PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-01:12:40
G08     283.0          23.1                6.6 +/-    0.72      13.4 +/-    0.72  0.050 / 0.150
G10     23.6           63.1                4.2 +/-    0.62       4.7 +/-    0.62  0.070 / 0.120
G14     239.3          55.3                7.3 +/-    0.97       8.7 +/-    0.97  0.100 / 0.140
G18     73.1           47.1                5.4 +/-    0.58       7.1 +/-    0.58  0.060 / 0.160
G21     149.5          31.1                9.1 +/-    0.84      15.6 +/-    0.84  0.030 / 0.030
G24     50.3           22.6                7.8 +/-    1.00      16.1 +/-    1.00  0.030 / 0.030
G27     244.4          26.6                8.3 +/-    1.82      15.6 +/-    1.82  0.040 / 0.070
G31     183.0          12.4                9.4 +/-    3.47      24.9 +/-    3.47  0.040 / 0.070
G32     263.4          71.3                7.5 +/-    0.55       7.9 +/-    0.55  0.090 / 0.150