PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-21:57:40
G02     229.8          71.2               12.2 +/-    1.14      12.8 +/-    1.14  0.030 / 0.070
G05     173.1          12.3               23.8 +/-    3.54      63.2 +/-    3.54  0.040 / 0.070
G06     42.8           62.6               12.7 +/-    0.95      14.1 +/-    0.95  0.080 / 0.100
G12     321.5          48.0               11.7 +/-    1.08      15.1 +/-    1.08  0.070 / 0.100
G17     65.5           27.3               10.2 +/-    0.56      18.9 +/-    0.56  0.050 / 0.110
G19     50.1           43.5               11.2 +/-    0.37      15.4 +/-    0.37  0.050 / 0.110
G24     250.5          37.5               15.7 +/-    1.30      23.8 +/-    1.30  0.130 / 0.210