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To find pressure maps, two frequencies at f=1840 Hz and f=2359 Hz were used to map out where there are nodes and the shape the pressure takes. The results are the below figures for 1840 Hz. Each was measured in x,y, and the z direction. All pressure maps map out a cosine shape but they arent exact. The measurement in z is incredibly succeptible to human error. It was needed that a lab partner manually move thier hand down every 0.5 cm and of course there is a lot of uncertainity associated with that.