PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-05:27:50
G08     271.4          19.3                4.3 +/-    1.27       9.6 +/-    1.27  0.100 / 0.380
G10     54.7           59.7                3.1 +/-    0.83       3.6 +/-    0.83  0.100 / 0.390
G14     256.6          61.2                4.6 +/-    0.70       5.1 +/-    0.70  0.110 / 0.320
G18     314.1          28.5                4.0 +/-    1.61       7.2 +/-    1.61  0.110 / 0.380
G20     88.1           44.6                5.3 +/-    0.38       7.2 +/-    0.38  0.050 / 0.060
G21     154.3          19.4                5.3 +/-    2.16      11.9 +/-    2.16  0.050 / 0.050
G24     40.7           11.7                3.6 +/-    1.53       9.8 +/-    1.53  0.030 / 0.040
G27     234.4          18.1                5.0 +/-    1.88      11.4 +/-    1.88  0.030 / 0.030
G31     177.4          28.7                5.1 +/-    1.32       9.3 +/-    1.32  0.220 / 0.230
G32     334.0          75.4                4.2 +/-    0.52       4.3 +/-    0.52  0.150 / 0.310