PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-23:43:00
G01     251.9          35.7                6.1 +/-    1.03       9.6 +/-    1.03  0.030 / 0.050
G03     316.0          42.0                5.2 +/-    2.23       7.3 +/-    2.23  0.030 / 0.040
G11     237.6          13.3                9.6 +/-    1.69      25.0 +/-    1.69  0.050 / 0.120
G14     60.1           40.7                5.3 +/-    0.83       7.6 +/-    0.83  0.080 / 0.110
G16     167.3          14.7               -7.1 +/-   15.23     -17.8 +/-   15.23  0.020 / 0.050
G22     306.3          64.4                5.2 +/-    1.36       5.7 +/-    1.36  0.030 / 0.040
G23     285.6          17.8                7.1 +/-    1.36      16.4 +/-    1.36  0.140 / 0.340
G26     140.7          36.2               10.9 +/-    0.73      17.0 +/-    0.73  0.070 / 0.110
G31     40.3           62.8                5.6 +/-    0.95       6.2 +/-    0.95  0.050 / 0.080
G32     75.9           24.8                7.2 +/-    0.78      14.0 +/-    0.78  0.060 / 0.110