PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/05-06:28:00
G07     27.5           68.7                4.3 +/-    0.44       4.6 +/-    0.44  0.130 / 0.110
G08     58.6           45.3                3.7 +/-    0.88       5.0 +/-    0.88  0.120 / 0.140
G09     178.9          46.1                6.9 +/-    0.81       9.2 +/-    0.81  0.050 / 0.040
G11     126.8          28.8                7.4 +/-    0.76      13.3 +/-    0.76  0.040 / 0.040
G23     160.9          17.9                5.5 +/-    1.23      12.8 +/-    1.23  0.030 / 0.030
G27     39.1           13.8                1.6 +/-    1.81       4.0 +/-    1.81  0.030 / 0.020
G28     263.5          48.0                5.2 +/-    3.84       6.8 +/-    3.84  0.050 / 0.060
G30     323.4          52.9                3.8 +/-    0.73       4.6 +/-    0.73  0.050 / 0.050