PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-21:43:10
G10     305.0          54.8                9.7 +/-    0.90      11.6 +/-    0.90  0.040 / 0.050
G14     211.2          13.0               15.1 +/-    2.46      39.2 +/-    2.46  0.040 / 0.040
G15     45.8           25.7                7.7 +/-    0.71      14.9 +/-    0.71  0.090 / 0.080
G20     3.7            64.8                9.2 +/-    0.76      10.0 +/-    0.76  0.090 / 0.100
G21     105.6          72.4               10.4 +/-    0.91      10.9 +/-    0.91  0.100 / 0.460
G24     95.0           28.0               10.8 +/-    1.29      19.7 +/-    1.29  0.120 / 0.600
G27     296.8          35.8               10.5 +/-    1.11      16.4 +/-    1.11  0.060 / 0.120
G32     211.7          35.8               13.5 +/-    1.59      21.1 +/-    1.59  0.070 / 0.100