PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-23:28:00
G05     48.9           19.1                8.8 +/-    0.65      19.8 +/-    0.65  0.050 / 0.070
G10     237.4          12.7               15.8 +/-    2.20      41.4 +/-    2.20  0.050 / 0.080
G13     75.2           37.3               11.7 +/-    0.29      17.7 +/-    0.29  0.110 / 0.230
G15     124.8          52.9               14.7 +/-    0.52      17.9 +/-    0.52  0.100 / 0.270
G16     314.3          11.9                9.7 +/-    2.70      26.1 +/-    2.70  0.140 / 0.450
G18     246.8          42.5               14.5 +/-    0.92      20.3 +/-    0.92  0.160 / 0.440
G20     30.9           63.6               12.1 +/-    0.40      13.3 +/-    0.40  0.020 / 0.040
G21     314.4          48.3               11.4 +/-    1.04      14.7 +/-    1.04  0.020 / 0.040
G26     287.7          19.7               11.2 +/-    1.35      24.8 +/-    1.35  0.070 / 0.130
G29     156.1          67.8               13.0 +/-    1.26      13.9 +/-    1.26  0.070 / 0.140