PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-07:27:50
G01     69.3           32.7                6.6 +/-    0.84      10.9 +/-    0.84  0.040 / 0.040
G07     138.0          28.3                8.5 +/-    0.84      15.5 +/-    0.84  0.030 / 0.040
G11     51.7           28.6                4.2 +/-    0.91       7.5 +/-    0.91  0.080 / 0.100
G13     272.3          37.7                7.9 +/-    1.00      12.0 +/-    1.00  0.070 / 0.100
G15     303.8          14.1                2.4 +/-    1.50       6.2 +/-    1.50  0.060 / 0.070
G17     237.2          72.9                8.9 +/-    0.68       9.2 +/-    0.68  0.070 / 0.070
G18     46.2           15.9                3.7 +/-    1.19       9.0 +/-    1.19  0.070 / 0.110
G19     224.7          40.1                8.0 +/-    1.58      11.6 +/-    1.58  0.080 / 0.130
G28     18.7           59.6                7.0 +/-    0.64       8.0 +/-    0.64  0.150 / 0.420
G30     137.1          62.4                9.6 +/-    1.13      10.7 +/-    1.13  0.150 / 0.420