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                5.0 +/-    0.36       5.6 +/-    0.36  0.100 / 0.180
G08     89.3           52.1                5.0 +/-    0.46       6.1 +/-    0.46  0.120 / 0.140
G09     185.9          68.7                7.1 +/-    0.20       7.5 +/-    0.20  0.040 / 0.030
G11     142.3          15.7                5.8 +/-    1.69      14.3 +/-    1.69  0.030 / 0.040
G23     157.4          38.2                8.2 +/-    0.66      12.3 +/-    0.66  0.060 / 0.040
G27     50.2           28.2                3.5 +/-    2.44       6.4 +/-    2.44  0.040 / 0.050
G28     241.6          33.9                7.3 +/-    1.56      11.8 +/-    1.56  0.030 / 0.020
G30     306.0          38.6                3.7 +/-    1.56       5.6 +/-    1.56  0.020 / 0.020