PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/16-00:57:50
G08     276.5          21.8               13.5 +/-    2.55      28.3 +/-    2.55  0.060 / 0.150
G10     37.4           62.3               12.9 +/-    0.56      14.3 +/-    0.56  0.060 / 0.140
G11     316.6          11.3                3.0 +/-   26.40       8.1 +/-   26.40  0.030 / 0.030
G14     248.0          60.3               15.5 +/-    0.92      17.6 +/-    0.92  0.030 / 0.020
G18     80.3           43.4               13.0 +/-    0.73      17.9 +/-    0.73  0.060 / 0.210
G21     151.5          24.7               16.6 +/-    1.25      32.8 +/-    1.25  0.080 / 0.200
G24     45.9           18.9               12.3 +/-    0.87      27.7 +/-    0.87  0.100 / 0.250
G27     239.0          22.7               15.8 +/-    2.26      32.5 +/-    2.26  0.080 / 0.240
G31     181.8          17.9               17.2 +/-    1.57      40.0 +/-    1.57  0.040 / 0.080
G32     283.4          74.1               14.4 +/-    0.82      14.9 +/-    0.82  0.040 / 0.060