PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-04:57:40
G08     264.1          17.5                7.8 +/-    1.38      18.2 +/-    1.38  0.030 / 0.020
G10     62.5           58.6                3.4 +/-    0.63       3.9 +/-    0.63  0.030 / 0.020
G11     308.7          20.3                6.9 +/-    1.98      15.1 +/-    1.98  0.150 / 0.080
G14     274.0          68.5                5.7 +/-    0.88       6.1 +/-    0.88  0.210 / 0.100
G18     92.2           37.0                5.7 +/-    0.79       8.8 +/-    0.79  0.210 / 0.360
G21     154.5          14.0                7.1 +/-    1.49      18.0 +/-    1.49  0.180 / 0.490
G24     39.6           10.3                5.0 +/-    3.18      13.9 +/-    3.18  0.070 / 0.060
G27     229.3          14.4                9.1 +/-    2.52      23.1 +/-    2.52  0.070 / 0.060
G31     177.9          32.0                7.6 +/-    3.49      12.8 +/-    3.49  0.150 / 0.310
G32     341.0          73.5                3.9 +/-    0.62       4.1 +/-    0.62  0.170 / 0.310