PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/08-22:12:50
G01     258.7          38.2               10.6 +/-    2.84      15.8 +/-    2.84  0.040 / 0.040
G03     316.5          37.5                7.6 +/-    0.75      11.5 +/-    0.75  0.060 / 0.050
G10     134.6          10.1               12.0 +/-    4.01      33.3 +/-    4.01  0.020 / 0.030
G11     242.8          16.2               12.5 +/-    1.50      30.1 +/-    1.50  0.030 / 0.030
G14     54.0           44.3                8.2 +/-    0.71      11.2 +/-    0.71  0.110 / 0.130
G22     310.8          59.5                8.1 +/-    1.29       9.2 +/-    1.29  0.060 / 0.140
G25     44.2           13.1                6.3 +/-    1.86      16.3 +/-    1.86  0.040 / 0.070
G26     143.9          31.8               11.4 +/-    1.35      19.3 +/-    1.35  0.050 / 0.070
G31     43.3           67.4                8.5 +/-    0.42       9.1 +/-    0.42  0.040 / 0.080
G32     71.5           27.7                7.4 +/-    2.02      13.7 +/-    2.02  0.050 / 0.090