PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-21:12:30
G10     254.7          30.1               14.5 +/-    0.82      25.4 +/-    0.82  0.060 / 0.050
G13     49.5           26.9               10.6 +/-    1.81      19.8 +/-    1.81  0.050 / 0.060
G15     86.2           59.8               13.3 +/-    0.77      15.1 +/-    0.77  0.140 / 0.530
G16     290.3          15.3               10.3 +/-    1.50      25.6 +/-    1.50  0.140 / 0.510
G20     276.3          53.7               13.9 +/-    0.95      16.8 +/-    0.95  0.080 / 0.170
G21     339.7          63.3               12.4 +/-    0.48      13.7 +/-    0.48  0.080 / 0.190
G26     263.1          13.6               14.3 +/-    1.17      36.8 +/-    1.17  0.040 / 0.040
G29     166.1          45.4               14.6 +/-    1.02      19.6 +/-    1.02  0.030 / 0.050