PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/16-17:58:10
G01     242.6          30.4               11.0 +/-    1.19      19.1 +/-    1.19  0.040 / 0.030
G03     312.4          54.8               11.7 +/-    1.53      14.0 +/-    1.53  0.040 / 0.030
G14     67.7           37.1                9.8 +/-    1.54      15.0 +/-    1.54  0.090 / 0.150
G16     159.7          25.6               15.7 +/-    1.21      30.1 +/-    1.21  0.100 / 0.160
G22     285.4          73.9               10.9 +/-    0.32      11.3 +/-    0.32  0.030 / 0.040
G23     293.4          25.5                9.7 +/-    1.11      18.8 +/-    1.11  0.050 / 0.050
G26     127.1          44.6               15.3 +/-    0.90      20.8 +/-    0.90  0.050 / 0.080
G31     40.5           49.6                9.2 +/-    0.50      11.6 +/-    0.50  0.050 / 0.090
G32     84.5           17.3               11.3 +/-    1.74      26.5 +/-    1.74  0.060 / 0.150