PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-21:42:30
G05     51.2           11.6                8.1 +/-    2.61      21.7 +/-    2.61  0.040 / 0.070
G13     65.9           34.0               11.0 +/-    1.05      17.8 +/-    1.05  0.050 / 0.070
G15     112.1          56.2               11.5 +/-    0.50      13.5 +/-    0.50  0.140 / 0.560
G16     308.0          14.4                6.4 +/-    3.14      16.1 +/-    3.14  0.090 / 0.430
G20     255.3          42.2               11.2 +/-    2.58      15.8 +/-    2.58  0.070 / 0.110
G21     319.8          50.9               10.6 +/-    0.52      13.3 +/-    0.52  0.070 / 0.110
G26     280.5          19.1                9.2 +/-    0.63      20.6 +/-    0.63  0.030 / 0.040
G29     158.0          64.2               10.8 +/-    0.80      11.9 +/-    0.80  0.030 / 0.040