PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/30-21:12:40
G05     51.5           11.6                8.2 +/-    2.10      22.0 +/-    2.10  0.250 / 0.140
G10     241.2          18.2               15.6 +/-    3.22      35.8 +/-    3.22  0.120 / 0.160
G13     66.1           34.8               11.2 +/-    1.73      17.9 +/-    1.73  0.040 / 0.050
G15     118.7          56.5               11.8 +/-    0.36      13.9 +/-    0.36  0.040 / 0.050
G16     305.7          15.5               10.0 +/-    1.83      24.5 +/-    1.83  0.090 / 0.320
G20     244.4          5.5                 6.3 +/-    1.96      19.1 +/-    1.96  0.090 / 0.330
G21     319.3          51.0               11.7 +/-    0.72      14.6 +/-    0.72  0.060 / 0.100
G26     278.0          19.7               13.1 +/-    1.83      29.0 +/-    1.83  0.080 / 0.110
G29     160.9          65.2               11.3 +/-    0.36      12.3 +/-    0.36  0.040 / 0.040