PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/16-19:12:50
G01     308.8          32.3                6.7 +/-    1.83      11.2 +/-    1.83  0.100 / 0.100
G10     104.2          40.5                7.6 +/-    0.69      10.9 +/-    0.69  0.100 / 0.130
G11     282.2          28.4                5.9 +/-    1.08      10.7 +/-    1.08  0.070 / 0.110
G14     354.5          67.6                5.1 +/-    0.58       5.5 +/-    0.58  0.090 / 0.130
G18     275.6          51.3               11.5 +/-    1.97      14.2 +/-    1.97  0.040 / 0.040
G20     119.4          15.3                8.3 +/-    2.26      20.5 +/-    2.26  0.040 / 0.040
G22     309.2          24.0                7.5 +/-    0.73      14.9 +/-    0.73  0.040 / 0.060
G25     77.8           14.8                6.5 +/-    3.21      16.2 +/-    3.21  0.040 / 0.050
G31     174.1          59.8                8.2 +/-    0.64       9.3 +/-    0.64  0.090 / 0.110
G32     33.0           54.6                6.1 +/-    1.01       7.3 +/-    1.01  0.080 / 0.130