PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/11-00:42:20
G02     232.8          73.3               10.3 +/-    0.58      10.7 +/-    0.58  0.060 / 0.090
G05     172.5          13.2               11.3 +/-    2.35      29.4 +/-    2.35  0.090 / 0.110
G06     41.8           66.4                8.8 +/-    0.47       9.6 +/-    0.47  0.040 / 0.040
G12     320.4          45.0                9.1 +/-    0.44      12.2 +/-    0.44  0.040 / 0.050
G17     67.8           23.8                8.3 +/-    1.32      16.7 +/-    1.32  0.060 / 0.060
G19     52.6           41.0                8.0 +/-    1.62      11.5 +/-    1.62  0.050 / 0.060
G24     247.9          36.8               12.0 +/-    1.84      18.4 +/-    1.84  0.210 / 0.210