PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-19:57:40
G08     308.1          19.7                8.9 +/-    1.06      19.7 +/-    1.06  0.050 / 0.060
G10     332.3          60.0                7.9 +/-    0.34       8.9 +/-    0.34  0.050 / 0.060
G14     218.7          32.5               11.4 +/-    1.66      19.0 +/-    1.66  0.050 / 0.050
G18     42.0           58.3                9.6 +/-    0.78      11.0 +/-    0.78  0.050 / 0.050
G21     134.9          52.2               10.8 +/-    0.77      13.3 +/-    0.77  0.080 / 0.080
G24     74.3           30.5                9.0 +/-    0.84      15.6 +/-    0.84  0.050 / 0.070
G27     271.8          37.4                9.5 +/-    2.75      14.4 +/-    2.75  0.120 / 0.090
G32     224.4          51.1               11.5 +/-    2.28      14.3 +/-    2.28  0.110 / 0.060