PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-19:28:10
G01     317.0          22.6                9.1 +/-    2.45      18.9 +/-    2.45  0.060 / 0.030
G10     88.2           49.3               10.1 +/-    1.01      12.9 +/-    1.01  0.040 / 0.040
G11     296.6          26.1               10.1 +/-    0.73      19.2 +/-    0.73  0.130 / 0.150
G14     316.5          71.4                9.7 +/-    0.62      10.1 +/-    0.62  0.120 / 0.130
G20     110.0          25.0                8.6 +/-    1.07      16.8 +/-    1.07  0.130 / 0.300
G22     303.5          13.9                9.2 +/-    4.41      23.5 +/-    4.41  0.160 / 0.280
G25     90.9           10.5                9.2 +/-   10.73      25.4 +/-   10.73  0.460 / 0.380
G31     177.5          45.5               10.5 +/-    0.83      14.1 +/-    0.83  0.460 / 0.400
G32     16.0           63.9                9.1 +/-    0.62      10.1 +/-    0.62  0.040 / 0.070