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1. Re: LF: Re. Improving extreame weak signals. (score: 1): Author: "Rik Strobbe" <[email protected]>; Date: Thu, 06 Dec 2001 10:37:13; Hello Jim, I think Rik's idea of displaying 2 tones differentially ought to work, but it would place quite stringent demands on frequency stability. The current spectrograms are not too fussy about e; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-12/msg00469.html (11,180 bytes)
2. Re: LF: Re. Improving extreame weak signals. (score: 1): Author: "James Moritz" <[email protected]>; Date: Wed, 05 Dec 2001 12:56:14 +0000; Dear LF Group, I think we have been here before ... If you chose the optimum resolution for the speed of QRSS you are using, you will get the best signal to noise ratio between "dot" and "no dot" whe; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-12/msg00472.html (12,157 bytes)
3. LF: Re. Improving extreame weak signals. (score: 1): Author: "Laurie Mayhead" <[email protected]>; Date: Wed, 05 Dec 2001 10:51:17 +0100; Further to Riks proposals yesterday re DFCW, I should like to see more use of this mode. Also I am sure that there is more that could be done to improve both the speed of transmission and S/N ratio.; /rsgb_lf_group-archives/html/rsgb_lf_group/2001-12/msg00473.html (9,222 bytes)

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