PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-14:57:30
G02     337.1          79.7                6.7 +/-    0.51       6.8 +/-    0.51  0.030 / 0.030
G05     167.8          30.1               11.1 +/-    1.30      19.4 +/-    1.30  0.030 / 0.030
G06     40.9           43.4                5.6 +/-    0.89       7.7 +/-    0.89  0.030 / 0.040
G12     313.3          69.1                6.5 +/-    1.02       6.9 +/-    1.02  0.020 / 0.040
G17     86.5           10.0                7.2 +/-    2.14      20.1 +/-    2.14  0.060 / 0.100
G19     75.2           26.5                7.3 +/-    1.88      13.8 +/-    1.88  0.040 / 0.110
G24     230.9          24.1                7.7 +/-    1.66      15.3 +/-    1.66  0.040 / 0.050
G25     317.3          29.9                6.8 +/-    3.34      12.0 +/-    3.34  0.050 / 0.050
G29     287.2          12.0                8.3 +/-    1.86      22.0 +/-    1.86  0.080 / 0.120