PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-22:42:40
G05     50.9           12.6                6.7 +/-    2.28      17.8 +/-    2.28  0.060 / 0.140
G10     239.9          16.8               16.9 +/-    1.38      40.3 +/-    1.38  0.140 / 0.160
G13     68.4           35.4               10.4 +/-    2.19      16.3 +/-    2.19  0.060 / 0.050
G15     120.3          55.5               11.1 +/-    0.57      13.2 +/-    0.57  0.050 / 0.050
G16     307.6          15.0                8.6 +/-    3.53      21.5 +/-    3.53  0.190 / 0.310
G20     245.7          15.7                7.9 +/-    2.33      19.3 +/-    2.33  0.100 / 0.360
G21     317.6          49.9                9.9 +/-    0.60      12.5 +/-    0.60  0.070 / 0.110
G26     279.9          20.1               10.7 +/-    2.22      23.5 +/-    2.22  0.050 / 0.110
G29     160.0          67.2               10.4 +/-    0.42      11.2 +/-    0.42  0.030 / 0.040