PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/27-19:28:00
G08     292.8          23.0               11.5 +/-    1.11      23.6 +/-    1.11  0.150 / 0.140
G10     6.0            63.1                9.8 +/-    0.74      10.8 +/-    0.74  0.100 / 0.090
G14     230.3          47.1               10.9 +/-    2.33      14.3 +/-    2.33  0.070 / 0.100
G18     65.1           50.0               10.7 +/-    1.06      13.5 +/-    1.06  0.070 / 0.120
G21     145.4          35.5               12.1 +/-    1.33      19.0 +/-    1.33  0.110 / 0.130
G24     57.0           26.5               10.2 +/-    1.87      19.3 +/-    1.87  0.120 / 0.160
G27     252.7          31.3               10.9 +/-    3.55      18.5 +/-    3.55  0.030 / 0.020
G32     245.4          66.3               11.7 +/-    0.42      12.6 +/-    0.42  0.030 / 0.020