PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/09-03:27:40
G08     278.9          22.4                8.8 +/-    1.85      18.2 +/-    1.85  0.060 / 0.180
G10     31.8           62.8                5.4 +/-    0.47       5.9 +/-    0.47  0.080 / 0.160
G14     244.4          58.5                8.6 +/-    0.88       9.9 +/-    0.88  0.060 / 0.130
G18     76.7           45.7                6.1 +/-    0.64       8.2 +/-    0.64  0.060 / 0.140
G21     150.9          28.2                7.5 +/-    2.07      13.6 +/-    2.07  0.030 / 0.030
G24     47.6           20.5                4.8 +/-    1.06      10.5 +/-    1.06  0.030 / 0.030
G27     241.0          24.3                8.0 +/-    1.17      16.0 +/-    1.17  0.040 / 0.060
G31     181.3          16.8                8.4 +/-    3.22      19.9 +/-    3.22  0.050 / 0.050
G32     278.5          74.2                6.8 +/-    0.45       7.1 +/-    0.45  0.080 / 0.160