PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/26-04:27:40
G08     277.6          22.2                8.2 +/-    1.42      17.1 +/-    1.42  0.040 / 0.030
G10     34.5           62.6                5.5 +/-    0.69       6.1 +/-    0.69  0.030 / 0.030
G11     316.7          11.2               -0.0 +/-   17.83      -0.1 +/-   17.83  0.070 / 0.200
G14     246.2          59.5                8.5 +/-    0.72       9.7 +/-    0.72  0.100 / 0.220
G18     77.8           45.4              -28.3 +/-   61.11     -37.9 +/-   61.11  0.080 / 0.160
G21     151.4          27.3               10.0 +/-    1.23      18.6 +/-    1.23  0.080 / 0.160
G24     46.7           19.7                5.2 +/-    0.58      11.5 +/-    0.58  0.070 / 0.080
G27     240.0          23.5                7.0 +/-    1.49      14.2 +/-    1.49  0.070 / 0.060
G31     180.7          18.4                8.7 +/-    1.77      19.9 +/-    1.77  0.060 / 0.140
G32     285.0          75.1                7.0 +/-    0.80       7.2 +/-    0.80  0.070 / 0.150