PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-00:57:50
G10     297.5          51.9               10.3 +/-    1.33      12.7 +/-    1.33  0.060 / 0.110
G15     46.5           31.0                6.9 +/-    0.58      11.8 +/-    0.58  0.070 / 0.100
G20     301.8          52.8                6.8 +/-    1.19       8.3 +/-    1.19  0.050 / 0.050
G21     94.2           75.0               10.8 +/-    0.38      11.1 +/-    0.38  0.050 / 0.040
G24     95.9           26.4               11.4 +/-    0.90      21.6 +/-    0.90  0.070 / 0.150
G27     300.6          34.1               10.1 +/-    1.27      16.2 +/-    1.27  0.080 / 0.160
G32     210.2          33.9               13.8 +/-    1.56      22.3 +/-    1.56  0.040 / 0.050