PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-22:43:00
G01     306.8          33.7                6.8 +/-    2.17      11.0 +/-    2.17  0.080 / 0.150
G10     106.8          39.0               10.5 +/-    0.61      15.5 +/-    0.61  0.100 / 0.150
G11     279.7          28.4                8.2 +/-    1.28      14.9 +/-    1.28  0.070 / 0.120
G14     358.3          66.7                8.7 +/-    0.93       9.4 +/-    0.93  0.070 / 0.110
G18     273.4          50.8                7.7 +/-    1.87       9.7 +/-    1.87  0.040 / 0.040
G20     120.8          13.6               12.2 +/-    2.75      31.3 +/-    2.75  0.060 / 0.050
G22     309.9          25.4                7.4 +/-    2.93      14.3 +/-    2.93  0.110 / 0.320
G25     77.9           15.9                7.4 +/-    1.22      18.0 +/-    1.22  0.110 / 0.250
G31     167.9          64.8               10.2 +/-    1.29      11.1 +/-    1.29  0.070 / 0.210
G32     37.2           51.8                8.3 +/-    0.80      10.3 +/-    0.80  0.070 / 0.180