PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-21:28:00
G10     270.0          41.2               11.4 +/-    1.42      16.3 +/-    1.42  0.040 / 0.040
G13     40.5           15.4                8.8 +/-    2.28      21.7 +/-    2.28  0.040 / 0.050
G15     57.2           47.7               11.8 +/-    1.24      15.4 +/-    1.24  0.030 / 0.050
G16     276.7          11.8               14.2 +/-    9.25      38.0 +/-    9.25  0.040 / 0.040
G20     303.4          61.5               10.2 +/-    0.96      11.4 +/-    0.96  0.200 / 0.440
G21     6.6            72.6               12.1 +/-    0.78      12.7 +/-    0.78  0.140 / 0.490
G24     119.9          15.4               13.4 +/-    2.08      32.9 +/-    2.08  0.130 / 0.280
G27     317.9          20.2                9.5 +/-    1.89      20.7 +/-    1.89  0.120 / 0.410
G29     167.4          29.2               13.2 +/-    1.77      23.6 +/-    1.77  0.050 / 0.110
G32     204.4          11.0               -4.8 +/-   46.04     -13.1 +/-   46.04  0.070 / 0.120