PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-19:13:10
G01     44.3           20.4               11.0 +/-    1.03      24.1 +/-    1.03  0.090 / 0.180
G06     175.1          34.4               17.7 +/-    1.14      28.4 +/-    1.14  0.080 / 0.220
G13     242.6          25.6               16.3 +/-    1.63      31.4 +/-    1.63  0.170 / 0.330
G15     277.1          13.7               14.8 +/-    1.25      38.0 +/-    1.25  0.180 / 0.360
G17     339.4          75.2               15.0 +/-    0.58      15.5 +/-    0.58  0.020 / 0.030
G19     260.3          64.1               14.4 +/-    0.59      15.9 +/-    0.59  0.030 / 0.030
G24     317.9          15.3               11.0 +/-    1.83      27.1 +/-    1.83  0.060 / 0.100
G28     64.3           49.4               13.6 +/-    1.10      17.3 +/-    1.10  0.060 / 0.120
G30     152.9          32.9               16.0 +/-    1.35      26.4 +/-    1.35  0.050 / 0.070