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Hi,
Having tested Sky Sweeper Pro 5, a marvellous spectrum and phase analyzer and DSP software (see review on eham and my websoite), I am looking for short .wav files (1 to 5 min max, mono, 8/16 bits, 10-40 kH samples/sec) suited to be read by Sky Sweeper Pro 5.x. My objective is to estimate the threshold of the application. I know for example that a signal 30 dB over the noise but associated to shadows tunes at 24 dB during an EME QSO cannot be directly decoded digitally but its DSP filtering can help, etc. I would like to determine this minimum in other working conditions than "loud and clear"... I am mainly interested in SSTV (Martin's, Robot's), CW with noise but readable digitally (e.g. from Aurora, MS or EME traffic) and any Hell or other digital signal, including QRSS. Of course good quality files are welcome too. Please make proposal via the email adr on my website http://www.astrosurf.com/lombry Thanks in advance 73 Thierry, ON4SKY |
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