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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[CQ\-Contest\]\s+How\s+much\s+is\s+a\s+dB\s+worth\s+\?\s*$/: 9 ]

Total 9 documents matching your query.

1. [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Steve London <n2icarrl@gmail.com>
Date: Fri, 26 Feb 2016 15:46:40 -0700
This subject has recently come up on the Topband reflector. I look at this from the question: "How much is a dB worth to my score in a DX contest ?" Information about N1UR's contest performance prese
/archives//html/CQ-Contest/2016-02/msg00295.html (7,793 bytes)

2. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Jim Brown <k9yc@audiosystemsgroup.com>
Date: Sat, 27 Feb 2016 08:37:36 -0800
I suspect that the magnitude of the difference probably depends on the contest. Quite a few years ago, N6ZFO, whose job in pharama development included lots of statistics, did an analysis for NCCC sa
/archives//html/CQ-Contest/2016-02/msg00302.html (9,069 bytes)

3. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Jukka Klemola <jpklemola@gmail.com>
Date: Tue, 1 Mar 2016 10:44:51 +0200
All these 2.6 to 2.8 per cent per deciBel are for CW only. Has anybody invested time to analyze the dB effect on SSB score? My guess is the difference is bigger on phone. 73, Jukka OH6LI ____________
/archives//html/CQ-Contest/2016-03/msg00002.html (9,629 bytes)

4. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Tim Shoppa <tshoppa@gmail.com>
Date: Tue, 1 Mar 2016 06:40:39 -0500
My interpolation on CW and RTTY using my personal logs, for 24-34 hour efforts in 48 hour contests and almost unchanged antenna system, after adding two different amps. Note that my numbers only trac
/archives//html/CQ-Contest/2016-03/msg00005.html (9,353 bytes)

5. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Tom Carrubba KA2D <ka2d@arrl.net>
Date: Tue, 01 Mar 2016 09:29:31 -0500
Hi Tim May I ask, what antenna do you use? Thanks Tom KA2D My interpolation on CW and RTTY using my personal logs, for 24-34 hour efforts in 48 hour contests and almost unchanged antenna system, afte
/archives//html/CQ-Contest/2016-03/msg00007.html (10,001 bytes)

6. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Tim Shoppa <tshoppa@gmail.com>
Date: Tue, 1 Mar 2016 09:41:50 -0500
Certainly, Tom! My antenna is a 130-foot doublet, up 75 feet between trees, fed by tuners and ladder line. On 160M the antenna is fed by tying the ladder line together at ground level and feeding it
/archives//html/CQ-Contest/2016-03/msg00008.html (11,425 bytes)

7. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: David Siddall <hhamwv@gmail.com>
Date: Tue, 1 Mar 2016 10:18:58 -0500
I would postulate that the worth of a dB is not linear, but rather, there is a tipping point. If Tim was using a beam at 50-70 feet on the high bands, I think his results would be more in line with t
/archives//html/CQ-Contest/2016-03/msg00013.html (12,540 bytes)

8. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Tim Shoppa <tshoppa@gmail.com>
Date: Tue, 1 Mar 2016 10:55:25 -0500
Dave, while those statistics were my personal station, I also looked at other scores in top-5 or top-10 boxes of the big DX contests. I would generally say that the #5 NA HP entrants have twice the Q
/archives//html/CQ-Contest/2016-03/msg00015.html (14,850 bytes)

9. Re: [CQ-Contest] How much is a dB worth ? (score: 1)
Author: Mark n2qt <n2qt.va@gmail.com>
Date: Tue, 1 Mar 2016 15:54:40 -0500
My interest in this is related to the 150 watt limit for LP in the ARRL Rtty Roundup. My 100 watts is more like 80 watts after the so2r bandpass filters and stubs. Therefore I could gain almost 3db b
/archives//html/CQ-Contest/2016-03/msg00021.html (8,502 bytes)


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