PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-23:12:20
G02     40.7           48.4               10.7 +/-    1.19      13.8 +/-    1.19  0.050 / 0.060
G05     116.3          67.9               13.8 +/-    0.48      14.7 +/-    0.48  0.050 / 0.050
G06     58.0           10.3               10.2 +/-    1.81      28.1 +/-    1.81  0.060 / 0.050
G12     194.4          60.3               14.5 +/-    0.49      16.5 +/-    0.49  0.080 / 0.070
G25     282.1          57.5                5.2 +/-    3.16       6.0 +/-    3.16  0.040 / 0.040
G29     314.5          36.6               12.1 +/-    2.77      18.7 +/-    2.77  0.030 / 0.040