PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-03:12:50
G01     319.7          15.5                5.6 +/-    2.54      13.8 +/-    2.54  0.170 / 0.330
G08     258.5          14.7               10.4 +/-    2.29      26.1 +/-    2.29  0.110 / 0.280
G10     73.6           55.8                6.7 +/-    0.40       8.0 +/-    0.40  0.040 / 0.040
G11     304.3          23.3                8.9 +/-    1.02      18.2 +/-    1.02  0.020 / 0.030
G14     291.8          70.8                6.6 +/-    0.58       6.9 +/-    0.58  0.040 / 0.050
G18     98.5           32.1                6.6 +/-    1.14      11.1 +/-    1.14  0.030 / 0.050
G31     177.6          37.7               11.2 +/-    1.40      16.9 +/-    1.40  0.050 / 0.070
G32     355.3          70.4                6.0 +/-    0.33       6.3 +/-    0.33  0.050 / 0.060