PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/19-16:58:10
G01     320.4          13.5                6.1 +/-    1.59      15.9 +/-    1.59  0.110 / 0.410
G08     263.5          15.6               10.0 +/-    2.58      24.6 +/-    2.58  0.110 / 0.270
G10     70.6           56.4                7.7 +/-    0.83       9.1 +/-    0.83  0.140 / 0.220
G11     308.8          19.1                7.8 +/-    2.26      17.5 +/-    2.26  0.150 / 0.200
G14     279.9          68.4                9.0 +/-    0.51       9.6 +/-    0.51  0.050 / 0.080
G18     98.2           30.6                9.6 +/-    0.41      16.7 +/-    0.41  0.050 / 0.100
G27     226.7          11.8               10.2 +/-    4.58      27.4 +/-    4.58  0.040 / 0.040
G31     177.5          36.1               12.3 +/-    1.30      19.1 +/-    1.30  0.030 / 0.050
G32     355.8          70.9                9.0 +/-    0.59       9.5 +/-    0.59  0.030 / 0.030