PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/07-19:42:40
G05     51.5           11.6                8.1 +/-    3.10      21.8 +/-    3.10  0.040 / 0.070
G10     241.6          20.3               11.5 +/-    2.08      25.2 +/-    2.08  0.040 / 0.090
G13     64.4           33.6                9.6 +/-    0.62      15.7 +/-    0.62  0.060 / 0.130
G15     111.6          56.8               11.5 +/-    0.69      13.4 +/-    0.69  0.050 / 0.110
G16     306.3          14.9                7.0 +/-    3.93      17.4 +/-    3.93  0.030 / 0.050
G20     257.1          43.9               10.3 +/-    1.01      14.1 +/-    1.01  0.030 / 0.050
G21     321.1          51.7               11.7 +/-    1.18      14.5 +/-    1.18  0.140 / 0.480
G26     279.0          18.9                8.0 +/-    1.73      18.1 +/-    1.73  0.140 / 0.560
G29     159.1          63.4               11.5 +/-    1.19      12.7 +/-    1.19  0.090 / 0.170