PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-19:57:30
G02     200.3          19.8               17.1 +/-    2.84      37.8 +/-    2.84  0.080 / 0.120
G06     169.7          53.9               17.2 +/-    0.44      20.7 +/-    0.44  0.070 / 0.110
G13     227.9          13.6               16.5 +/-    4.98      42.4 +/-    4.98  0.150 / 0.380
G17     17.3           62.2               13.5 +/-    0.52      15.0 +/-    0.52  0.150 / 0.330
G19     313.2          70.7               13.1 +/-    0.70      13.8 +/-    0.70  0.050 / 0.030
G24     310.3          29.4               13.1 +/-    1.92      23.2 +/-    1.92  0.040 / 0.030
G28     87.1           40.1               13.1 +/-    1.67      19.0 +/-    1.67  0.040 / 0.030
G30     157.0          15.3               16.8 +/-    1.44      41.5 +/-    1.44  0.030 / 0.030