PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-15:27:40
G02     58.7           33.1                6.0 +/-    1.42       9.9 +/-    1.42  0.030 / 0.050
G05     61.6           64.6                7.2 +/-    0.42       7.9 +/-    0.42  0.030 / 0.050
G12     182.9          32.3                7.6 +/-    1.41      12.7 +/-    1.41  0.060 / 0.090
G13     127.1          14.5               11.8 +/-    1.86      29.8 +/-    1.86  0.070 / 0.110
G15     163.4          12.5                9.4 +/-    7.35      24.9 +/-    7.35  0.100 / 0.080
G21     271.0          16.3                9.0 +/-    2.77      21.7 +/-    2.77  0.120 / 0.090
G25     238.7          52.6                8.0 +/-    3.73       9.8 +/-    3.73  0.180 / 0.420
G29     327.7          53.1                7.4 +/-    0.59       8.9 +/-    0.59  0.220 / 0.410