PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-21:27:40
G05     50.7           12.6                7.9 +/-    1.10      20.8 +/-    1.10  0.110 / 0.320
G10     239.9          18.3               11.9 +/-    1.77      27.4 +/-    1.77  0.120 / 0.330
G13     67.4           34.3                8.2 +/-    0.61      13.2 +/-    0.61  0.070 / 0.070
G15     114.6          55.7                9.8 +/-    0.55      11.6 +/-    0.55  0.060 / 0.060
G16     309.0          14.1                7.9 +/-    1.22      20.0 +/-    1.22  0.110 / 0.370
G20     254.1          41.4               12.0 +/-    1.26      17.1 +/-    1.26  0.120 / 0.300
G21     318.6          50.0               11.3 +/-    1.21      14.2 +/-    1.21  0.050 / 0.130
G26     281.7          19.4                8.5 +/-    1.34      19.0 +/-    1.34  0.050 / 0.130
G29     157.3          65.7                9.2 +/-    0.98      10.0 +/-    0.98  0.070 / 0.130