PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-23:58:00
G02     35.7           53.2               11.4 +/-    1.13      13.9 +/-    1.13  0.030 / 0.040
G05     131.3          64.5               13.3 +/-    0.43      14.6 +/-    0.43  0.030 / 0.040
G06     55.6           12.9                9.8 +/-    2.63      25.7 +/-    2.63  0.030 / 0.030
G12     193.8          64.0               13.0 +/-    0.18      14.3 +/-    0.18  0.040 / 0.040
G19     101.6          9.7                14.4 +/-    1.61      40.3 +/-    1.61  0.050 / 0.050
G25     293.3          54.6               12.8 +/-    2.02      15.4 +/-    2.02  0.050 / 0.040
G29     308.7          29.0               11.5 +/-    1.19      20.5 +/-    1.19  0.110 / 0.170