PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/26-04:28:00
G07     349.7          63.0                4.4 +/-    0.40       4.9 +/-    0.40  0.080 / 0.080
G08     81.7           52.0                4.6 +/-    0.78       5.7 +/-    0.78  0.080 / 0.110
G09     183.6          63.8                5.0 +/-    0.56       5.5 +/-    0.56  0.040 / 0.030
G11     139.5          18.6                7.5 +/-    1.87      17.1 +/-    1.87  0.030 / 0.030
G23     158.5          33.3                6.1 +/-    1.23      10.1 +/-    1.23  0.040 / 0.040
G27     46.9           25.3                4.1 +/-    2.09       7.9 +/-    2.09  0.040 / 0.040
G28     245.8          37.3                4.7 +/-    1.90       7.1 +/-    1.90  0.030 / 0.030
G30     310.0          42.0                3.4 +/-    1.08       4.9 +/-    1.08  0.030 / 0.030