PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-20:27:50
G10     257.5          31.3               19.7 +/-    3.22      33.6 +/-    3.22  0.110 / 0.320
G13     48.1           26.5               16.4 +/-    1.79      31.0 +/-    1.79  0.110 / 0.350
G15     71.6           54.5               17.7 +/-    0.28      21.2 +/-    0.28  0.180 / 0.450
G16     292.3          13.2               16.4 +/-    3.86      42.5 +/-    3.86  0.150 / 0.510
G18     282.8          60.8               18.7 +/-    0.98      21.1 +/-    0.98  0.040 / 0.040
G20     48.0           42.2               16.8 +/-    0.91      23.6 +/-    0.91  0.040 / 0.040
G21     348.5          67.0               17.2 +/-    1.22      18.5 +/-    1.22  0.130 / 0.170
G26     265.1          12.1               18.6 +/-    2.38      49.7 +/-    2.38  0.100 / 0.230
G27     321.3          12.8               15.4 +/-    2.45      40.4 +/-    2.45  0.070 / 0.180
G29     164.5          36.3               18.9 +/-    1.15      29.3 +/-    1.15  0.080 / 0.190