PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-23:57:50
G01     318.0          20.5                6.5 +/-    5.91      14.2 +/-    5.91  0.160 / 0.370
G08     253.2          11.6                6.9 +/-    2.21      18.5 +/-    2.21  0.140 / 0.300
G10     84.7           51.0                8.0 +/-    1.04       9.9 +/-    1.04  0.040 / 0.050
G11     299.3          25.0                8.2 +/-    1.86      16.0 +/-    1.86  0.040 / 0.060
G14     305.5          71.0                7.5 +/-    1.09       7.9 +/-    1.09  0.150 / 0.290
G18     300.6          43.6                7.3 +/-    1.44      10.0 +/-    1.44  0.140 / 0.300
G20     108.0          26.9                9.0 +/-    2.03      16.8 +/-    2.03  0.140 / 0.410
G22     302.2          11.9                6.7 +/-    3.90      17.9 +/-    3.90  0.130 / 0.450
G31     175.0          45.6               10.6 +/-    1.90      14.1 +/-    1.90  0.080 / 0.210
G32     15.1           64.6                6.4 +/-    0.75       7.0 +/-    0.75  0.080 / 0.240