PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-04:57:40
G07     330.6          57.6                3.2 +/-    0.71       3.7 +/-    0.71  0.080 / 0.110
G08     105.5          50.9                6.4 +/-    1.32       8.0 +/-    1.32  0.090 / 0.120
G09     188.0          75.2                4.7 +/-    1.06       4.8 +/-    1.06  0.030 / 0.050
G11     149.2          11.8                4.3 +/-    2.80      11.5 +/-    2.80  0.030 / 0.050
G23     154.3          44.2                5.5 +/-    0.57       7.5 +/-    0.57  0.160 / 0.380
G27     58.2           33.0                4.0 +/-    0.86       6.6 +/-    0.86  0.190 / 0.410
G28     233.2          20.0                7.2 +/-    3.96      15.9 +/-    3.96  0.050 / 0.070
G30     298.4          31.3                3.5 +/-    1.68       6.0 +/-    1.68  0.040 / 0.060