PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/02-04:28:00
G01     310.9          30.2                5.7 +/-    2.84       9.9 +/-    2.84  0.080 / 0.170
G10     101.1          43.1                6.5 +/-    0.42       9.0 +/-    0.42  0.090 / 0.110
G11     286.3          28.0                5.7 +/-    1.44      10.5 +/-    1.44  0.040 / 0.060
G14     340.5          69.1                5.6 +/-    0.62       5.9 +/-    0.62  0.040 / 0.050
G18     284.7          48.8                6.9 +/-    1.34       8.8 +/-    1.34  0.080 / 0.190
G20     111.5          40.3               18.4 +/-    1.34      26.6 +/-    1.34  0.080 / 0.180
G22     308.1          22.2                4.8 +/-    1.30      10.1 +/-    1.30  0.040 / 0.050
G25     86.2           15.0                3.6 +/-    1.16       8.9 +/-    1.16  0.050 / 0.060
G31     166.3          61.7                7.9 +/-    1.04       8.9 +/-    1.04  0.090 / 0.120
G32     33.3           54.3                5.0 +/-    0.80       6.1 +/-    0.80  0.090 / 0.140