PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-20:43:00
G05     52.6           10.4               10.2 +/-    3.52      28.2 +/-    3.52  0.430 / 0.480
G10     243.5          20.6               15.0 +/-    2.57      32.5 +/-    2.57  0.320 / 0.350
G13     62.4           33.8               12.1 +/-    1.14      19.6 +/-    1.14  0.100 / 0.370
G15     115.7          58.1               13.6 +/-    0.44      15.7 +/-    0.44  0.100 / 0.450
G16     303.6          15.4                9.9 +/-    1.95      24.5 +/-    1.95  0.040 / 0.050
G20     258.9          44.8               13.5 +/-    3.18      18.2 +/-    3.18  0.040 / 0.060
G21     323.7          53.9               12.9 +/-    0.43      15.6 +/-    0.43  0.090 / 0.130
G26     276.0          18.5               12.3 +/-    0.93      28.0 +/-    0.93  0.080 / 0.140
G29     161.9          60.8               14.0 +/-    0.43      15.8 +/-    0.43  0.040 / 0.040