PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-22:12:00
G02     42.8           47.2               13.9 +/-    0.51      18.2 +/-    0.51  0.030 / 0.040
G05     108.1          69.0               16.2 +/-    0.73      17.2 +/-    0.73  0.030 / 0.040
G12     187.0          52.4               17.9 +/-    1.89      21.9 +/-    1.89  0.040 / 0.060
G25     274.9          58.3               16.9 +/-    0.72      19.5 +/-    0.72  0.040 / 0.050
G29     314.8          36.0               14.9 +/-    1.06      23.2 +/-    1.06  0.040 / 0.070