PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-02:12:30
G02     64.6           28.0                9.5 +/-    0.98      17.3 +/-    0.98  0.080 / 0.130
G05     50.8           54.5                9.9 +/-    0.44      11.8 +/-    0.44  0.080 / 0.120
G12     184.9          28.7               14.7 +/-    1.06      26.5 +/-    1.06  0.220 / 0.260
G13     122.3          18.9               13.4 +/-    1.45      30.3 +/-    1.45  0.280 / 0.280
G15     159.5          17.7               14.4 +/-    1.65      33.4 +/-    1.65  0.100 / 0.090
G21     276.9          21.8               10.4 +/-    0.60      21.9 +/-    0.60  0.090 / 0.090
G25     228.1          47.5               13.9 +/-    3.19      18.1 +/-    3.19  0.030 / 0.030
G29     337.0          63.6               11.9 +/-    0.67      13.1 +/-    0.67  0.030 / 0.030