PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-16:43:00
G05     49.3           16.7                9.6 +/-    1.68      22.9 +/-    1.68  0.120 / 0.180
G10     237.4          13.0               11.9 +/-    2.09      31.0 +/-    2.09  0.100 / 0.230
G13     74.9           37.1               10.4 +/-    0.93      15.9 +/-    0.93  0.040 / 0.040
G15     119.4          53.3               12.5 +/-    0.55      15.2 +/-    0.55  0.040 / 0.040
G18     247.8          44.9               11.6 +/-    2.56      15.7 +/-    2.56  0.110 / 0.210
G20     27.0           66.2                9.9 +/-    0.64      10.7 +/-    0.64  0.120 / 0.250
G26     289.4          19.1                8.0 +/-    1.45      18.1 +/-    1.45  0.060 / 0.090
G29     153.6          64.0               12.6 +/-    0.36      13.9 +/-    0.36  0.060 / 0.080