PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-23:12:30
G02     28.5           59.2               11.8 +/-    0.70      13.4 +/-    0.70  0.030 / 0.050
G05     144.4          58.5               14.4 +/-    0.69      16.5 +/-    0.69  0.030 / 0.050
G06     51.7           18.3                8.7 +/-    1.04      20.0 +/-    1.04  0.040 / 0.060
G12     202.0          71.8               13.2 +/-    1.03      13.9 +/-    1.03  0.040 / 0.050
G19     95.7           14.3               11.6 +/-    1.43      29.4 +/-    1.43  0.030 / 0.050
G25     303.3          50.0               11.7 +/-    0.67      14.8 +/-    0.67  0.020 / 0.040
G29     303.6          23.6               11.1 +/-    1.48      22.5 +/-    1.48  0.080 / 0.200