PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-16:28:10
G10     302.6          54.2                9.2 +/-    1.62      11.1 +/-    1.62  0.100 / 0.090
G15     45.5           23.4                7.9 +/-    2.52      16.1 +/-    2.52  0.070 / 0.080
G20     4.7            64.7               10.2 +/-    0.86      11.2 +/-    0.86  0.040 / 0.030
G21     102.6          72.4               12.8 +/-    0.89      13.4 +/-    0.89  0.040 / 0.040
G24     97.3           27.5               12.2 +/-    1.18      22.6 +/-    1.18  0.070 / 0.030
G27     298.5          35.4               10.7 +/-    2.51      16.8 +/-    2.51  0.080 / 0.040
G32     210.5          35.4               14.1 +/-    0.82      22.2 +/-    0.82  0.120 / 0.140