PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-01:27:30
G02     45.6           44.0                8.1 +/-    0.35      11.1 +/-    0.35  0.040 / 0.050
G05     98.7           69.0               10.4 +/-    0.76      11.1 +/-    0.76  0.040 / 0.050
G12     191.7          54.4               12.7 +/-    1.73      15.3 +/-    1.73  0.050 / 0.070
G25     269.6          58.7               10.7 +/-    0.85      12.3 +/-    0.85  0.040 / 0.080
G29     319.1          42.2               10.3 +/-    1.41      14.4 +/-    1.41  0.060 / 0.070