PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-01:27:50
G08     269.0          16.7               10.9 +/-    1.75      26.1 +/-    1.75  0.100 / 0.210
G10     69.0           55.4                1.9 +/-    9.64       2.2 +/-    9.64  0.100 / 0.230
G11     309.9          18.3                8.4 +/-    1.39      19.2 +/-    1.39  0.260 / 0.320
G14     271.7          67.0                8.5 +/-    1.53       9.1 +/-    1.53  0.230 / 0.450
G18     310.5          35.3                6.9 +/-    1.38      10.8 +/-    1.38  0.030 / 0.040
G20     99.0           34.0                7.8 +/-    1.46      12.7 +/-    1.46  0.030 / 0.040
G21     155.9          13.1                6.3 +/-    6.72      16.4 +/-    6.72  0.100 / 0.430
G27     229.5          14.1                8.2 +/-   11.64      20.7 +/-   11.64  0.080 / 0.480
G31     176.2          35.0                5.4 +/-   10.28       8.6 +/-   10.28  0.040 / 0.060
G32     348.5          72.7                0.5 +/-    9.75       0.5 +/-    9.75  0.050 / 0.060