PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/16-20:12:40
G01     239.5          28.3               10.4 +/-    1.42      18.8 +/-    1.42  0.040 / 0.040
G03     310.6          56.1                7.8 +/-    0.79       9.2 +/-    0.79  0.030 / 0.030
G14     71.5           34.4                8.0 +/-    1.37      12.8 +/-    1.37  0.080 / 0.180
G16     159.3          28.0               11.9 +/-    1.66      21.7 +/-    1.66  0.080 / 0.150
G22     277.5          74.6               10.0 +/-    0.57      10.3 +/-    0.57  0.060 / 0.140
G23     295.3          26.6                8.7 +/-    2.26      16.4 +/-    2.26  0.100 / 0.160
G26     124.6          46.7               11.0 +/-    0.78      14.4 +/-    0.78  0.040 / 0.050
G31     40.5           47.5                7.6 +/-    0.38       9.9 +/-    0.38  0.030 / 0.050
G32     86.8           15.9                8.5 +/-    1.92      20.8 +/-    1.92  0.080 / 0.240