PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/04-01:12:30
G08     292.8          23.5                7.3 +/-    1.04      14.8 +/-    1.04  0.030 / 0.030
G10     2.7            63.0                8.7 +/-    1.00       9.6 +/-    1.00  0.030 / 0.020
G14     229.4          47.2               10.2 +/-    2.08      13.4 +/-    2.08  0.080 / 0.140
G18     61.3           52.3                9.4 +/-    0.90      11.5 +/-    0.90  0.040 / 0.100
G21     145.3          40.5                9.8 +/-    1.23      14.2 +/-    1.23  0.050 / 0.060
G24     58.4           27.1               10.1 +/-    1.38      18.8 +/-    1.38  0.040 / 0.080
G27     253.7          31.9                9.6 +/-    2.32      16.1 +/-    2.32  0.120 / 0.090
G32     242.7          64.5                8.1 +/-    0.83       8.9 +/-    0.83  0.100 / 0.090