- 1. Re: [TowerTalk] How much? (score: 1)
- Author: mwbesemer@cox.net
- Date: Fri, 21 Aug 2009 10:21:57 -0400 (EDT)
- If you find a contractor (preferably a small one) in your area that does concrete work, you might be able to convince him to add a yard or two to one of his orders and then just dump it in the hole f
- /archives//html/Towertalk/2009-08/msg00410.html (10,186 bytes)
- 2. Re: [TowerTalk] Seized mast clamp bolts Hy-gain 10 meter yagi (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Sun, 3 Jan 2010 20:39:02 -0500
- "Thread galling seems to be the most prevalent with fasteners made of stainless steel, aluminum, titanium, and other alloys which self-generate an oxide surface film for corrosion protection. During
- /archives//html/Towertalk/2010-01/msg00077.html (10,197 bytes)
- 3. Re: [TowerTalk] N Connectors (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Tue, 9 Feb 2010 21:24:51 -0500
- Roger, Are you saying you've had crimp N-connectors go bad from running them at 1500 watts on HF? If so, I'm amazed. When I was in the Air Force, we ran them at much higher power than that well into
- /archives//html/Towertalk/2010-02/msg00206.html (9,969 bytes)
- 4. Re: [TowerTalk] N Connectors (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Tue, 9 Feb 2010 21:25:40 -0500
- And weatherproof too! 73, Mike WM4B --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com] On Behalf Of Steve Katz Sent: Tuesday, February 09, 2010 9:25
- /archives//html/Towertalk/2010-02/msg00207.html (11,295 bytes)
- 5. Re: [TowerTalk] N Connectors (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Tue, 9 Feb 2010 22:23:02 -0500
- True enough! All our stuff had no more than 2:1 VSWR, which really helped everything survive. That's hard to accomplish on the low-bands... 160 especially. I run a 500' horizontal loop and an inverte
- /archives//html/Towertalk/2010-02/msg00215.html (12,613 bytes)
- 6. Re: [TowerTalk] Measuring Coax Loss (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Thu, 11 Feb 2010 18:55:26 -0500
- Still... a dB or so (or even 3) on a long run of coax isn't going to make a hill of beans difference for most applications... an S-Unit is ~ 6dB. For microwave and weak signal... sure, but you proba
- /archives//html/Towertalk/2010-02/msg00253.html (9,048 bytes)
- 7. Re: [TowerTalk] Measuring Coax Loss (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Thu, 11 Feb 2010 19:03:51 -0500
- Forgot to mention... unless I actually SAW the 10' piece being cut off the longer roll I was considering buying from, I wouldn't trust the measurements anyway. Mike WM4B ____________________________
- /archives//html/Towertalk/2010-02/msg00254.html (10,580 bytes)
- 8. Re: [TowerTalk] Measuring Coax Loss (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Thu, 11 Feb 2010 19:59:11 -0500
- Okay... I'll accept your argument about S-meters because frankly it's not worth arguing about. 3 dB or 6 dB is still not a great deal of loss at HF. I doubt that most of us can hear 3 to 6 dB 99% of
- /archives//html/Towertalk/2010-02/msg00257.html (14,928 bytes)
- 9. Re: [TowerTalk] Measuring Coax Loss (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Thu, 11 Feb 2010 20:01:01 -0500
- I qualified my comments to exclude microwave/weak signal work. If you have that many connectors in-line, how concerned are you REALLY about loss? C'mon guys... for HF and probably VHF, it isn't that
- /archives//html/Towertalk/2010-02/msg00258.html (14,641 bytes)
- 10. Re: [TowerTalk] Measuring Coax Loss (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Thu, 11 Feb 2010 20:13:16 -0500
- Think what you want, Dan... I stand by my argument that 99% of the time 3dB is inaudible. I love the sanctimonious attitude on this list. If somebody disagrees, they're automatically unqualified or s
- /archives//html/Towertalk/2010-02/msg00261.html (18,115 bytes)
- 11. Re: [TowerTalk] Measuring Coax Loss (score: 1)
- Author: "Mike Besemer \(WM4B\)" <mwbesemer@cox.net>
- Date: Thu, 11 Feb 2010 20:19:15 -0500
- So... assuming (as someone suggested) that an S-Unit is 3dB... can you hear the difference between S9+40 and S9+41? S9 & S10? S7 & s8? dB's.....They are really easy to get in the beginning and become
- /archives//html/Towertalk/2010-02/msg00263.html (14,668 bytes)
- 12. 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)
- 13. 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)
- 14. 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)
- 15. 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)
- 16. 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)
- 17. 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)
- 18. 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)
- 19. 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)
- 20. 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)
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