PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/19-03:42:40
G01     318.4          19.1                9.1 +/-    1.62      20.6 +/-    1.62  0.030 / 0.030
G08     254.7          12.5               11.4 +/-    1.06      30.1 +/-    1.06  0.030 / 0.040
G10     80.6           53.5                9.1 +/-    0.70      11.0 +/-    0.70  0.130 / 0.410
G11     300.3          25.4               10.0 +/-    1.48      19.3 +/-    1.48  0.140 / 0.290
G14     306.0          71.6                9.2 +/-    0.55       9.6 +/-    0.55  0.160 / 0.240
G18     102.2          29.3                8.6 +/-    1.18      15.3 +/-    1.18  0.160 / 0.280
G22     301.0          11.6                8.0 +/-    6.41      21.5 +/-    6.41  0.060 / 0.050
G31     176.5          42.6               12.3 +/-    1.27      17.2 +/-    1.27  0.070 / 0.060
G32     5.7            67.6               10.0 +/-    0.53      10.7 +/-    0.53  0.050 / 0.060