PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/15-23:28:00
G01     320.6          12.3                6.3 +/-    6.48      16.6 +/-    6.48  0.150 / 0.380
G08     262.4          16.4               11.0 +/-    1.59      26.4 +/-    1.59  0.110 / 0.430
G10     67.3           57.4                9.5 +/-    0.44      11.0 +/-    0.44  0.050 / 0.090
G11     308.1          20.4                9.4 +/-    1.20      20.5 +/-    1.20  0.060 / 0.110
G14     279.5          69.2               10.2 +/-    0.55      10.9 +/-    0.55  0.140 / 0.340
G18     95.8           33.4               10.0 +/-    0.77      16.4 +/-    0.77  0.150 / 0.230
G27     227.6          12.8               12.5 +/-    3.62      32.9 +/-    3.62  0.030 / 0.030
G31     180.4          31.4               12.8 +/-    2.09      21.8 +/-    2.09  0.030 / 0.030
G32     340.4          72.8                9.3 +/-    0.65       9.7 +/-    0.65  0.060 / 0.060