +/-    1.14      18.4 +/-    1.14  0.040 / 0.050
G20     4.2            64.7               11.6 +/-    0.71      12.7 +/-    0.71  0.040 / 0.050
G21     104.7          72.6               12.7 +/-    0.62      13.2 +/-    0.62  0.070 / 0.170
G24     95.8           27.9               13.1 +/-    2.63      24.0 +/-    2.63  0.070 / 0.130
G27     297.2          35.7               12.2 +/-    0.93      19.1 +/-    0.93  0.100 / 0.500
G32     211.3          35.9               15.3 +/-    1.46      23.8 +/-    1.46  0.110 / 0.430