PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-15:28:10
G10     253.7          31.1               10.1 +/-    1.85      17.3 +/-    1.85  0.040 / 0.040
G13     50.0           26.5                6.1 +/-    2.69      11.5 +/-    2.69  0.040 / 0.050
G15     75.6           54.8                9.0 +/-    0.72      10.7 +/-    0.72  0.120 / 0.360
G16     291.5          15.8                7.5 +/-    2.18      18.2 +/-    2.18  0.130 / 0.380
G20     277.8          55.3               10.0 +/-    3.35      11.9 +/-    3.35  0.040 / 0.040
G21     339.5          62.5                7.8 +/-    0.92       8.7 +/-    0.92  0.040 / 0.050
G26     265.2          14.1                6.2 +/-    2.57      15.7 +/-    2.57  0.080 / 0.210
G29     164.8          47.4                9.8 +/-    1.21      12.8 +/-    1.21  0.130 / 0.200