PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-05:58:00
G07     314.1          50.3                6.0 +/-    0.85       7.5 +/-    0.85  0.110 / 0.160
G08     118.4          44.8                7.2 +/-    0.98       9.8 +/-    0.98  0.110 / 0.170
G09     209.3          84.5                5.3 +/-    0.46       5.3 +/-    0.46  0.040 / 0.050
G16     42.9           18.4                2.3 +/-    4.14       5.3 +/-    4.14  0.040 / 0.040
G23     149.0          59.5                8.1 +/-    1.01       9.3 +/-    1.01  0.070 / 0.050
G27     73.9           37.6                7.5 +/-    1.66      11.4 +/-    1.66  0.060 / 0.050
G28     226.8          16.0                5.3 +/-    8.14      12.8 +/-    8.14  0.140 / 0.300
G30     289.2          24.0                7.1 +/-    2.52      14.2 +/-    2.52  0.120 / 0.300