PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-03:12:50
G03     195.0          29.0                5.1 +/-   12.56       9.1 +/-   12.56  0.100 / 0.290
G07     283.5          33.9                2.4 +/-    6.59       3.9 +/-    6.59  0.070 / 0.380
G08     145.5          22.3                6.6 +/-   13.51      13.8 +/-   13.51  0.110 / 0.160
G09     320.7          55.5               -0.5 +/-    9.52      -0.6 +/-    9.52  0.120 / 0.190
G16     47.4           51.8               -1.5 +/-   21.81      -1.9 +/-   21.81  0.040 / 0.060
G22     180.0          13.8                4.3 +/-   12.04      11.1 +/-   12.04  0.050 / 0.060
G23     48.5           83.5               -2.7 +/-   24.37      -2.7 +/-   24.37  0.070 / 0.110
G26     43.2           21.2                0.5 +/-   19.45       1.1 +/-   19.45  0.060 / 0.090