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DL4YHF's Audio Spectrum Analyser Spectrum Lab or Speclab started as a simple FFT program running under DOS a long time ago, but it is now a specialized audio analyzer, filter, frequency converter, hum filter, data logger and more.
Can be used for MTHELL QRSS, DFCW, PSK, MSK, Castle
 Software/Hellschreiber
Listed on Dxzone.com since 2004-10-06
Hits : 8782 - Rating : 7.15 - Votes : 19
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