PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-03:27:50
G05     49.0           15.5                6.2 +/-    1.11      15.3 +/-    1.11  0.230 / 0.360
G10     236.1          13.7               12.1 +/-    3.55      31.1 +/-    3.55  0.310 / 0.480
G13     74.7           35.5                8.8 +/-    0.39      13.8 +/-    0.39  0.100 / 0.070
G15     121.7          52.7               11.4 +/-    0.55      14.0 +/-    0.55  0.080 / 0.060
G16     316.4          10.8                1.9 +/-   18.98       5.2 +/-   18.98  0.050 / 0.130
G20     248.5          37.3               11.7 +/-    1.26      17.9 +/-    1.26  0.050 / 0.130
G21     314.6          47.8                9.6 +/-    1.31      12.5 +/-    1.31  0.160 / 0.340
G25     199.0          11.0               10.7 +/-    2.14      29.3 +/-    2.14  0.240 / 0.440
G26     289.4          19.5               10.7 +/-    1.62      23.8 +/-    1.62  0.100 / 0.330
G29     151.2          68.6               10.5 +/-    1.14      11.1 +/-    1.14  0.100 / 0.330