Frequency-Direction Spectrum 



Date: 16 Sep 86 Time: 1008 



H^^= 0.56 m f.,„ = 0.093 Hz 



pTds =-30.0 deg 



a. Perspective plot 



Contours in Tenths of Maxinnum S(f,9) 



90.0 60.0 30.0 0.0 -30.0 -60.0 -90.0 



^ North 51 (deg) South ^ 



Angle from Normal to Array 



b. Contour plot 



Figure 5. Spectra from a typical low-energy case 



48 



