PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/17-01:43:00
G10     277.8          43.9               14.8 +/-    1.46      20.3 +/-    1.46  0.180 / 0.130
G13     38.5           10.8                7.2 +/-    3.89      19.6 +/-    3.89  0.100 / 0.150
G15     52.3           43.3                9.4 +/-    1.43      13.0 +/-    1.43  0.040 / 0.040
G20     293.2          53.6               11.8 +/-    0.86      14.3 +/-    0.86  0.040 / 0.040
G21     29.3           76.5               12.5 +/-    0.89      12.8 +/-    0.89  0.140 / 0.370
G24     111.0          19.6               12.8 +/-    1.81      28.3 +/-    1.81  0.130 / 0.390
G27     313.4          25.8                9.7 +/-    1.10      18.7 +/-    1.10  0.100 / 0.160
G29     169.0          22.5               14.8 +/-    1.63      30.8 +/-    1.63  0.110 / 0.170
G32     205.5          19.5               20.0 +/-    3.25      44.5 +/-    3.25  0.040 / 0.060