PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-06:28:10
G01     125.4          13.0                4.5 +/-    1.66      11.7 +/-    1.66  0.040 / 0.080
G07     61.3           68.5                4.2 +/-    0.55       4.4 +/-    0.55  0.050 / 0.070
G08     48.7           37.0                2.9 +/-    0.70       4.4 +/-    0.70  0.030 / 0.040
G09     177.7          33.8                6.9 +/-    2.04      11.2 +/-    2.04  0.030 / 0.030
G11     115.5          35.5                6.9 +/-    1.02      10.9 +/-    1.02  0.040 / 0.060
G13     321.2          11.8               -2.6 +/-   12.50      -7.0 +/-   12.50  0.040 / 0.060
G17     199.7          18.5                5.7 +/-    1.51      13.0 +/-    1.51  0.100 / 0.160
G28     280.5          54.4                5.5 +/-    0.68       6.6 +/-    0.68  0.090 / 0.180
G30     336.2          62.3                4.3 +/-    0.54       4.8 +/-    0.54  0.070 / 0.080