PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/20-02:58:00
G01     315.5          24.7                5.8 +/-    1.38      11.4 +/-    1.38  0.320 / 0.340
G10     92.0           47.9               10.1 +/-    0.81      13.1 +/-    0.81  0.300 / 0.270
G11     294.0          26.8                6.9 +/-    2.16      13.0 +/-    2.16  0.130 / 0.190
G14     320.9          70.7                8.9 +/-    0.65       9.4 +/-    0.65  0.070 / 0.180
G18     295.0          45.9                8.6 +/-    2.87      11.5 +/-    2.87  0.100 / 0.210
G20     97.2           56.0               13.3 +/-    1.20      15.7 +/-    1.20  0.120 / 0.160
G22     304.7          15.7                7.2 +/-    4.10      17.7 +/-    4.10  0.040 / 0.050
G25     92.9           12.0                7.8 +/-    1.52      20.7 +/-    1.52  0.040 / 0.040
G31     170.8          53.4               10.6 +/-    0.60      12.9 +/-    0.60  0.140 / 0.250
G32     24.5           59.9                8.1 +/-    0.88       9.2 +/-    0.88  0.140 / 0.190