PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-23:12:50
G03     231.2          66.3                8.0 +/-    0.55       8.7 +/-    0.55  0.050 / 0.070
G07     250.4          11.1                4.6 +/-   18.32      12.6 +/-   18.32  0.060 / 0.080
G09     306.1          23.1                5.1 +/-    2.83      10.3 +/-    2.83  0.040 / 0.070
G14     102.4          11.7                9.2 +/-    2.58      24.8 +/-    2.58  0.040 / 0.080
G16     121.3          60.9               10.9 +/-    0.69      12.3 +/-    0.69  0.130 / 0.420
G22     194.2          52.3               11.8 +/-    1.35      14.5 +/-    1.35  0.080 / 0.440
G23     320.1          49.9                6.7 +/-    1.11       8.5 +/-    1.11  0.050 / 0.050
G26     66.5           51.5                6.2 +/-    0.34       7.7 +/-    0.34  0.050 / 0.050
G31     53.1           20.0                4.6 +/-    1.67      10.0 +/-    1.67  0.100 / 0.520