PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/19-08:42:40
G08     293.6          23.2                4.5 +/-    1.40       9.2 +/-    1.40  0.030 / 0.030
G10     9.0            62.8                2.2 +/-    0.65       2.5 +/-    0.65  0.030 / 0.040
G14     229.0          46.8                6.4 +/-    0.98       8.4 +/-    0.98  0.040 / 0.090
G18     317.7          11.2               -5.4 +/-   18.60     -14.7 +/-   18.60  0.040 / 0.120
G20     65.0           52.3                3.5 +/-    0.89       4.3 +/-    0.89  0.090 / 0.110
G21     146.1          39.1                5.6 +/-    1.21       8.3 +/-    1.21  0.100 / 0.110
G24     55.6           24.9                2.3 +/-    1.38       4.6 +/-    1.38  0.060 / 0.120
G27     256.7          32.2                6.7 +/-    1.63      11.3 +/-    1.63  0.060 / 0.130
G32     241.2          62.3                6.5 +/-    0.59       7.2 +/-    0.59  0.080 / 0.070