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| Subject: | LF: Re: Slow mode comparisons |
| From: | Alberto di Bene <[email protected]> |
| Date: | Sat, 05 Mar 2005 19:19:00 +0100 |
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Mike,going from QRSS3 to QRSS10, when using Argo, means that the FFT bin size is 4 times smaller, and this results in an increase of 6 dB of SNR, provided the useful signal is still confined into a single bin. If you are in "experimentation mode", you could also arrange a comparison between QRSSxx and Jason at various speed. That could be interesting. 73 Alberto I2PHD --------------------------------- Mike Dennison wrote: This morning, I worked a new station for me (No:103), DL3ZID. He first called me on DFCW3, but was impossible to read. He then changed to QRSS3 which was an improvement, but not 100%. A change to QRSS10 gave a really clear easy-to-read signal. |
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