PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-03:43:00
G10     242.0          20.2               11.7 +/-    2.85      25.5 +/-    2.85  0.040 / 0.060
G13     64.2           33.8                9.8 +/-    1.17      15.9 +/-    1.17  0.050 / 0.040
G15     106.1          56.5               11.8 +/-    0.97      13.9 +/-    0.97  0.110 / 0.240
G16     308.9          13.4                8.1 +/-    1.30      20.9 +/-    1.30  0.170 / 0.220
G20     257.1          43.6               12.0 +/-    2.28      16.4 +/-    2.28  0.130 / 0.300
G21     323.2          53.4               10.5 +/-    0.96      12.7 +/-    0.96  0.130 / 0.250
G26     280.7          18.4                9.9 +/-    2.53      22.7 +/-    2.53  0.070 / 0.130
G29     157.4          59.0               12.2 +/-    0.78      14.0 +/-    0.78  0.080 / 0.110