PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/29-20:43:10
G10     250.3          28.1               13.7 +/-    1.10      24.9 +/-    1.10  0.040 / 0.060
G13     53.2           28.9                8.6 +/-    0.83      15.4 +/-    0.83  0.040 / 0.050
G15     88.2           58.0               12.0 +/-    0.51      13.9 +/-    0.51  0.230 / 0.770
G16     295.9          15.8               11.3 +/-    2.50      27.5 +/-    2.50  0.180 / 0.710
G20     270.2          51.1               11.5 +/-    0.87      14.3 +/-    0.87  0.080 / 0.190
G21     332.8          59.1               10.4 +/-    0.73      11.8 +/-    0.73  0.060 / 0.210
G26     268.5          15.6               14.3 +/-    2.78      35.0 +/-    2.78  0.030 / 0.050
G29     163.4          50.8               12.4 +/-    0.80      15.5 +/-    0.80  0.030 / 0.050