PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-21:12:40
G10     250.4          28.2               13.3 +/-    1.07      24.2 +/-    1.07  0.050 / 0.060
G13     53.1           28.8                7.2 +/-    0.79      12.9 +/-    0.79  0.040 / 0.060
G15     87.5           57.9               10.7 +/-    0.48      12.4 +/-    0.48  0.230 / 0.780
G16     295.8          15.7                7.3 +/-   11.40      17.8 +/-   11.40  0.140 / 0.890
G20     270.3          51.0               11.4 +/-    0.99      14.2 +/-    0.99  0.070 / 0.170
G21     333.0          59.2               10.3 +/-    0.68      11.8 +/-    0.68  0.060 / 0.180
G26     268.4          15.6               11.8 +/-    3.09      29.0 +/-    3.09  0.030 / 0.050
G29     163.4          50.5               11.8 +/-    0.54      14.8 +/-    0.54  0.020 / 0.030