PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-22:28:10
G10     270.5          40.3               12.3 +/-    1.36      17.9 +/-    1.36  0.240 / 0.250
G13     40.5           15.7                8.2 +/-    2.41      20.1 +/-    2.41  0.250 / 0.250
G15     58.7           50.1                8.8 +/-    0.69      11.0 +/-    0.69  0.040 / 0.050
G16     274.3          11.3               10.5 +/-    2.55      28.4 +/-    2.55  0.040 / 0.040
G20     268.7          27.5               15.2 +/-    0.92      28.1 +/-    0.92  0.150 / 0.210
G21     7.1            73.2               11.0 +/-    0.92      11.5 +/-    0.92  0.150 / 0.180
G24     115.9          16.2               12.8 +/-    1.76      31.1 +/-    1.76  0.150 / 0.350
G27     317.3          20.9                7.5 +/-    3.06      16.2 +/-    3.06  0.180 / 0.320
G29     168.7          29.2               13.6 +/-    1.46      24.3 +/-    1.46  0.170 / 0.460
G32     204.3          13.5               20.4 +/-    3.87      52.6 +/-    3.87  0.250 / 0.430