PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-22:43:00
G02     60.6           31.7                9.5 +/-    0.98      16.0 +/-    0.98  0.110 / 0.380
G05     55.1           58.9               10.6 +/-    1.11      12.2 +/-    1.11  0.110 / 0.330
G12     185.2          32.6               13.8 +/-    1.11      23.0 +/-    1.11  0.050 / 0.070
G13     125.5          16.1               13.3 +/-    1.76      32.2 +/-    1.76  0.060 / 0.070
G15     162.1          14.2               15.2 +/-    1.78      38.5 +/-    1.78  0.060 / 0.100
G21     273.0          18.0                5.9 +/-    3.18      13.7 +/-    3.18  0.060 / 0.110
G25     234.9          50.9               12.4 +/-    0.91      15.4 +/-    0.91  0.110 / 0.110
G29     331.4          57.6               10.4 +/-    0.79      12.1 +/-    0.79  0.070 / 0.120