PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/27-21:27:50
G08     267.3          19.1                7.7 +/-    3.87      17.4 +/-    3.87  0.040 / 0.050
G10     58.1           58.8                9.7 +/-    0.75      11.1 +/-    0.75  0.040 / 0.040
G11     312.2          16.8                1.3 +/-   17.63       3.1 +/-   17.63  0.150 / 0.290
G14     262.4          65.1                9.2 +/-    0.99      10.1 +/-    0.99  0.140 / 0.270
G18     312.8          31.9                7.4 +/-    1.35      12.5 +/-    1.35  0.160 / 0.320
G20     93.4           37.9               10.1 +/-    1.62      15.2 +/-    1.62  0.200 / 0.380
G21     154.2          16.2               12.2 +/-    4.27      29.5 +/-    4.27  0.170 / 0.240
G27     234.8          17.6               11.0 +/-    2.91      25.6 +/-    2.91  0.090 / 0.140
G31     179.4          27.5               11.3 +/-    1.44      20.9 +/-    1.44  0.090 / 0.170
G32     333.2          75.0                8.5 +/-    0.36       8.8 +/-    0.36  0.130 / 0.170