PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-16:58:00
G08     317.0          14.8                5.3 +/-    1.48      13.3 +/-    1.48  0.040 / 0.040
G10     312.1          56.2                6.0 +/-    0.78       7.1 +/-    0.78  0.040 / 0.040
G14     212.7          20.4                9.5 +/-    1.51      20.7 +/-    1.51  0.060 / 0.120
G15     45.7           21.7                5.0 +/-    1.17      10.5 +/-    1.17  0.060 / 0.140
G20     13.9           64.0                8.7 +/-    0.54       9.5 +/-    0.54  0.040 / 0.050
G21     120.1          64.8               10.0 +/-    0.53      11.0 +/-    0.53  0.030 / 0.040
G24     82.5           27.9                7.6 +/-    0.81      13.8 +/-    0.81  0.070 / 0.070
G27     292.4          35.9                7.6 +/-    1.18      11.8 +/-    1.18  0.050 / 0.080
G32     214.9          40.3                9.1 +/-    1.51      13.2 +/-    1.51  0.100 / 0.230