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               13.1 +/-    1.21      23.9 +/-    1.21  0.040 / 0.050
G13     53.2           28.9                9.0 +/-    1.40      16.1 +/-    1.40  0.040 / 0.060
G15     88.2           58.0               12.2 +/-    0.51      14.1 +/-    0.51  0.030 / 0.040
G16     295.9          15.8               10.1 +/-    3.12      24.5 +/-    3.12  0.050 / 0.040
G20     270.2          51.1               12.2 +/-    2.53      15.2 +/-    2.53  0.120 / 0.160
G21     332.8          59.1               11.2 +/-    1.11      12.8 +/-    1.11  0.110 / 0.180
G26     268.5          15.6               12.4 +/-    2.25      30.4 +/-    2.25  0.190 / 0.450
G29     163.4          50.8               12.9 +/-    0.75      16.1 +/-    0.75  0.160 / 0.440