PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-16:12:50
G07     44.7           69.8               14.2 +/-    0.54      15.0 +/-    0.54  0.030 / 0.060
G08     53.1           42.6               13.4 +/-    0.25      18.6 +/-    0.25  0.040 / 0.060
G09     178.1          38.1               15.9 +/-    0.73      23.9 +/-    0.73  0.030 / 0.040
G11     121.3          33.9               15.8 +/-    1.52      25.6 +/-    1.52  0.030 / 0.040
G17     200.4          10.9                2.9 +/-   34.34       7.9 +/-   34.34  0.250 / 0.440
G18     106.1          15.5               15.5 +/-    1.32      38.1 +/-    1.32  0.320 / 0.390
G28     273.0          51.8               14.3 +/-    0.79      17.7 +/-    0.79  0.030 / 0.050
G30     330.8          58.9               12.1 +/-    0.63      13.9 +/-    0.63  0.040 / 0.050