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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+Weak\s+Sig\/Filter\s+BW\s+\[was\:Ten\-tec\s+noise\s+and\s+RX\s+questions\}\s*$/: 6 ]

Total 6 documents matching your query.

1. [TenTec] Weak Sig/Filter BW [was:Ten-tec noise and RX questions} (score: 1)
Author: JimN0OCT@aol.com (JimN0OCT@aol.com)
Date: Wed, 27 Oct 1999 14:01:56 EDT
Mmm, lunch! My opinion on the narrow bandwidth/noise/weak signal phenomenon is that when trying to copy a weak sig out of the noise, narrower is worse(er). The reason being, the noise is limited to a
/archives//html/TenTec/1999-10/msg00702.html (8,679 bytes)

2. [TenTec] Weak Sig/Filter BW [was:Ten-tec noise and RX questions} (score: 1)
Author: n4lq@iglou.com (Steve Ellington)
Date: Thu, 28 Oct 1999 08:19:00 -0400 (EDT)
This is all true but in the TT rigs prior to PBT, there was no such noise. Sit a Triton IV next to an Omni V, Connect both to an antenna and tune to 20 meters where there are no stations. Crank up th
/archives//html/TenTec/1999-10/msg00723.html (9,101 bytes)

3. [TenTec] Weak Sig/Filter BW [was:Ten-tec noise and RX questions} (score: 1)
Author: W8JI@contesting.com (Tom Rauch)
Date: Thu, 28 Oct 1999 09:57:58 -0400
Wider filters increase noise power outside the "passband" of your focus. Using a wider filter does not move the noise to a new frequency and improve S/N. While S/N ratio in your "mental area of focu
/archives//html/TenTec/1999-10/msg00729.html (9,174 bytes)

4. [TenTec] Weak Sig/Filter BW [was:Ten-tec noise and RX questions} (score: 1)
Author: JimN0OCT@aol.com (JimN0OCT@aol.com)
Date: Thu, 28 Oct 1999 10:45:09 EDT
Hi All, That isn't what I was saying. What I was trying to relate was the fact that your brain is trying to distinguish between a weak signal at a mentally focused frequency and noise. The way my ear
/archives//html/TenTec/1999-10/msg00735.html (8,560 bytes)

5. [TenTec] Weak Sig/Filter BW [was:Ten-tec noise and RX questions} (score: 1)
Author: JimN0OCT@aol.com (JimN0OCT@aol.com)
Date: Thu, 28 Oct 1999 11:19:43 EDT
Puck, I would agree with you on this. When there is S8 power line noise that is extremely broadbanded [wiping out 40m, for example], narrower may be better. On a quieter band, with only atmospherics
/archives//html/TenTec/1999-10/msg00737.html (8,457 bytes)

6. [TenTec] Weak Sig/Filter BW [was:Ten-tec noise and RX questions} (score: 1)
Author: W8JI@contesting.com (Tom Rauch)
Date: Thu, 28 Oct 1999 13:43:04 -0400
It works the opposite of that way on moonbounce and 160 meters. Moonbounce ops virtually all use heavy filters, because the background noise is a hiss. Same on 160 meters on quiet nights. Try to use
/archives//html/TenTec/1999-10/msg00740.html (8,209 bytes)


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