PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/17-01:28:00
G03     312.7          52.0                4.0 +/-    0.67       5.0 +/-    0.67  0.030 / 0.030
G14     70.0           35.0                3.3 +/-    1.34       5.2 +/-    1.34  0.030 / 0.030
G16     157.1          28.0                7.3 +/-    1.37      13.2 +/-    1.37  0.050 / 0.130
G18     212.4          19.1                7.7 +/-    1.95      17.3 +/-    1.95  0.050 / 0.130
G22     285.1          72.7                5.2 +/-    0.78       5.4 +/-    0.78  0.070 / 0.170
G23     293.4          24.2                5.8 +/-    1.31      11.6 +/-    1.31  0.070 / 0.150
G26     125.7          45.8                8.1 +/-    1.06      10.9 +/-    1.06  0.130 / 0.290
G31     40.6           49.1                2.7 +/-    0.61       3.4 +/-    0.61  0.110 / 0.390
G32     85.6           16.3                4.5 +/-    1.28      10.9 +/-    1.28  0.100 / 0.240