PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-18:12:50
G01     77.3           33.3               13.9 +/-    1.37      22.7 +/-    1.37  0.070 / 0.180
G07     134.1          36.3               16.9 +/-    0.36      26.1 +/-    0.36  0.100 / 0.200
G11     58.2           34.7               13.5 +/-    1.06      21.6 +/-    1.06  0.040 / 0.060
G13     281.5          37.8               13.6 +/-    1.35      20.6 +/-    1.35  0.040 / 0.060
G15     308.0          13.4               10.5 +/-    2.55      27.0 +/-    2.55  0.030 / 0.030
G17     225.0          61.7               16.8 +/-    1.23      18.8 +/-    1.23  0.040 / 0.020
G18     53.7           20.8               13.4 +/-    5.55      28.8 +/-    5.55  0.260 / 0.280
G19     220.5          35.1               18.2 +/-    1.45      28.8 +/-    1.45  0.500 / 0.330
G28     10.0           60.4               15.3 +/-    1.58      17.3 +/-    1.58  0.070 / 0.090
G30     128.8          66.7               16.7 +/-    0.59      18.0 +/-    0.59  0.100 / 0.100