PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-05:28:00
G07     345.7          61.9                4.1 +/-    0.57       4.6 +/-    0.57  0.080 / 0.080
G08     85.5           52.0                6.6 +/-    1.19       8.1 +/-    1.19  0.090 / 0.110
G09     184.2          66.2                6.7 +/-    0.71       7.2 +/-    0.71  0.030 / 0.040
G11     140.8          17.0                4.9 +/-    1.52      11.5 +/-    1.52  0.030 / 0.030
G23     157.9          36.1                7.1 +/-    0.66      11.0 +/-    0.66  0.040 / 0.030
G27     48.6           26.9                2.9 +/-    1.22       5.3 +/-    1.22  0.040 / 0.050
G28     243.4          35.4                7.1 +/-    2.16      11.1 +/-    2.16  0.030 / 0.030
G30     307.6          39.8                4.4 +/-    1.50       6.5 +/-    1.50  0.030 / 0.030