PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-14:28:10
G02     45.6           44.5                5.4 +/-    0.81       7.3 +/-    0.81  0.020 / 0.020
G05     110.5          69.8                7.1 +/-    0.67       7.5 +/-    0.67  0.020 / 0.020
G06     60.7           9.3                 4.8 +/-    2.76      13.5 +/-    2.76  0.030 / 0.040
G12     191.7          53.8                8.9 +/-    0.92      10.8 +/-    0.92  0.040 / 0.040
G20     201.4          38.8                9.6 +/-    0.91      14.3 +/-    0.91  0.230 / 0.230
G25     270.1          58.9                7.3 +/-    3.10       8.3 +/-    3.10  0.140 / 0.260
G29     320.0          43.6                5.6 +/-    0.37       7.7 +/-    0.37  0.030 / 0.030