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21. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:26:00 -0500; How, it the real world of ham radio, do you experience hearing the difference of 3dB daily? I'm not talking about a lab. I am not " thinking what I want". I know this to be fact. I experience it dail; /archives//html/Towertalk/2010-02/msg00265.html (21,710 bytes)
22. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Thu, 11 Feb 2010 20:29:10 -0500; At those levels, nobody cares. It is the low weak levels that are of primary concern. Hearing weak signals is the difference between making contact or not. However, if everybody calling you is S9+20; /archives//html/Towertalk/2010-02/msg00266.html (16,478 bytes)
23. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:30:18 -0500; Did I not, twice, exclude weak signal work from my comments? At those levels, nobody cares. It is the low weak levels that are of primary concern. Hearing weak signals is the difference between makin; /archives//html/Towertalk/2010-02/msg00267.html (17,114 bytes)
24. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Thu, 11 Feb 2010 20:32:51 -0500; I spend most of my waking hours working DX. And since I have worked 308 countries on most bands, I hunt for those that I have not yet worked on certain bands. Tonite for example I worked DU9 on 15 me; /archives//html/Towertalk/2010-02/msg00268.html (24,577 bytes)
25. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 11 Feb 2010 17:35:14 -0800; A dB or two can make the difference in a marginal circuit, whether it's microwave or 160M. More than once, while in search and pounce mode during a contest, I've failed to make a contact with a weak; /archives//html/Towertalk/2010-02/msg00269.html (13,418 bytes)
26. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:42:05 -0500; But let's put it in perspective. Suppose you're putting up a new antenna system and have two 100' lengths of coax to choose from, one of which has 1dB more loss than the other. How much is that 1dB w; /archives//html/Towertalk/2010-02/msg00270.html (26,117 bytes)
27. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: Cqtestk4xs@aol.com; Date: Thu, 11 Feb 2010 20:41:57 EST; 3 dB is very large regardless of how many you are starting with. You bet it is...depending on whose S meter you're looking at it could be close to an S unit. Out here when the hordes of EU stations c; /archives//html/Towertalk/2010-02/msg00271.html (9,209 bytes)
28. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:44:24 -0500; Why do I owe you a six pack? If you didn't spend all that money on towers, beams, and coax, you'd be able to keep the equipment calibrated! A dB or two can make the difference in a marginal circuit,; /archives//html/Towertalk/2010-02/msg00272.html (14,232 bytes)
29. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:47:53 -0500; I'm aware that when the signal is at the noise floor, it's going to make a difference. (Seems like a no-brainer.) But, to the average ham with small antennas and small pockets, it just isn't going to; /archives//html/Towertalk/2010-02/msg00273.html (10,188 bytes)
30. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Thu, 11 Feb 2010 20:48:27 -0500; OK, it is now in perspective. Presently, I use an 11 year old radio FT-920 for the last 108 countries and used an older FT-101ZD previously for the first 200 . These radios are all fine radios withou; /archives//html/Towertalk/2010-02/msg00274.html (29,625 bytes)
31. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 11 Feb 2010 17:50:31 -0800; But that's YOUR perspective. It's valid for YOU, but many of us in the hobby have a different one. I have a perspective somewhat like yours with respect to my home music system. It's adequate. When I; /archives//html/Towertalk/2010-02/msg00275.html (10,423 bytes)
32. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Thu, 11 Feb 2010 20:51:23 -0500; What is a big gun? I run 1 KW to yagis up 35 ft on 20 through 2 meters. I run verticals for 160 through 30. Not 4 squares, just 2 verticals. And I have a space alongside the house 30 x 65 ft to cram; /archives//html/Towertalk/2010-02/msg00276.html (11,696 bytes)
33. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:51:48 -0500; Dan, Just out of curiosity, have you checked the sensitivity your 'legacy' rigs against something new? Aren't you losing a dB or two there? Just more fodder! So... how much IS that dB worth? OK, it i; /archives//html/Towertalk/2010-02/msg00277.html (30,529 bytes)
34. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:52:34 -0500; I'm still waiting to see how much that dB is worth to someone! But that's YOUR perspective. It's valid for YOU, but many of us in the hobby have a different one. I have a perspective somewhat like yo; /archives//html/Towertalk/2010-02/msg00278.html (11,211 bytes)
35. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:53:17 -0500; To a guy who moves every couple years, that's a big gun. What is a big gun? I run 1 KW to yagis up 35 ft on 20 through 2 meters. I run verticals for 160 through 30. Not 4 squares, just 2 verticals. A; /archives//html/Towertalk/2010-02/msg00279.html (12,336 bytes)
36. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Dan Schaaf" <dan-schaaf@att.net>; Date: Thu, 11 Feb 2010 20:55:44 -0500; I do not have the test equipment that would let me run those tests. That is why I pay attention to losses external to the radio. And I cannot afford the radios on the market today. So, my paltry buck; /archives//html/Towertalk/2010-02/msg00280.html (34,106 bytes)
37. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: Cqtestk4xs@aol.com; Date: Thu, 11 Feb 2010 20:56:02 EST; But, to the average ham with small antennas and small pockets, it just isn't going to matter. Small antennas and small pockets are not the point. It doesn't take big pockets to get that 3 dB, nor doe; /archives//html/Towertalk/2010-02/msg00281.html (8,931 bytes)
38. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: TexasRF@aol.com; Date: Thu, 11 Feb 2010 20:56:51 EST; If I was an avid hf contester (I am not) and I thought 1 dB would make the difference between running and winning, and I had some extra $$ to blow, I would easily pay $1000 for a dB. 73, Gerald K5GW; /archives//html/Towertalk/2010-02/msg00282.html (10,300 bytes)
39. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Mike Besemer $WM4B$" <mwbesemer@cox.net>; Date: Thu, 11 Feb 2010 20:59:10 -0500; I'm totally with you there. If it comes to improving something, antennas get the most bang for the buck. But I just can't see spending money over a dB or two... especially when I have competing inter; /archives//html/Towertalk/2010-02/msg00283.html (35,190 bytes)
40. Re: [TowerTalk] Measuring Coax Loss (score: 1): Author: "Rick Karlquist" <richard@karlquist.com>; Date: Thu, 11 Feb 2010 17:59:58 -0800; I got 3,000 ft (single run) of 7/8 inch hardline for free. Also got 1,000 ft or so of 1/2 inch hardline for free. Rick N6RK _______________________________________________ ___________________________; /archives//html/Towertalk/2010-02/msg00284.html (9,472 bytes)

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