PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-17:27:50
G01     88.8           32.2               10.1 +/-    0.71      17.0 +/-    0.71  0.030 / 0.030
G07     126.6          44.8               12.1 +/-    1.19      16.3 +/-    1.19  0.030 / 0.040
G11     67.7           39.6                9.1 +/-    0.51      13.4 +/-    0.51  0.040 / 0.060
G13     293.2          36.3               10.9 +/-    1.26      16.8 +/-    1.26  0.040 / 0.060
G17     215.8          52.7               12.5 +/-    1.92      15.3 +/-    1.92  0.040 / 0.060
G18     62.7           23.7                8.4 +/-    0.84      17.0 +/-    0.84  0.040 / 0.060
G19     215.4          26.2               10.7 +/-    3.36      20.3 +/-    3.36  0.060 / 0.100
G28     351.6          61.7                8.9 +/-    0.76      10.0 +/-    0.76  0.060 / 0.110
G30     108.2          75.1               10.2 +/-    0.82      10.6 +/-    0.82  0.060 / 0.160