PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-23:57:20
G02     25.3           61.8               10.7 +/-    1.05      11.9 +/-    1.05  0.020 / 0.030
G05     148.5          55.2               14.4 +/-    0.65      17.1 +/-    0.65  0.020 / 0.030
G06     49.8           21.3                8.5 +/-    0.67      18.1 +/-    0.67  0.040 / 0.050
G12     212.7          75.7               13.0 +/-    0.66      13.4 +/-    0.66  0.040 / 0.040
G19     92.7           16.3               11.5 +/-    1.13      27.7 +/-    1.13  0.050 / 0.050
G25     307.2          46.9               12.1 +/-    1.42      15.9 +/-    1.42  0.050 / 0.070
G29     301.1          21.2               13.0 +/-    1.55      27.8 +/-    1.55  0.080 / 0.240