PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-21:43:00
G01     320.1          14.2                7.6 +/-    2.03      19.2 +/-    2.03  0.130 / 0.350
G08     260.7          15.3               10.4 +/-    1.83      25.6 +/-    1.83  0.150 / 0.400
G10     71.7           56.2                8.2 +/-    0.74       9.7 +/-    0.74  0.120 / 0.300
G11     306.7          21.2                8.2 +/-    5.08      17.6 +/-    5.08  0.110 / 0.390
G14     285.6          69.9               10.4 +/-    0.70      11.0 +/-    0.70  0.060 / 0.100
G18     98.3           31.2               10.4 +/-    0.94      17.7 +/-    0.94  0.070 / 0.090
G27     225.9          11.2               12.5 +/-    4.70      34.0 +/-    4.70  0.050 / 0.050
G31     179.8          34.2               13.4 +/-    1.27      21.6 +/-    1.27  0.050 / 0.060
G32     351.3          71.3                9.1 +/-    0.91       9.6 +/-    0.91  0.030 / 0.060