PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-15:12:40
G02     203.8          31.9               10.7 +/-    1.44      18.0 +/-    1.44  0.150 / 0.150
G06     157.9          68.8               10.2 +/-    1.11      10.8 +/-    1.11  0.140 / 0.140
G12     306.4          14.3                5.9 +/-    2.97      14.9 +/-    2.97  0.110 / 0.210
G17     31.2           52.8                8.4 +/-    0.76      10.3 +/-    0.76  0.090 / 0.270
G19     3.6            64.9                8.2 +/-    0.46       8.9 +/-    0.46  0.060 / 0.090
G24     298.8          37.1               10.2 +/-    1.12      15.6 +/-    1.12  0.060 / 0.110
G28     98.5           37.0                9.3 +/-    1.18      14.3 +/-    1.18  0.060 / 0.120