PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-23:57:40
G08     290.5          21.8               10.7 +/-    1.09      22.5 +/-    1.09  0.050 / 0.110
G10     25.5           62.3                9.4 +/-    1.17      10.5 +/-    1.17  0.050 / 0.110
G14     235.1          50.3               11.1 +/-    2.12      13.9 +/-    2.12  0.110 / 0.110
G18     317.8          15.9                6.6 +/-    2.65      16.0 +/-    2.65  0.070 / 0.100
G20     74.8           48.0                9.9 +/-    1.56      12.8 +/-    1.56  0.190 / 0.320
G21     150.0          34.9               10.0 +/-    1.32      15.9 +/-    1.32  0.270 / 0.410
G24     51.4           23.0                7.8 +/-    2.85      16.0 +/-    2.85  0.110 / 0.200
G27     248.0          28.6               10.8 +/-    2.00      19.5 +/-    2.00  0.110 / 0.170
G31     181.4          13.1               12.9 +/-    2.47      33.7 +/-    2.47  0.030 / 0.020
G32     261.3          72.7                8.3 +/-    0.67       8.6 +/-    0.67  0.020 / 0.020