PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/16-21:42:30
G01     129.3          9.9               -12.5 +/-   37.40     -34.9 +/-   37.40  0.160 / 0.480
G07     42.5           69.8               15.5 +/-    0.98      16.4 +/-    0.98  0.280 / 0.320
G08     55.1           45.0               14.0 +/-    0.71      18.9 +/-    0.71  0.140 / 0.110
G09     179.4          40.1               16.0 +/-    1.09      23.2 +/-    1.09  0.120 / 0.100
G11     124.4          32.9               16.6 +/-    1.28      27.4 +/-    1.28  0.030 / 0.030
G28     272.6          51.8               15.7 +/-    2.57      19.4 +/-    2.57  0.030 / 0.020
G30     334.1          60.7               13.5 +/-    0.32      15.2 +/-    0.32  0.210 / 0.230