PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-19:58:00
G02     201.9          28.8               17.5 +/-    1.50      31.4 +/-    1.50  0.060 / 0.120
G06     163.4          64.2               16.8 +/-    1.51      18.5 +/-    1.51  0.060 / 0.130
G12     305.0          12.6               10.9 +/-    2.31      28.6 +/-    2.31  0.040 / 0.050
G17     28.5           54.9               12.2 +/-    0.75      14.6 +/-    0.75  0.040 / 0.050
G19     341.9          68.6               13.2 +/-    0.80      14.1 +/-    0.80  0.050 / 0.120
G24     303.0          35.6               13.4 +/-    0.97      21.1 +/-    0.97  0.050 / 0.110
G28     97.1           34.6               12.2 +/-    1.02      19.5 +/-    1.02  0.050 / 0.040