PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/14-22:27:50
G02     61.9           31.3               10.8 +/-    0.98      18.4 +/-    0.98  0.030 / 0.040
G05     53.6           57.7               11.3 +/-    0.66      13.1 +/-    0.66  0.030 / 0.050
G12     182.0          26.6               14.3 +/-    1.35      27.0 +/-    1.35  0.060 / 0.130
G13     125.1          17.7               14.7 +/-    2.53      34.3 +/-    2.53  0.060 / 0.140
G15     163.5          14.1               16.2 +/-    2.46      41.2 +/-    2.46  0.060 / 0.070
G21     273.9          18.7               11.8 +/-    1.71      26.8 +/-    1.71  0.050 / 0.080
G25     231.2          49.2               12.6 +/-    0.78      16.1 +/-    0.78  0.110 / 0.310
G29     329.7          56.9               11.4 +/-    0.57      13.3 +/-    0.57  0.090 / 0.260