PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-21:43:10
G05     50.7           12.7                5.5 +/-    2.00      14.5 +/-    2.00  0.060 / 0.070
G10     239.7          18.2               13.8 +/-    1.88      31.7 +/-    1.88  0.050 / 0.060
G13     67.6           34.4                7.1 +/-    1.91      11.4 +/-    1.91  0.070 / 0.120
G15     114.7          55.6                7.5 +/-    0.25       8.9 +/-    0.25  0.050 / 0.120
G16     309.3          14.1                8.0 +/-    2.56      20.2 +/-    2.56  0.030 / 0.040
G20     253.9          41.2               10.7 +/-    2.21      15.3 +/-    2.21  0.040 / 0.030
G21     318.5          50.0                7.7 +/-    0.74       9.8 +/-    0.74  0.100 / 0.170
G26     281.9          19.4                8.5 +/-    1.23      18.9 +/-    1.23  0.110 / 0.190
G29     157.1          65.7                6.9 +/-    0.44       7.4 +/-    0.44  0.150 / 0.550