PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-16:27:50
G01     221.4          12.7                9.6 +/-    1.70      25.3 +/-    1.70  0.040 / 0.040
G03     259.4          71.7                9.8 +/-    0.79      10.3 +/-    0.79  0.050 / 0.040
G09     297.5          11.1               -0.5 +/-   31.44      -1.4 +/-   31.44  0.090 / 0.220
G14     92.2           19.4                8.3 +/-    1.74      18.6 +/-    1.74  0.100 / 0.250
G16     147.8          48.2               11.2 +/-    0.91      14.5 +/-    0.91  0.030 / 0.050
G22     198.6          62.9               10.9 +/-    1.94      12.1 +/-    1.94  0.040 / 0.050
G23     311.4          41.0                8.1 +/-    0.86      11.6 +/-    0.86  0.050 / 0.100
G26     93.0           56.4                8.9 +/-    0.97      10.4 +/-    0.97  0.050 / 0.110
G31     47.3           29.0                6.4 +/-    0.70      11.5 +/-    0.70  0.130 / 0.370