PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/26-01:27:50
G01     250.5          35.0                5.3 +/-    0.95       8.4 +/-    0.95  0.030 / 0.050
G03     315.8          42.5                4.2 +/-    2.21       5.8 +/-    2.21  0.040 / 0.050
G11     236.0          12.6                6.7 +/-    4.36      17.5 +/-    4.36  0.170 / 0.350
G14     61.7           39.6                3.8 +/-    0.50       5.6 +/-    0.50  0.090 / 0.250
G16     166.6          15.9                6.6 +/-    3.51      15.9 +/-    3.51  0.030 / 0.040
G22     304.9          65.5                3.7 +/-    1.25       4.0 +/-    1.25  0.030 / 0.050
G23     286.3          18.3                5.9 +/-    2.10      13.6 +/-    2.10  0.050 / 0.110
G26     141.3          36.6                7.4 +/-    0.69      11.4 +/-    0.69  0.060 / 0.110
G31     39.5           63.0                3.6 +/-    0.63       4.0 +/-    0.63  0.050 / 0.090
G32     76.6           24.8                4.7 +/-    0.82       9.3 +/-    0.82  0.050 / 0.090