PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-00:42:30
G02     20.0           65.3               10.1 +/-    0.45      11.0 +/-    0.45  0.150 / 0.310
G05     153.3          50.3               15.3 +/-    1.24      19.3 +/-    1.24  0.160 / 0.230
G06     46.2           28.4               10.1 +/-    1.35      18.4 +/-    1.35  0.050 / 0.080
G12     256.2          78.9               11.4 +/-    0.76      11.6 +/-    0.76  0.050 / 0.080
G19     89.0           17.1               14.6 +/-    1.43      34.5 +/-    1.43  0.030 / 0.030
G24     216.2          11.4               18.2 +/-    3.37      49.3 +/-    3.37  0.030 / 0.030
G25     310.5          43.8               10.8 +/-    1.26      14.8 +/-    1.26  0.030 / 0.060
G29     299.3          22.0               11.4 +/-    2.01      24.0 +/-    2.01  0.030 / 0.050