PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-01:27:40
G08     277.7          22.2               18.5 +/-    2.09      38.6 +/-    2.09  0.090 / 0.160
G10     34.7           62.5               21.0 +/-    0.86      23.3 +/-    0.86  0.100 / 0.150
G11     317.1          10.5               -6.3 +/-    5.10     -17.3 +/-    5.10  0.040 / 0.030
G14     246.1          59.4               17.5 +/-    1.12      19.9 +/-    1.12  0.040 / 0.030
G18     78.8           44.3               21.4 +/-    1.44      29.2 +/-    1.44  0.160 / 0.270
G21     151.2          26.2               16.2 +/-    1.62      30.8 +/-    1.62  0.160 / 0.270
G24     46.7           19.7                8.1 +/-    3.92      18.0 +/-    3.92  0.030 / 0.030
G27     240.0          23.5               21.3 +/-    2.76      43.0 +/-    2.76  0.050 / 0.030
G31     181.8          17.0               25.6 +/-    3.62      60.7 +/-    3.62  0.130 / 0.460
G32     279.8          73.9               19.7 +/-    0.66      20.5 +/-    0.66  0.130 / 0.140