PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/14-01:42:50
G08     315.7          15.5                7.7 +/-    2.10      18.9 +/-    2.10  0.060 / 0.070
G10     313.2          56.0                7.1 +/-    1.64       8.4 +/-    1.64  0.040 / 0.070
G14     213.6          23.6               13.6 +/-    4.02      27.4 +/-    4.02  0.080 / 0.050
G15     45.6           20.5                7.4 +/-    2.63      16.1 +/-    2.63  0.060 / 0.060
G18     19.0           63.6                8.7 +/-    1.30       9.6 +/-    1.30  0.040 / 0.030
G20     79.6           10.1                7.5 +/-    1.84      20.8 +/-    1.84  0.040 / 0.040
G21     121.7          65.6                9.6 +/-    0.52      10.4 +/-    0.52  0.090 / 0.130
G24     86.8           29.8                8.6 +/-    1.60      15.1 +/-    1.60  0.070 / 0.110
G27     285.4          37.9                7.7 +/-    1.57      11.7 +/-    1.57  0.100 / 0.070
G32     216.6          41.5               10.3 +/-    1.32      14.7 +/-    1.32  0.070 / 0.070