PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-04:27:10
G02     48.8           41.1                3.9 +/-    0.97       5.6 +/-    0.97  0.150 / 0.330
G05     88.0           68.6                6.0 +/-    0.95       6.3 +/-    0.95  0.130 / 0.330
G12     190.3          50.4                6.9 +/-    0.61       8.7 +/-    0.61  0.040 / 0.050
G21     261.5          10.9               -5.2 +/-    7.61     -14.1 +/-    7.61  0.040 / 0.050
G25     259.4          58.8                7.6 +/-    0.96       8.7 +/-    0.96  0.030 / 0.050
G29     323.6          47.5                5.0 +/-    0.62       6.5 +/-    0.62  0.040 / 0.040