PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/19-09:27:50
G08     272.3          20.3                4.5 +/-    2.16       9.7 +/-    2.16  0.030 / 0.040
G10     52.4           59.5                2.6 +/-    0.86       3.0 +/-    0.86  0.030 / 0.030
G14     255.8          63.7                3.8 +/-    0.88       4.2 +/-    0.88  0.100 / 0.370
G18     314.4          29.2                6.5 +/-    1.59      11.6 +/-    1.59  0.110 / 0.360
G20     90.1           40.0                4.6 +/-    0.73       6.6 +/-    0.73  0.080 / 0.130
G21     153.5          19.0                4.9 +/-    2.18      11.0 +/-    2.18  0.110 / 0.180
G24     41.6           12.7                1.0 +/-    1.60       2.6 +/-    1.60  0.140 / 0.150
G27     237.5          20.1                6.5 +/-    1.48      14.3 +/-    1.48  0.120 / 0.160
G31     179.9          24.2                4.9 +/-    1.32       9.8 +/-    1.32  0.050 / 0.070
G32     296.7          74.4                5.3 +/-    0.75       5.5 +/-    0.75  0.040 / 0.070