PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-17:13:10
G01     320.8          11.4               -8.9 +/-   35.61     -24.2 +/-   35.61  0.250 / 0.320
G08     265.6          16.7                9.4 +/-    2.41      22.5 +/-    2.41  0.250 / 0.340
G10     66.2           57.5                6.0 +/-    0.58       7.0 +/-    0.58  0.050 / 0.100
G11     310.5          17.8                6.3 +/-    2.86      14.6 +/-    2.86  0.070 / 0.110
G14     273.8          67.4                5.6 +/-    0.84       6.0 +/-    0.84  0.130 / 0.370
G18     96.0           32.3                7.8 +/-    1.06      13.0 +/-    1.06  0.150 / 0.400
G27     228.5          13.4               10.6 +/-   15.74      27.3 +/-   15.74  0.020 / 0.030
G31     178.1          33.3               10.3 +/-    1.92      16.9 +/-    1.92  0.030 / 0.030
G32     348.6          72.5                5.7 +/-    0.46       6.0 +/-    0.46  0.040 / 0.060