PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-10:42:30
G02     204.3          37.7                6.8 +/-    1.96      10.3 +/-    1.96  0.060 / 0.090
G06     149.3          72.8                5.3 +/-    0.65       5.5 +/-    0.65  0.060 / 0.090
G12     309.2          19.6                4.5 +/-    1.35      10.0 +/-    1.35  0.040 / 0.050
G17     37.9           47.5                3.2 +/-    0.30       4.2 +/-    0.30  0.030 / 0.050
G19     11.9           62.2                4.0 +/-    0.63       4.4 +/-    0.63  0.050 / 0.140
G24     295.2          38.3                5.1 +/-    1.44       7.7 +/-    1.44  0.050 / 0.100
G28     101.7          35.7                5.3 +/-    1.10       8.3 +/-    1.10  0.120 / 0.200