PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/07-23:42:50
G08     320.9          10.8               -3.7 +/-   52.50     -10.2 +/-   52.50  0.070 / 0.110
G10     300.6          52.5               22.8 +/-    0.69      27.9 +/-    0.69  0.070 / 0.150
G14     210.8          16.1               24.8 +/-    4.45      60.0 +/-    4.45  0.050 / 0.050
G15     45.8           26.5               21.0 +/-    1.05      39.6 +/-    1.05  0.040 / 0.050
G18     3.7            65.5               23.1 +/-    0.29      25.1 +/-    0.29  0.070 / 0.080
G20     73.7           15.6               18.7 +/-    1.98      45.8 +/-    1.98  0.090 / 0.110
G21     106.1          71.3               23.6 +/-    0.38      24.8 +/-    0.38  0.140 / 0.510
G24     96.0           27.6               24.9 +/-    1.32      45.9 +/-    1.32  0.100 / 0.420
G27     295.4          36.2               23.5 +/-    1.48      36.5 +/-    1.48  0.160 / 0.330
G32     212.6          32.6               22.8 +/-    1.18      37.8 +/-    1.18  0.100 / 0.240