PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-19:27:50
G05     50.7           14.4                8.0 +/-    1.72      20.2 +/-    1.72  0.120 / 0.610
G10     240.4          17.5               11.7 +/-    1.39      27.3 +/-    1.39  0.110 / 0.580
G13     67.3           35.1               10.5 +/-    1.16      16.7 +/-    1.16  0.080 / 0.200
G15     122.5          55.9               11.1 +/-    0.54      13.1 +/-    0.54  0.060 / 0.220
G16     307.9          14.6                6.9 +/-    1.75      17.2 +/-    1.75  0.070 / 0.070
G20     254.3          41.7               10.7 +/-    1.38      15.1 +/-    1.38  0.060 / 0.060
G21     319.7          51.4               10.7 +/-    1.30      13.2 +/-    1.30  0.100 / 0.290
G26     280.7          19.5                7.1 +/-    1.27      15.9 +/-    1.27  0.130 / 0.310
G29     159.7          65.5               12.5 +/-    0.71      13.6 +/-    0.71  0.060 / 0.120