PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-19:28:00
G05     51.8           11.3               11.1 +/-    3.15      30.1 +/-    3.15  0.040 / 0.080
G10     242.1          20.8               17.0 +/-    1.34      36.6 +/-    1.34  0.050 / 0.080
G13     63.7           33.4               13.2 +/-    0.69      21.5 +/-    0.69  0.060 / 0.130
G15     109.5          57.0               15.8 +/-    0.48      18.4 +/-    0.48  0.060 / 0.110
G16     305.6          15.1                9.3 +/-    3.20      23.1 +/-    3.20  0.190 / 0.660
G20     257.9          44.5               14.0 +/-    0.85      19.0 +/-    0.85  0.150 / 0.840
G21     321.7          52.1               15.9 +/-    1.24      19.6 +/-    1.24  0.030 / 0.050
G26     278.4          18.8               13.5 +/-    1.73      30.6 +/-    1.73  0.030 / 0.040
G29     159.4          62.8               17.0 +/-    1.84      18.8 +/-    1.84  0.190 / 0.370