PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/21-23:12:40
G10     109.2          37.2               14.3 +/-    0.97      21.7 +/-    0.97  0.060 / 0.150
G11     276.9          28.2               12.5 +/-    1.12      22.7 +/-    1.12  0.080 / 0.140
G14     3.3            65.5               12.3 +/-    0.70      13.4 +/-    0.70  0.080 / 0.190
G18     269.4          50.8               12.7 +/-    1.72      15.9 +/-    1.72  0.070 / 0.180
G20     122.3          11.8               13.5 +/-    1.74      36.1 +/-    1.74  0.050 / 0.050
G22     310.7          27.4               10.3 +/-    1.18      19.1 +/-    1.18  0.070 / 0.050
G25     75.6           16.4               10.8 +/-    1.89      26.0 +/-    1.89  0.120 / 0.370
G31     164.8          67.8               15.8 +/-    0.79      16.9 +/-    0.79  0.120 / 0.300
G32     39.9           49.9               11.5 +/-    0.83      14.5 +/-    0.83  0.060 / 0.080