PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/23-23:43:10
G08     269.2          19.6                8.8 +/-    2.66      19.6 +/-    2.66  0.110 / 0.260
G10     55.1           59.4                9.1 +/-    0.78      10.4 +/-    0.78  0.110 / 0.280
G14     258.7          63.6                9.2 +/-    1.03      10.2 +/-    1.03  0.140 / 0.360
G18     313.7          29.9               10.8 +/-    1.93      18.9 +/-    1.93  0.160 / 0.360
G20     91.9           38.9                9.9 +/-    0.61      14.7 +/-    0.61  0.040 / 0.060
G21     154.1          18.5               12.3 +/-    2.94      28.2 +/-    2.94  0.040 / 0.050
G24     40.0           10.3                7.0 +/-    2.33      19.4 +/-    2.33  0.160 / 0.320
G27     235.5          18.5               13.7 +/-    1.86      31.2 +/-    1.86  0.130 / 0.330
G31     178.7          27.1               12.6 +/-    1.02      23.4 +/-    1.02  0.100 / 0.260
G32     330.3          75.5               10.1 +/-    0.57      10.4 +/-    0.57  0.130 / 0.270