PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-20:42:30
G10     264.0          37.8               10.8 +/-    1.20      16.3 +/-    1.20  0.050 / 0.060
G13     43.0           19.6                8.9 +/-    1.37      19.8 +/-    1.37  0.040 / 0.040
G15     63.7           52.0                9.2 +/-    0.27      11.3 +/-    0.27  0.130 / 0.350
G16     281.7          13.6                9.8 +/-    1.60      25.3 +/-    1.60  0.130 / 0.330
G20     293.1          59.3               11.4 +/-    0.81      13.0 +/-    0.81  0.070 / 0.300
G21     354.2          69.1               11.2 +/-    0.54      11.9 +/-    0.54  0.090 / 0.270
G24     124.5          12.2               12.0 +/-    2.28      31.8 +/-    2.28  0.030 / 0.040
G27     320.2          15.9                7.3 +/-    1.18      17.6 +/-    1.18  0.030 / 0.050
G29     166.8          35.2               11.5 +/-    1.24      18.2 +/-    1.24  0.130 / 0.430