PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/25-09:12:50
G08     268.2          18.8                7.0 +/-    2.46      15.9 +/-    2.46  0.160 / 0.420
G10     60.6           57.8                5.1 +/-    0.58       5.9 +/-    0.58  0.210 / 0.500
G14     264.8          66.4                5.4 +/-    1.09       5.9 +/-    1.09  0.110 / 0.160
G18     312.4          32.8                4.0 +/-    1.63       6.7 +/-    1.63  0.130 / 0.250
G20     94.6           37.1                6.8 +/-    0.83      10.4 +/-    0.83  0.030 / 0.030
G21     154.4          15.1                7.2 +/-    2.88      17.9 +/-    2.88  0.030 / 0.030
G24     39.8           9.7                 2.0 +/-    0.85       5.7 +/-    0.85  0.040 / 0.060
G27     234.0          17.2                7.1 +/-    0.76      16.7 +/-    0.76  0.040 / 0.060
G31     178.9          28.7                5.7 +/-    1.45      10.2 +/-    1.45  0.110 / 0.410
G32     315.4          74.6                5.3 +/-    0.66       5.5 +/-    0.66  0.070 / 0.360