PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-05:28:00
G07     342.5          61.0                1.0 +/-    0.36       1.1 +/-    0.36  0.080 / 0.140
G08     88.7           52.0                2.9 +/-    1.49       3.5 +/-    1.49  0.090 / 0.120
G09     185.4          68.3                3.6 +/-    0.17       3.8 +/-    0.17  0.030 / 0.030
G11     142.0          15.8                4.1 +/-    3.31      10.0 +/-    3.31  0.030 / 0.030
G23     157.4          38.1                5.0 +/-    0.91       7.5 +/-    0.91  0.050 / 0.040
G27     50.1           28.1               -0.1 +/-    1.98      -0.1 +/-    1.98  0.050 / 0.040
G28     241.7          34.0                4.1 +/-    0.86       6.7 +/-    0.86  0.030 / 0.030
G30     306.0          38.5               -0.1 +/-    1.46      -0.1 +/-    1.46  0.030 / 0.030