PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-21:58:00
G02     89.9           10.0                8.2 +/-    3.27      22.9 +/-    3.27  0.070 / 0.130
G05     46.2           24.7                7.7 +/-    1.19      15.1 +/-    1.19  0.050 / 0.120
G13     87.3           35.8                9.9 +/-    0.89      15.6 +/-    0.89  0.130 / 0.300
G15     140.5          44.7               12.6 +/-    0.73      17.1 +/-    0.73  0.160 / 0.250
G20     236.4          3.6                 6.5 +/-    1.15      20.1 +/-    1.15  0.090 / 0.430
G21     304.2          40.4                9.9 +/-    1.11      14.4 +/-    1.11  0.090 / 0.360
G25     203.4          17.8               10.8 +/-    4.23      25.1 +/-    4.23  0.020 / 0.030
G26     295.1          21.0               11.0 +/-    1.85      23.7 +/-    1.85  0.030 / 0.030
G29     140.1          84.0                8.3 +/-    1.13       8.4 +/-    1.13  0.060 / 0.100