PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/11-12:42:10
G02     50.5           39.3                4.6 +/-    1.59       6.7 +/-    1.59  0.030 / 0.030
G05     93.6           71.0                6.1 +/-    0.86       6.4 +/-    0.86  0.030 / 0.020
G12     183.5          43.4                8.2 +/-    0.97      11.3 +/-    0.97  0.040 / 0.050
G25     259.0          57.8                8.5 +/-    1.71       9.8 +/-    1.71  0.040 / 0.050
G29     320.0          42.6                4.4 +/-    1.17       6.1 +/-    1.17  0.060 / 0.040