PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-00:28:10
G02     35.7           52.8               10.9 +/-    0.80      13.3 +/-    0.80  0.060 / 0.060
G05     131.6          64.3               13.4 +/-    0.82      14.7 +/-    0.82  0.050 / 0.060
G06     54.2           15.6                8.4 +/-    2.86      20.7 +/-    2.86  0.070 / 0.050
G12     201.1          67.3               12.6 +/-    0.73      13.5 +/-    0.73  0.070 / 0.050
G25     292.9          55.1               10.2 +/-    2.76      12.2 +/-    2.76  0.030 / 0.040
G29     310.5          32.6                9.5 +/-    1.21      15.7 +/-    1.21  0.040 / 0.030