PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-21:27:40
G10     290.2          48.8               16.0 +/-    1.53      20.5 +/-    1.53  0.070 / 0.150
G15     47.0           32.1               14.5 +/-    0.77      24.4 +/-    0.77  0.060 / 0.150
G18     348.6          66.7               14.9 +/-    0.93      16.0 +/-    0.93  0.050 / 0.050
G20     68.2           21.1               14.1 +/-    2.02      30.1 +/-    2.02  0.060 / 0.050
G21     85.6           74.7               17.5 +/-    0.80      18.0 +/-    0.80  0.070 / 0.190
G24     103.8          24.6               17.5 +/-    0.94      34.5 +/-    0.94  0.060 / 0.160
G27     303.5          33.1               15.9 +/-    2.77      26.1 +/-    2.77  0.110 / 0.270
G32     209.9          24.3               22.1 +/-    1.01      44.0 +/-    1.01  0.090 / 0.250