PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-10:57:40
G08     273.6          21.0                8.4 +/-    1.71      18.0 +/-    1.71  0.110 / 0.270
G10     48.5           60.1                6.6 +/-    0.86       7.5 +/-    0.86  0.130 / 0.320
G14     252.5          62.4                7.8 +/-    0.57       8.6 +/-    0.57  0.050 / 0.060
G18     314.9          28.0                3.8 +/-    1.72       6.9 +/-    1.72  0.050 / 0.040
G20     88.1           41.2                6.3 +/-    0.76       9.0 +/-    0.76  0.030 / 0.030
G21     152.7          19.9                5.9 +/-    1.23      12.9 +/-    1.23  0.030 / 0.020
G24     42.3           13.7                2.8 +/-    2.91       7.2 +/-    2.91  0.030 / 0.020
G27     239.3          21.4                6.5 +/-    1.70      13.9 +/-    1.70  0.030 / 0.030
G31     180.9          21.6                6.2 +/-    1.57      13.0 +/-    1.57  0.080 / 0.120
G32     289.8          74.0                7.8 +/-    0.58       8.1 +/-    0.58  0.200 / 0.300