PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/26-21:28:00
G01     222.6          13.6                8.9 +/-    4.29      22.9 +/-    4.29  0.190 / 0.480
G03     272.8          69.9                9.4 +/-    0.76       9.9 +/-    0.76  0.250 / 0.370
G09     297.5          12.2                9.6 +/-    2.06      25.5 +/-    2.06  0.130 / 0.250
G14     91.1           20.4               10.1 +/-    1.50      22.1 +/-    1.50  0.110 / 0.240
G16     143.6          49.0               13.7 +/-    1.20      17.5 +/-    1.20  0.040 / 0.050
G22     207.3          66.2               10.4 +/-    0.83      11.2 +/-    0.83  0.050 / 0.060
G23     309.8          39.1                7.5 +/-    1.10      11.0 +/-    1.10  0.040 / 0.060
G26     92.8           55.7                9.4 +/-    0.73      11.2 +/-    0.73  0.040 / 0.070
G31     46.0           32.1                6.4 +/-    0.66      10.8 +/-    0.66  0.040 / 0.040