PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-05:27:40
G07     349.1          62.8                3.8 +/-    1.07       4.2 +/-    1.07  0.060 / 0.130
G08     82.3           51.9                7.1 +/-    0.65       8.8 +/-    0.65  0.060 / 0.140
G09     183.2          64.2                7.0 +/-    1.05       7.7 +/-    1.05  0.040 / 0.040
G11     139.5          18.2                5.4 +/-    2.58      12.3 +/-    2.58  0.040 / 0.050
G23     158.4          34.2                6.5 +/-    0.84      10.5 +/-    0.84  0.030 / 0.040
G27     47.3           25.7                4.8 +/-    0.75       9.1 +/-    0.75  0.030 / 0.050
G28     245.2          36.8                6.5 +/-    0.74      10.0 +/-    0.74  0.040 / 0.040
G30     309.2          41.1                3.7 +/-    1.52       5.3 +/-    1.52  0.030 / 0.040