PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-16:27:50
G01     226.5          17.8               11.2 +/-    2.61      26.0 +/-    2.61  0.040 / 0.050
G03     284.6          69.8                9.8 +/-    0.84      10.3 +/-    0.84  0.030 / 0.060
G14     85.9           23.9                9.2 +/-    1.24      18.4 +/-    1.24  0.090 / 0.230
G16     153.3          40.9                5.9 +/-    0.52       8.4 +/-    0.52  0.090 / 0.200
G22     210.3          70.1               11.8 +/-    0.38      12.5 +/-    0.38  0.040 / 0.040
G23     305.9          35.6                9.8 +/-    1.27      15.4 +/-    1.27  0.040 / 0.060
G26     107.8          54.9               10.6 +/-    0.74      12.7 +/-    0.74  0.070 / 0.130
G31     44.3           35.5                8.2 +/-    0.94      12.9 +/-    0.94  0.070 / 0.110