PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-19:12:30
G02     210.7          50.8               12.5 +/-    0.63      15.7 +/-    0.63  0.060 / 0.080
G06     85.3           78.3               11.8 +/-    0.75      12.1 +/-    0.75  0.060 / 0.080
G12     316.4          31.4               12.1 +/-    1.75      20.6 +/-    1.75  0.070 / 0.100
G17     50.1           38.2               10.0 +/-    0.45      15.0 +/-    0.45  0.060 / 0.120
G19     25.5           56.3               10.6 +/-    0.51      12.5 +/-    0.51  0.050 / 0.080
G24     275.3          42.8               11.9 +/-    0.96      16.6 +/-    0.96  0.060 / 0.070
G28     116.9          19.6               12.6 +/-    1.22      28.0 +/-    1.22  0.070 / 0.190