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Total 21 documents matching your query.

1. [TowerTalk] 1 or 2 dB (score: 1): Author: Dave Sublette <k4to.dave@gmail.com>; Date: Wed, 18 May 2022 20:53:48 -0400; I've hesitated to chime in here because I thought the problem was being discussed very well and perhaps I don't have anything to add. But I do. Kwajalein, Marshall Islands. The pileups were big and w; /archives//html/Towertalk/2022-05/msg00131.html (8,890 bytes)
2. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: "Lux, Jim" <jim@luxfamily.com>; Date: Wed, 18 May 2022 19:01:12 -0700; From December 1983 to April 1989 I operated 160 through 6 meters from Kwajalein, Marshall Islands. The pileups were big and were there every time I pressed a key or opened a mic. I made 83,000 QSOs,; /archives//html/Towertalk/2022-05/msg00132.html (11,385 bytes)
3. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: turnbull <turnbull@net1.ie>; Date: Thu, 19 May 2022 07:26:34 +0100; Dave, I value your tupence and have copied a local WhatsAp DX group with your observation. Thank you.73 Doug EI2CNSent from my Galaxy -- Original message --From: Dave Sublette <k4to.dave@gmail.; /archives//html/Towertalk/2022-05/msg00133.html (9,682 bytes)
4. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Thu, 19 May 2022 05:34:25 -0500; Propagation is king, but hams can do things to improve contact probability and lessen the effects of fading. When I was in the Army we employed diversity reception and transmission to combat this. Th; /archives//html/Towertalk/2022-05/msg00134.html (7,871 bytes)
5. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: "Lux, Jim" <jim@luxfamily.com>; Date: Thu, 19 May 2022 06:23:37 -0700; This is exactly what the models predict. It turns out that if you model two paths, separated by 2 milliseconds, with random phase, you get Rayleigh fading with 10-20 dB fades. I forget what speed th; /archives//html/Towertalk/2022-05/msg00135.html (9,410 bytes)
6. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: "Charles Gallo (KG2V)" <charlie@thegallos.com>; Date: Thu, 19 May 2022 09:35:17 -0400; On 2022-05-19 09:23, Lux, Jim wrote: <snip> I'm not so sure that it's out of reach. yes, trying to implement it with gear from 1980 would be challenging. But with more modern equipment, where the "r; /archives//html/Towertalk/2022-05/msg00136.html (8,592 bytes)
7. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: "Lux, Jim" <jim@luxfamily.com>; Date: Thu, 19 May 2022 07:08:18 -0700; On 5/19/22 6:35 AM, Charles Gallo (KG2V) wrote: On 2022-05-19 09:23, Lux, Jim wrote: <snip> I'm not so sure that it's out of reach. yes, trying to implement it with gear from 1980 would be challengin; /archives//html/Towertalk/2022-05/msg00137.html (9,403 bytes)
8. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Thu, 19 May 2022 10:43:09 -0500; My test worked, so I'll try again... To everyone that has commented: Thank you very much! This discussion is fabulous! I concede the point that statistically, there is likely to be score improvements; /archives//html/Towertalk/2022-05/msg00140.html (14,899 bytes)
9. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Thu, 19 May 2022 10:50:50 -0500; My test worked, so I'll try again... To everyone that has commented: Thank you very much! This discussion is fabulous! I concede the point that statistically, there is likely to be score improvements; /archives//html/Towertalk/2022-05/msg00141.html (14,715 bytes)
10. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Michael Tope <W4EF@dellroy.com>; Date: Thu, 19 May 2022 10:47:55 -0700; To everyone that has commented: Thank you very much! This discussion is fabulous! I concede the point that statistically, there is likely to be score improvements with 1 dB power increase and certain; /archives//html/Towertalk/2022-05/msg00142.html (10,931 bytes)
11. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 19 May 2022 11:38:44 -0700; The Elecraft K3 with second RX that is the same as the main RX, and which can be synced with the main, allows diversity reception, and I've been using it since 2008. Diversity requires an antenna for; /archives//html/Towertalk/2022-05/msg00143.html (10,816 bytes)
12. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Thu, 19 May 2022 11:52:33 -0700; I should add that when diversity reception is used with wireless microphones for broadcasting, entertainment, and worship, the outputs of the two receivers are "voted" for best signal to noise ratio,; /archives//html/Towertalk/2022-05/msg00144.html (9,650 bytes)
13. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: "Lux, Jim" <jim@luxfamily.com>; Date: Thu, 19 May 2022 15:01:31 -0700; On 5/19/22 11:38 AM, Jim Brown wrote: On 5/19/2022 6:23 AM, Lux, Jim wrote: I'm not so sure that it's out of reach. yes, trying to implement it with gear from 1980 would be challenging. But with more; /archives//html/Towertalk/2022-05/msg00145.html (11,441 bytes)
14. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: David Hachadorian <k6ll.dave@gmail.com>; Date: Thu, 19 May 2022 16:24:08 -0700; Just knowing that you are wasting 21% of your output power in an unnecessary 1 dB of feed line loss will play with your head and cause you to perform sub-optimally. Dave Hachadorian, K6LL Yuma, AZ On; /archives//html/Towertalk/2022-05/msg00146.html (12,648 bytes)
15. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Mike Fatchett W0MU <w0mu@w0mu.com>; Date: Thu, 19 May 2022 17:45:24 -0600; Dave, You are dead on! I have had lousy efforts worrying about stuff like this. When I accept what I have up is what I have to work with and go for it, I always do better. If you think you have a; /archives//html/Towertalk/2022-05/msg00147.html (13,450 bytes)
16. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Kim Elmore <cw_de_n5op@sbcglobal.net>; Date: Thu, 19 May 2022 19:03:39 -0500; This is close to the right idea... Here's a gedanken experiment: have a 1 dB difference in power on even vs odd minutes over a single contest at a major station. Execute a non-parametric permutation; /archives//html/Towertalk/2022-05/msg00148.html (14,154 bytes)
17. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Michael Tope <W4EF@dellroy.com>; Date: Fri, 20 May 2022 15:42:53 -0700; If you use a differencing method that inserts and removes the 1dB transmit attenuator in a way that is not known to the operator and that ensures the operators spends an equal amount of time at each; /archives//html/Towertalk/2022-05/msg00152.html (13,191 bytes)
18. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Stan Stockton <wa5rtg@gmail.com>; Date: Fri, 20 May 2022 17:56:54 -0500; A couple years ago I reduced power from 1200w to 50 watts to thin a gigantic pileup of Europeans on 160. Rate went way up after about five minutes. I think even without that situation occurring you w; /archives//html/Towertalk/2022-05/msg00153.html (13,592 bytes)
19. Re: [TowerTalk] 1 or 2 dB (score: 1): Author: Steve Maki <lists@oakcom.org>; Date: Fri, 20 May 2022 21:47:31 -0400; Yes, in other words you need an ABX test (a true double blind test). Not easy to do. -Steve K8LX On 5/20/2022 6:42 PM, Michael Tope wrote: If you use a differencing method that inserts and removes th; /archives//html/Towertalk/2022-05/msg00154.html (13,981 bytes)
20. [TowerTalk] 1 or 2 dB (score: 1): Author: lstoskopf@cox.net; Date: Tue, 24 May 2022 12:21:24 -0500 (CDT); Since I can't keep my 4 el SteppIR together on a 400 ft hill with a 28-degree slope (updraft), I'm going to a strengthened 3 element. I know the difference between 9 dB or zero dB! N0UU _____________; /archives//html/Towertalk/2022-05/msg00171.html (8,030 bytes)

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