PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-21:27:40
G08     267.0          18.2                9.1 +/-    1.80      20.9 +/-    1.80  0.090 / 0.140
G10     59.4           59.2                8.6 +/-    0.55       9.8 +/-    0.55  0.110 / 0.160
G11     311.6          17.2                8.7 +/-    3.48      20.6 +/-    3.48  0.090 / 0.410
G14     267.6          66.7                9.6 +/-    0.99      10.4 +/-    0.99  0.160 / 0.490
G18     92.0           35.6                9.3 +/-    0.88      14.6 +/-    0.88  0.130 / 0.290
G21     153.3          12.3               10.5 +/-    4.67      27.9 +/-    4.67  0.140 / 0.330
G24     40.4           11.5                8.6 +/-    1.53      23.2 +/-    1.53  0.040 / 0.100
G27     230.8          15.7               12.1 +/-    1.58      29.6 +/-    1.58  0.080 / 0.100
G31     180.9          27.1               12.6 +/-    1.14      23.5 +/-    1.14  0.050 / 0.060
G32     329.1          74.4                9.5 +/-    0.91       9.8 +/-    0.91  0.040 / 0.060