PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-04:12:40
G07     327.6          56.4                4.5 +/-    0.73       5.3 +/-    0.73  0.150 / 0.130
G08     107.8          50.1                6.1 +/-    0.43       7.7 +/-    0.43  0.110 / 0.140
G09     189.4          76.8                6.4 +/-    0.61       6.6 +/-    0.61  0.180 / 0.430
G11     150.6          10.6               -2.5 +/-   20.05      -7.0 +/-   20.05  0.230 / 0.560
G23     153.7          46.5                6.5 +/-    0.68       8.6 +/-    0.68  0.040 / 0.060
G27     60.1           33.8                5.3 +/-    1.12       8.6 +/-    1.12  0.060 / 0.060
G28     232.0          18.3                7.4 +/-    5.29      17.0 +/-    5.29  0.040 / 0.060
G30     296.8          29.8                4.3 +/-    1.32       7.5 +/-    1.32  0.050 / 0.050