PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-07:42:50
G01     99.4           29.0                8.7 +/-    0.91      15.5 +/-    0.91  0.060 / 0.050
G07     117.1          51.3                9.9 +/-    0.52      12.2 +/-    0.52  0.050 / 0.080
G08     41.7           13.3                2.4 +/-    3.19       6.1 +/-    3.19  0.020 / 0.040
G11     78.8           41.3                8.3 +/-    0.63      11.8 +/-    0.63  0.040 / 0.040
G13     304.7          31.4                8.0 +/-    1.55      13.6 +/-    1.55  0.240 / 0.290
G17     208.9          47.1               11.3 +/-    0.79      14.7 +/-    0.79  0.210 / 0.200
G19     211.1          20.9                6.7 +/-    1.75      14.3 +/-    1.75  0.060 / 0.040
G28     334.0          61.8                7.5 +/-    0.64       8.4 +/-    0.64  0.040 / 0.040
G30     64.0           79.3                9.0 +/-    0.78       9.1 +/-    0.78  0.110 / 0.130