PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/16-08:58:10
G07     330.2          57.5                1.9 +/-    0.65       2.2 +/-    0.65  0.040 / 0.080
G09     202.2          78.8                3.4 +/-    0.76       3.4 +/-    0.76  0.040 / 0.080
G11     149.2          10.8               -1.8 +/-   18.96      -4.8 +/-   18.96  0.110 / 0.430
G16     45.6           10.1                1.7 +/-    3.23       4.7 +/-    3.23  0.120 / 0.320
G23     152.6          43.9                5.3 +/-    0.65       7.2 +/-    0.65  0.200 / 0.610
G27     60.7           34.2                2.6 +/-    0.95       4.2 +/-    0.95  0.180 / 0.540
G28     232.1          19.4                5.1 +/-    2.07      11.4 +/-    2.07  0.030 / 0.040
G30     298.0          31.9                2.6 +/-    1.64       4.4 +/-    1.64  0.030 / 0.050