PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-22:57:40
G01     307.4          34.5                8.9 +/-    1.26      14.3 +/-    1.26  0.110 / 0.160
G10     104.9          39.0               10.9 +/-    0.92      16.0 +/-    0.92  0.080 / 0.120
G11     285.5          26.4                9.8 +/-    1.51      18.5 +/-    1.51  0.060 / 0.070
G14     344.3          68.5               10.2 +/-    0.46      10.8 +/-    0.46  0.060 / 0.070
G20     120.2          13.5               11.0 +/-    2.24      28.4 +/-    2.24  0.070 / 0.120
G22     309.3          23.0                8.7 +/-    0.90      17.9 +/-    0.90  0.070 / 0.130
G25     84.6           15.8               10.0 +/-    1.38      24.3 +/-    1.38  0.080 / 0.160
G31     165.0          64.0               11.8 +/-    0.90      13.0 +/-    0.90  0.090 / 0.210
G32     35.5           52.9               10.2 +/-    1.18      12.5 +/-    1.18  0.040 / 0.040