PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-04:43:00
G01     253.1          36.3                8.3 +/-    0.93      12.9 +/-    0.93  0.030 / 0.040
G03     316.2          39.5                7.7 +/-    1.17      11.3 +/-    1.17  0.030 / 0.040
G11     236.8          14.0                8.2 +/-    1.66      20.9 +/-    1.66  0.060 / 0.100
G14     59.6           40.6                6.0 +/-    0.54       8.6 +/-    0.54  0.060 / 0.110
G16     165.8          15.3                7.9 +/-   11.71      19.5 +/-   11.71  0.070 / 0.100
G22     307.3          64.0                7.3 +/-    1.15       8.0 +/-    1.15  0.060 / 0.110
G23     284.4          16.8                9.4 +/-    3.02      22.4 +/-    3.02  0.150 / 0.450
G26     141.2          35.2               10.6 +/-    0.85      16.7 +/-    0.85  0.180 / 0.340
G31     40.9           62.5                7.7 +/-    0.44       8.5 +/-    0.44  0.050 / 0.100
G32     74.6           26.1                6.8 +/-    1.13      13.0 +/-    1.13  0.060 / 0.080