PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/26-19:27:50
G01     309.4          31.3                9.7 +/-    2.33      16.5 +/-    2.33  0.110 / 0.120
G10     102.9          42.6               11.2 +/-    0.80      15.6 +/-    0.80  0.120 / 0.110
G11     286.1          27.8                9.5 +/-    1.19      17.4 +/-    1.19  0.040 / 0.030
G14     350.1          68.1                9.0 +/-    0.40       9.6 +/-    0.40  0.030 / 0.030
G18     115.9          14.7               12.5 +/-    3.71      31.2 +/-    3.71  0.120 / 0.140
G22     308.5          23.3                9.2 +/-    1.29      18.8 +/-    1.29  0.150 / 0.150
G25     84.8           15.8               11.0 +/-    2.04      26.7 +/-    2.04  0.030 / 0.040
G31     171.2          61.0               12.9 +/-    0.44      14.5 +/-    0.44  0.030 / 0.040
G32     32.4           54.9                8.8 +/-    0.94      10.5 +/-    0.94  0.040 / 0.040