Mail Archive Search: <+subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+coax\s+stubs\s*$/>

Results:

References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+coax\s+stubs\s*$/: 6 ]

Total 6 documents matching your query.

1. [TowerTalk] coax stubs (score: 1): Author: "Gregg Seidl" <K9KL@centurytel.net>; Date: Tue, 13 Jun 2006 22:07:09 -0500; Can someone please refesh my memory.You make a shorted 1/4 wave for 20 meters and it blocks what?I only have to do this once a year for FD so I tend to forget!!??We are planning on running 20M,40M an; /archives//html/Towertalk/2006-06/msg00237.html (6,444 bytes)
2. Re: [TowerTalk] coax stubs (score: 1): Author: "David Hachadorian" <k6ll@adelphia.net>; Date: Wed, 14 Jun 2006 04:34:31 -0000; -- Well, a shorted .25 stub for 20 passes 20 and rejects 10, not very valuable. Here is a better trick to remember: 40m .25 stub (23' @ vf=.66) shorted, passes 40/15, rejects 20/10 open, passes 20/10; /archives//html/Towertalk/2006-06/msg00238.html (7,700 bytes)
3. Re: [TowerTalk] coax stubs (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Wed, 14 Jun 2006 21:06:56 -0000; See the basic K2TR designs at: http://www.k1ttt.net/technote/techref.html#filters And lots of other info on the other links. David Robbins K1TTT e-mail: mailto:k1ttt@arrl.net web: http://www.k1ttt.ne; /archives//html/Towertalk/2006-06/msg00286.html (8,585 bytes)
4. Re: [TowerTalk] coax stubs (score: 1): Author: Bill Coleman <aa4lr@arrl.net>; Date: Thu, 15 Jun 2006 00:14:56 -0400; How broad are these stubs? Wouldn't a 1/4 wave stub tuned for 7.1 MHz only pass 15m at 21.3 MHz? Can they practically pass/reject the whole band? Bill Coleman, AA4LR, PP-ASEL Mail: aa4lr@arrl.net Quo; /archives//html/Towertalk/2006-06/msg00299.html (7,582 bytes)
5. Re: [TowerTalk] coax stubs (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Thu, 15 Jun 2006 19:41:33 -0000; Stubs are fairly wide band pass and reject filters. Much more than a ham band wide. You have to go to multi-pole lumped filters or crystal filters to get in band rejection. The 'Single Coax Stub Anal; /archives//html/Towertalk/2006-06/msg00331.html (9,441 bytes)
6. [TowerTalk] Coax Stubs (score: 1): Author: "Tom Martin" <tmartin@chartermi.net>; Date: Wed, 31 Mar 2010 15:04:29 -0500; Gary, K4FMX, will be at my QTH this summer installing coax stubs for my SO2R station. Visitors are welcome. :) Tom W8JWN -- I am using the free version of SPAMfighter. We are a community of 7 million; /archives//html/Towertalk/2010-03/msg00697.html (7,001 bytes)

Current List: 1 - 6
Page: [1]