PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/11-01:13:00
G10     285.2          46.7               11.9 +/-    1.30      15.6 +/-    1.30  0.090 / 0.210
G15     48.8           37.4                9.4 +/-    0.91      14.3 +/-    0.91  0.090 / 0.220
G18     335.5          66.8               11.3 +/-    0.46      12.2 +/-    0.46  0.050 / 0.060
G20     66.1           22.3                8.6 +/-    1.25      17.9 +/-    1.25  0.040 / 0.040
G21     63.5           77.1               13.5 +/-    0.58      13.8 +/-    0.58  0.050 / 0.080
G24     107.4          22.7               12.3 +/-    0.87      25.3 +/-    0.87  0.070 / 0.120
G27     307.0          31.1               10.9 +/-    1.49      18.7 +/-    1.49  0.040 / 0.040
G29     167.6          13.1               12.9 +/-    1.04      33.5 +/-    1.04  0.050 / 0.040
G32     208.2          22.9               14.5 +/-    2.25      29.7 +/-    2.25  0.090 / 0.270