PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/11-19:27:50
G08     318.5          13.1                8.9 +/-    1.12      23.3 +/-    1.12  0.050 / 0.090
G10     308.5          54.8                8.5 +/-    0.57      10.1 +/-    0.57  0.050 / 0.110
G14     212.6          19.8               11.0 +/-    1.99      24.3 +/-    1.99  0.030 / 0.050
G15     45.4           20.5                8.6 +/-    0.72      18.7 +/-    0.72  0.040 / 0.050
G18     17.9           63.7                8.6 +/-    0.70       9.4 +/-    0.70  0.080 / 0.120
G20     76.6           14.2                8.6 +/-    0.85      21.9 +/-    0.85  0.070 / 0.130
G21     118.6          64.6               12.3 +/-    0.46      13.5 +/-    0.46  0.060 / 0.230
G24     90.3           29.1               10.7 +/-    0.64      19.0 +/-    0.64  0.070 / 0.200
G27     289.6          37.4                9.1 +/-    1.08      13.8 +/-    1.08  0.100 / 0.450
G32     214.9          37.8               11.9 +/-    2.12      18.0 +/-    2.12  0.170 / 0.350