PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-21:28:00
G05     49.3           15.5                7.6 +/-    2.21      18.6 +/-    2.21  0.050 / 0.070
G10     237.4          15.6               15.0 +/-    2.00      36.7 +/-    2.00  0.050 / 0.060
G13     71.9           35.1               10.4 +/-    1.42      16.4 +/-    1.42  0.070 / 0.110
G15     121.0          53.8               10.8 +/-    0.53      13.1 +/-    0.53  0.090 / 0.120
G16     312.3          13.1                8.5 +/-    2.83      22.1 +/-    2.83  0.030 / 0.050
G20     250.4          38.7               11.9 +/-    1.09      17.7 +/-    1.09  0.030 / 0.040
G21     315.1          47.6               10.7 +/-    1.12      13.9 +/-    1.12  0.200 / 0.400
G26     285.5          19.9                8.3 +/-    1.97      18.4 +/-    1.97  0.120 / 0.400
G29     154.6          69.8               11.7 +/-    0.34      12.3 +/-    0.34  0.110 / 0.260