PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/25-17:58:00
G03     216.8          62.6               10.0 +/-    1.12      11.1 +/-    1.12  0.060 / 0.260
G07     253.8          15.4               10.1 +/-    2.41      24.8 +/-    2.41  0.140 / 0.300
G09     307.2          23.3                9.0 +/-    2.19      18.3 +/-    2.19  0.030 / 0.050
G16     122.0          62.7               10.1 +/-    0.57      11.2 +/-    0.57  0.040 / 0.040
G22     189.0          46.1               10.6 +/-    0.70      14.0 +/-    0.70  0.080 / 0.110
G23     323.7          53.6                9.5 +/-    0.41      11.4 +/-    0.41  0.100 / 0.120
G26     64.5           51.8                7.8 +/-    1.15       9.7 +/-    1.15  0.040 / 0.050
G31     55.2           16.9                6.6 +/-    3.07      15.7 +/-    3.07  0.040 / 0.040