PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/25-19:42:40
G08     289.5          23.0               11.5 +/-    0.47      23.6 +/-    0.47  0.120 / 0.120
G10     13.0           63.2               11.1 +/-    0.60      12.3 +/-    0.60  0.090 / 0.110
G14     233.3          49.9               10.9 +/-    2.10      13.8 +/-    2.10  0.040 / 0.110
G18     68.9           48.4                9.4 +/-    0.71      12.1 +/-    0.71  0.050 / 0.120
G21     146.9          32.6               11.0 +/-    1.11      18.4 +/-    1.11  0.150 / 0.140
G24     54.2           25.1                9.5 +/-    3.91      18.5 +/-    3.91  0.200 / 0.220
G27     249.4          29.6               11.3 +/-    1.36      20.0 +/-    1.36  0.030 / 0.020
G32     251.8          68.7                9.4 +/-    0.36      10.1 +/-    0.36  0.030 / 0.030