PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-21:57:50
G02     2.6            73.7                9.3 +/-    0.43       9.6 +/-    0.43  0.110 / 0.110
G05     160.3          40.3               13.0 +/-    0.99      18.8 +/-    0.99  0.070 / 0.110
G06     42.8           35.5                9.3 +/-    1.44      14.6 +/-    1.44  0.030 / 0.030
G12     300.9          74.5               11.3 +/-    0.38      11.7 +/-    0.38  0.030 / 0.050
G19     80.7           22.5               10.1 +/-    1.35      21.0 +/-    1.35  0.170 / 0.210
G24     223.5          18.2               10.1 +/-   20.36      23.3 +/-   20.36  0.120 / 0.380
G25     315.6          34.3                7.4 +/-    0.96      11.9 +/-    0.96  0.030 / 0.030
G29     291.2          14.4               11.8 +/-    1.67      29.8 +/-    1.67  0.040 / 0.030