ENTER DATA IN RED
                     
                     
                     
Distance to Receiver FEET                
Distance Divergence (NCRHB, Pg. C-2, Eqn. C-1) dB                
                     
      Octave Band Center Frequency, Hz
  dB(A) dB(Linear) 63 125 250 500 1K 2K 4K 8K
Lw (Sound Power Level)
Any Corrections    
Corrected Lw
Silencer DIL    
Attenuated Lw
Self Noise Lw    
Attenuated Lw+Self Noise
Distance Divergence    
Directivity (NCRHB, Pg B-2)    

Automatic recalculation