PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-01:12:20
G02     46.1           43.6               10.7 +/-    1.10      14.8 +/-    1.10  0.040 / 0.040
G05     96.8           68.9               11.9 +/-    0.54      12.6 +/-    0.54  0.030 / 0.040
G12     191.4          53.7               12.9 +/-    0.91      15.5 +/-    0.91  0.040 / 0.050
G25     268.5          58.7               11.2 +/-    2.60      12.8 +/-    2.60  0.050 / 0.050
G29     319.4          42.5               12.1 +/-    1.07      17.0 +/-    1.07  0.030 / 0.030