PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-21:27:50
G08     270.6          19.6                9.1 +/-    1.89      20.1 +/-    1.89  0.210 / 0.170
G10     52.0           60.5                7.9 +/-    0.39       8.9 +/-    0.39  0.210 / 0.160
G11     313.9          14.9                6.7 +/-    2.91      16.7 +/-    2.91  0.120 / 0.380
G14     259.5          64.4               10.2 +/-    0.96      11.1 +/-    0.96  0.160 / 0.420
G18     88.4           38.0                8.8 +/-    1.38      13.2 +/-    1.38  0.070 / 0.130
G21     152.6          15.9               12.1 +/-    2.99      29.6 +/-    2.99  0.080 / 0.130
G24     42.1           14.2                7.6 +/-    4.32      19.3 +/-    4.32  0.020 / 0.020
G27     233.6          18.2               12.0 +/-    2.77      27.7 +/-    2.77  0.030 / 0.020
G31     181.6          23.3               13.3 +/-    1.48      27.1 +/-    1.48  0.040 / 0.050
G32     313.8          75.2                8.8 +/-    0.64       9.1 +/-    0.64  0.040 / 0.050