PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-17:58:10
G08     295.7          23.0               19.3 +/-    1.21      39.6 +/-    1.21  0.080 / 0.100
G10     7.1            62.6                8.3 +/-    0.43       9.3 +/-    0.43  0.060 / 0.120
G14     226.8          39.4               12.1 +/-    1.59      17.7 +/-    1.59  0.060 / 0.120
G20     65.4           51.2                9.8 +/-    0.84      12.2 +/-    0.84  0.080 / 0.120
G21     145.6          42.5               13.2 +/-    0.61      18.5 +/-    0.61  0.040 / 0.030
G24     59.4           27.4                7.8 +/-    0.68      14.4 +/-    0.68  0.050 / 0.040
G27     256.7          33.3                9.2 +/-    1.52      15.1 +/-    1.52  0.050 / 0.080
G32     241.6          67.7               10.3 +/-    0.83      11.0 +/-    0.83  0.050 / 0.080