PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/31-03:57:40
G01     297.0          38.4                5.5 +/-    1.05       8.3 +/-    1.05  0.050 / 0.110
G03     309.5          10.8              -13.1 +/-   28.06     -36.0 +/-   28.06  0.060 / 0.110
G10     115.1          33.8                6.1 +/-    0.40       9.8 +/-    0.40  0.060 / 0.110
G11     268.6          28.4                5.2 +/-    1.08       9.4 +/-    1.08  0.060 / 0.070
G14     18.9           60.8                3.7 +/-    0.64       4.2 +/-    0.64  0.030 / 0.050
G22     312.5          33.7                3.4 +/-    0.89       5.5 +/-    0.89  0.030 / 0.060
G25     68.5           17.5                4.2 +/-    0.83       9.9 +/-    0.83  0.040 / 0.060
G31     155.8          74.4                5.2 +/-    1.14       5.4 +/-    1.14  0.050 / 0.060
G32     44.1           47.3                2.3 +/-    0.75       3.0 +/-    0.75  0.070 / 0.130