PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-23:27:50
G02     53.6           37.3                9.5 +/-    0.70      14.4 +/-    0.70  0.240 / 0.470
G05     70.0           65.7                8.7 +/-    0.58       9.5 +/-    0.58  0.220 / 0.460
G12     187.6          42.6               11.1 +/-    1.77      15.6 +/-    1.77  0.050 / 0.060
G13     132.5          10.1               -5.7 +/-   26.00     -15.9 +/-   26.00  0.060 / 0.060
G21     265.8          12.7               10.0 +/-   10.48      26.3 +/-   10.48  0.050 / 0.110
G25     249.5          56.3               10.6 +/-    0.63      12.4 +/-    0.63  0.060 / 0.090
G29     325.4          49.7               10.8 +/-    0.95      13.6 +/-    0.95  0.050 / 0.060