PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/03-01:12:40
G02     35.4           53.0                9.4 +/-    0.55      11.5 +/-    0.55  0.040 / 0.060
G05     132.5          64.0               11.9 +/-    0.62      13.0 +/-    0.62  0.040 / 0.070
G06     53.8           16.4                7.9 +/-    1.58      19.1 +/-    1.58  0.040 / 0.050
G12     201.9          67.9                9.8 +/-    0.57      10.5 +/-    0.57  0.040 / 0.050
G25     293.3          55.1                9.6 +/-    0.73      11.5 +/-    0.73  0.020 / 0.050
G29     310.5          32.7                8.3 +/-    0.74      13.8 +/-    0.74  0.030 / 0.040