PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-22:43:10
G01     237.3          27.2                8.4 +/-    2.46      15.6 +/-    2.46  0.060 / 0.110
G03     310.1          56.0                5.7 +/-    1.02       6.7 +/-    1.02  0.060 / 0.120
G14     73.8           32.4                5.7 +/-    0.85       9.6 +/-    0.85  0.030 / 0.030
G16     156.3          30.7                9.0 +/-    2.15      15.6 +/-    2.15  0.030 / 0.040
G22     272.0          74.5                5.8 +/-    0.71       5.9 +/-    0.71  0.070 / 0.130
G23     295.8          26.1                7.3 +/-    1.60      14.0 +/-    1.60  0.080 / 0.160
G26     123.5          47.9                8.5 +/-    1.17      11.0 +/-    1.17  0.060 / 0.140
G31     40.5           47.8                4.7 +/-    0.41       6.0 +/-    0.41  0.060 / 0.170
G32     88.1           15.0                6.5 +/-    0.91      16.1 +/-    0.91  0.040 / 0.060