PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-23:12:40
G01     242.3          30.7                8.5 +/-    2.55      14.7 +/-    2.55  0.110 / 0.160
G03     313.6          50.7                6.2 +/-    0.78       7.7 +/-    0.78  0.070 / 0.190
G14     68.5           35.7                6.8 +/-    1.67      10.6 +/-    1.67  0.050 / 0.090
G16     158.8          25.8               11.5 +/-    1.70      22.1 +/-    1.70  0.090 / 0.100
G22     289.9          71.7                6.1 +/-    0.56       6.4 +/-    0.56  0.060 / 0.040
G23     291.9          22.7                9.0 +/-    2.37      18.6 +/-    2.37  0.060 / 0.040
G26     129.5          44.2               10.2 +/-    0.72      13.9 +/-    0.72  0.100 / 0.140
G31     40.1           52.5                7.1 +/-    0.82       8.7 +/-    0.82  0.110 / 0.120
G32     83.9           18.0                6.9 +/-    2.12      15.9 +/-    2.12  0.040 / 0.030