PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-04:12:40
G07     330.2          57.4                2.7 +/-    0.52       3.2 +/-    0.52  0.110 / 0.110
G08     104.6          50.8                6.9 +/-    0.78       8.6 +/-    0.78  0.080 / 0.110
G09     186.3          74.8                6.1 +/-    1.22       6.2 +/-    1.22  0.050 / 0.080
G11     149.5          11.7                5.3 +/-    1.47      14.3 +/-    1.47  0.050 / 0.060
G23     154.5          44.5                6.3 +/-    0.87       8.5 +/-    0.87  0.040 / 0.050
G27     58.1           33.0                5.0 +/-    1.04       8.2 +/-    1.04  0.030 / 0.050
G28     233.2          19.8                5.5 +/-    2.84      12.1 +/-    2.84  0.170 / 0.350
G30     298.2          31.0                2.0 +/-    1.12       3.5 +/-    1.12  0.140 / 0.310