PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-18:28:10
G05     52.1           11.0                6.8 +/-    1.98      18.5 +/-    1.98  0.140 / 0.260
G10     242.9          21.6               11.6 +/-    1.25      24.5 +/-    1.25  0.140 / 0.310
G13     62.5           33.0                8.3 +/-    0.49      13.6 +/-    0.49  0.050 / 0.080
G15     105.7          57.1                9.2 +/-    0.56      10.8 +/-    0.56  0.040 / 0.070
G16     304.4          15.4                5.9 +/-    5.46      14.7 +/-    5.46  0.130 / 0.830
G20     259.3          45.6                9.2 +/-    1.86      12.3 +/-    1.86  0.130 / 0.730
G21     323.0          52.9                9.9 +/-    1.15      12.1 +/-    1.15  0.060 / 0.130
G26     277.3          18.5                9.0 +/-    1.46      20.6 +/-    1.46  0.050 / 0.130
G29     160.1          61.8               12.2 +/-    1.17      13.7 +/-    1.17  0.030 / 0.040