PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-19:13:00
G01     319.1          18.2                7.2 +/-    1.16      16.4 +/-    1.16  0.030 / 0.050
G08     255.2          13.1               10.1 +/-    1.15      26.4 +/-    1.15  0.030 / 0.040
G10     80.4           52.5                7.9 +/-    0.83       9.6 +/-    0.83  0.120 / 0.200
G11     301.8          24.0                8.8 +/-    2.20      17.7 +/-    2.20  0.120 / 0.210
G14     298.8          71.1                8.3 +/-    0.90       8.7 +/-    0.90  0.170 / 0.430
G20     105.6          28.8                9.0 +/-    1.25      16.1 +/-    1.25  0.070 / 0.060
G22     300.8          10.0               -2.0 +/-    2.01      -5.7 +/-    2.01  0.090 / 0.050
G31     178.7          39.5               10.8 +/-    1.40      15.8 +/-    1.40  0.140 / 0.260
G32     6.3            67.8                8.2 +/-    0.81       8.8 +/-    0.81  0.270 / 0.370