PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-19:42:50
G05     50.8           13.0                6.8 +/-    2.46      17.8 +/-    2.46  0.120 / 0.600
G10     240.3          18.9               12.0 +/-    1.73      27.2 +/-    1.73  0.100 / 0.410
G13     66.6           34.1                9.3 +/-    1.52      14.9 +/-    1.52  0.060 / 0.070
G15     115.1          56.0                9.8 +/-    0.48      11.6 +/-    0.48  0.050 / 0.070
G16     308.0          14.5                5.8 +/-    2.30      14.5 +/-    2.30  0.070 / 0.120
G20     255.1          42.6               10.7 +/-    2.74      14.9 +/-    2.74  0.070 / 0.100
G21     319.3          50.4                9.9 +/-    0.61      12.4 +/-    0.61  0.030 / 0.040
G26     280.9          19.3                9.2 +/-    0.91      20.6 +/-    0.91  0.030 / 0.040
G29     158.0          65.5               10.3 +/-    0.76      11.2 +/-    0.76  0.110 / 0.160