PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/30-05:13:10
G01     316.7          22.5                0.7 +/-    1.82       1.5 +/-    1.82  0.050 / 0.050
G08     251.1          10.4                3.5 +/-    8.57       9.7 +/-    8.57  0.040 / 0.060
G10     86.7           51.2                2.6 +/-    0.55       3.3 +/-    0.55  0.040 / 0.040
G11     295.9          27.3                2.2 +/-    1.70       4.0 +/-    1.70  0.030 / 0.050
G14     320.0          71.5                2.6 +/-    0.71       2.7 +/-    0.71  0.090 / 0.190
G18     105.5          27.0              -27.4 +/-   63.57     -51.1 +/-   63.57  0.090 / 0.150
G22     303.2          15.2                2.7 +/-    2.05       6.6 +/-    2.05  0.110 / 0.300
G25     91.9           10.7               -9.0 +/-   27.48     -24.8 +/-   27.48  0.120 / 0.350
G31     174.7          47.9               19.2 +/-   20.86      24.8 +/-   20.86  0.110 / 0.310
G32     14.9           64.2              -10.2 +/-   13.94     -11.2 +/-   13.94  0.110 / 0.330