PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-00:27:50
G08     274.6          19.2                7.7 +/-    1.28      17.3 +/-    1.28  0.180 / 0.290
G10     57.1           58.3                8.6 +/-    0.60       9.9 +/-    0.60  0.180 / 0.300
G14     256.8          62.6                8.4 +/-    0.81       9.3 +/-    0.81  0.110 / 0.150
G18     314.2          29.5                7.0 +/-    1.34      12.4 +/-    1.34  0.110 / 0.130
G20     92.5           38.3                8.4 +/-    0.94      12.6 +/-    0.94  0.050 / 0.060
G21     154.7          19.6                8.8 +/-    1.65      19.5 +/-    1.65  0.050 / 0.060
G24     41.7           13.1                5.7 +/-    2.82      14.7 +/-    2.82  0.030 / 0.020
G27     234.6          18.6                9.5 +/-    4.70      21.5 +/-    4.70  0.030 / 0.020
G31     177.8          28.0                9.4 +/-    2.70      17.2 +/-    2.70  0.130 / 0.250
G32     325.6          75.7                7.3 +/-    0.29       7.5 +/-    0.29  0.170 / 0.250