PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-20:12:50
G08     308.6          19.5               20.0 +/-    1.42      44.5 +/-    1.42  0.060 / 0.080
G10     331.1          59.8               18.9 +/-    0.62      21.5 +/-    0.62  0.090 / 0.080
G14     218.4          32.0               26.3 +/-    0.76      44.2 +/-    0.76  0.040 / 0.070
G18     40.9           58.6               19.6 +/-    0.44      22.6 +/-    0.44  0.040 / 0.060
G21     134.4          53.0               24.4 +/-    0.55      29.7 +/-    0.55  0.050 / 0.090
G24     75.0           30.6               20.6 +/-    0.73      35.6 +/-    0.73  0.050 / 0.090
G27     272.6          37.5               22.3 +/-    0.82      33.8 +/-    0.82  0.060 / 0.130
G32     223.8          50.3               25.5 +/-    1.28      32.1 +/-    1.28  0.060 / 0.130