PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/09-05:57:30
G07     316.4          51.4                5.3 +/-    0.92       6.6 +/-    0.92  0.120 / 0.190
G08     115.9          46.0               10.0 +/-    0.62      13.4 +/-    0.62  0.130 / 0.130
G09     197.7          82.9                6.4 +/-    1.18       6.4 +/-    1.18  0.040 / 0.060
G16     43.3           16.8                2.2 +/-    3.07       5.3 +/-    3.07  0.030 / 0.050
G23     150.2          57.5                8.2 +/-    0.62       9.5 +/-    0.62  0.070 / 0.070
G27     71.5           37.3                7.5 +/-    1.06      11.5 +/-    1.06  0.080 / 0.060
G28     227.9          17.6                5.3 +/-    5.18      12.3 +/-    5.18  0.130 / 0.430
G30     290.7          25.1                5.2 +/-    1.57      10.2 +/-    1.57  0.210 / 0.310