PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-01:13:00
G08     273.3          21.0                8.9 +/-    0.98      19.2 +/-    0.98  0.090 / 0.190
G10     44.1           61.6                8.2 +/-    0.42       9.2 +/-    0.42  0.090 / 0.240
G11     315.1          13.5                6.6 +/-    3.16      16.9 +/-    3.16  0.030 / 0.030
G14     253.2          62.6                8.0 +/-    1.06       8.9 +/-    1.06  0.030 / 0.030
G18     83.7           41.5                8.9 +/-    0.86      12.7 +/-    0.86  0.070 / 0.190
G21     152.3          21.7                8.7 +/-    1.22      18.4 +/-    1.22  0.070 / 0.220
G24     44.1           16.9                7.4 +/-    1.84      17.5 +/-    1.84  0.070 / 0.150
G27     236.4          20.6               12.2 +/-    1.95      26.5 +/-    1.95  0.060 / 0.170
G31     181.1          20.9               11.1 +/-    3.00      23.9 +/-    3.00  0.100 / 0.210
G32     296.1          74.9                9.1 +/-    0.78       9.4 +/-    0.78  0.100 / 0.150