PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-20:43:00
G02     205.9          42.2               20.1 +/-    1.49      28.2 +/-    1.49  0.080 / 0.120
G06     136.7          76.5               18.3 +/-    0.65      18.8 +/-    0.65  0.080 / 0.160
G12     311.9          22.4               13.3 +/-    2.43      27.6 +/-    2.43  0.070 / 0.090
G17     41.0           45.6               14.0 +/-    0.39      18.8 +/-    0.39  0.050 / 0.080
G19     11.6           61.8               15.1 +/-    0.37      16.9 +/-    0.37  0.040 / 0.070
G24     288.5          41.3               16.1 +/-    1.09      23.0 +/-    1.09  0.030 / 0.050
G28     109.4          26.1               17.0 +/-    1.09      32.5 +/-    1.09  0.110 / 0.180