PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-20:27:40
G10     260.8          35.8               12.7 +/-    1.70      19.9 +/-    1.70  0.050 / 0.050
G13     44.8           21.8                7.9 +/-    1.10      16.7 +/-    1.10  0.050 / 0.050
G15     68.1           54.0               10.8 +/-    0.43      13.0 +/-    0.43  0.090 / 0.210
G16     284.7          14.4               10.4 +/-    1.80      26.4 +/-    1.80  0.100 / 0.200
G20     287.7          57.8               11.6 +/-    1.04      13.5 +/-    1.04  0.080 / 0.300
G21     348.7          67.0               10.6 +/-    0.43      11.4 +/-    0.43  0.080 / 0.320
G24     127.0          10.4              -11.1 +/-   39.02     -30.7 +/-   39.02  0.030 / 0.050
G26     258.3          10.8               13.4 +/-    1.96      36.8 +/-    1.96  0.030 / 0.040
G27     321.2          13.5                9.1 +/-    3.60      23.6 +/-    3.60  0.110 / 0.500
G29     166.3          38.5               13.0 +/-    1.21      19.3 +/-    1.21  0.110 / 0.390