PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-04:58:10
G07     341.9          60.8                4.6 +/-    0.88       5.2 +/-    0.88  0.120 / 0.160
G08     89.3           52.1                4.6 +/-    0.78       5.6 +/-    0.78  0.100 / 0.150
G09     185.9          68.7                6.7 +/-    1.24       7.2 +/-    1.24  0.060 / 0.040
G11     142.3          15.7                7.0 +/-    0.99      17.0 +/-    0.99  0.050 / 0.050
G23     157.4          38.2                8.7 +/-    0.78      13.1 +/-    0.78  0.040 / 0.040
G28     241.6          33.9                8.6 +/-    2.06      14.0 +/-    2.06  0.040 / 0.040
G30     306.0          38.6                3.5 +/-    1.04       5.2 +/-    1.04  0.030 / 0.030