PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-03:43:10
G05     51.7           9.9                 5.6 +/-    1.72      15.6 +/-    1.72  0.040 / 0.050
G10     241.0          19.1               11.7 +/-    1.99      26.2 +/-    1.99  0.040 / 0.060
G13     65.8           34.2                7.2 +/-    1.51      11.6 +/-    1.51  0.110 / 0.150
G15     108.9          56.1                9.2 +/-    0.38      10.9 +/-    0.38  0.120 / 0.230
G16     310.2          13.0                7.6 +/-    2.44      19.8 +/-    2.44  0.050 / 0.130
G20     255.6          42.6               10.2 +/-    2.22      14.2 +/-    2.22  0.060 / 0.110
G21     321.8          52.5                9.2 +/-    1.19      11.3 +/-    1.19  0.160 / 0.570
G26     282.1          18.7                7.7 +/-    1.21      17.4 +/-    1.21  0.140 / 0.480
G29     156.6          60.5                9.8 +/-    0.47      11.1 +/-    0.47  0.210 / 0.280