PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/15-22:42:50
G08     290.2          22.2               10.2 +/-    1.09      21.3 +/-    1.09  0.080 / 0.100
G10     24.4           62.3               11.6 +/-    0.72      13.0 +/-    0.72  0.060 / 0.100
G14     234.3          49.2               12.0 +/-    2.18      15.3 +/-    2.18  0.080 / 0.080
G18     317.9          15.3                7.8 +/-    2.43      19.2 +/-    2.43  0.090 / 0.090
G20     74.5           48.0               10.6 +/-    1.59      13.7 +/-    1.59  0.180 / 0.380
G21     149.8          35.4               13.4 +/-    0.94      21.0 +/-    0.94  0.210 / 0.400
G24     52.0           23.5                9.0 +/-    2.61      18.3 +/-    2.61  0.030 / 0.030
G27     248.4          28.9               12.5 +/-    1.52      22.4 +/-    1.52  0.030 / 0.020
G31     181.7          12.5               17.4 +/-    3.18      45.9 +/-    3.18  0.110 / 0.110
G32     260.2          72.7               11.3 +/-    0.52      11.8 +/-    0.52  0.090 / 0.100