PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-19:13:00
G01     316.1          24.2               10.9 +/-    1.51      21.7 +/-    1.51  0.030 / 0.040
G10     91.0           48.1               11.3 +/-    0.39      14.6 +/-    0.39  0.040 / 0.040
G11     294.5          26.7               10.3 +/-    1.17      19.5 +/-    1.17  0.050 / 0.050
G14     323.2          71.2               11.3 +/-    0.90      11.9 +/-    0.90  0.040 / 0.050
G20     111.6          23.5               10.0 +/-    0.84      20.1 +/-    0.84  0.080 / 0.160
G22     304.5          15.4                9.1 +/-    2.90      22.3 +/-    2.90  0.110 / 0.180
G25     88.8           11.3                9.4 +/-    1.23      25.5 +/-    1.23  0.160 / 0.460
G31     177.4          47.5               14.5 +/-    1.40      18.8 +/-    1.40  0.180 / 0.360
G32     18.9           62.6               10.6 +/-    0.64      11.7 +/-    0.64  0.080 / 0.270