PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/22-21:13:00
G01     318.1          19.8                9.5 +/-    2.15      21.1 +/-    2.15  0.140 / 0.260
G08     254.9          11.9               11.9 +/-    2.48      31.7 +/-    2.48  0.200 / 0.230
G10     82.7           52.6               10.6 +/-    1.10      13.0 +/-    1.10  0.160 / 0.240
G11     301.1          24.3                9.7 +/-    1.60      19.2 +/-    1.60  0.160 / 0.270
G14     306.4          71.2               10.4 +/-    0.56      11.0 +/-    0.56  0.240 / 0.390
G18     104.2          26.3               10.9 +/-    1.64      20.6 +/-    1.64  0.050 / 0.070
G22     301.4          11.3                5.4 +/-   13.03      14.6 +/-   13.03  0.060 / 0.070
G25     98.5           9.4               -15.2 +/-   20.34     -43.0 +/-   20.34  0.040 / 0.040
G31     178.2          42.1               14.8 +/-    0.88      20.8 +/-    0.88  0.040 / 0.040
G32     8.0            66.8               10.0 +/-    0.63      10.8 +/-    0.63  0.020 / 0.020