PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-20:12:30
G02     264.4          79.3               16.3 +/-    0.68      16.6 +/-    0.68  0.100 / 0.160
G05     169.1          22.1               21.6 +/-    1.58      45.2 +/-    1.58  0.050 / 0.120
G06     40.2           50.3               14.6 +/-    0.62      18.3 +/-    0.62  0.020 / 0.050
G12     321.3          61.6               15.7 +/-    1.82      17.5 +/-    1.82  0.040 / 0.040
G17     76.0           19.0               14.4 +/-    0.61      32.4 +/-    0.61  0.030 / 0.030
G19     61.7           36.8               15.1 +/-    0.57      23.3 +/-    0.57  0.030 / 0.050
G24     237.6          30.7               17.3 +/-    1.51      29.9 +/-    1.51  0.070 / 0.130
G25     317.5          18.0               15.6 +/-    2.96      36.0 +/-    2.96  0.070 / 0.140