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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+installing\s+ladder\s+line\s*$/: 18 ]

Total 18 documents matching your query.

1. [TenTec] installing ladder line (score: 1)
Author: "Vince Santis" <vinsantis@sbcglobal.net>
Date: Sun, 7 Nov 2010 15:36:53 -0500
Can 450 ohm ladder line be bent at 90 degrees around obstructions? Vince Santis, N1vs _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting
/archives//html/TenTec/2010-11/msg00074.html (7,591 bytes)

2. Re: [TenTec] installing ladder line (score: 1)
Author: John Molenda <cdistflatfoot@gmail.com>
Date: Sun, 07 Nov 2010 15:38:17 -0500
And what can it not touch ? thanks John _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
/archives//html/TenTec/2010-11/msg00075.html (7,889 bytes)

3. Re: [TenTec] installing ladder line (score: 1)
Author: "Rick - NJ0IP / DJ0IP" <Rick@DJ0IP.de>
Date: Sun, 7 Nov 2010 14:40:23 -0600
It's really no different than coax, except for what John is hinting at. You have to keep it away from metal objects. Like coax, I always try to arc around a corner, rather than making a square bend.
/archives//html/TenTec/2010-11/msg00076.html (8,136 bytes)

4. Re: [TenTec] installing ladder line (score: 1)
Author: John Hill <n9rlojrh@gmail.com>
Date: Sun, 7 Nov 2010 16:28:18 -0500
-- N9RLO John Hill _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
/archives//html/TenTec/2010-11/msg00077.html (8,387 bytes)

5. Re: [TenTec] installing ladder line (score: 1)
Author: steve r <n8isaham@yahoo.com>
Date: Sun, 7 Nov 2010 13:54:43 -0800 (PST)
 I am assuming you will have it attatched to a stand off on both sides of the bend. If yes I would think it would work. ( Here is my reason why .. I have several 90deg coax adaptors on my amplifier a
/archives//html/TenTec/2010-11/msg00079.html (8,256 bytes)

6. Re: [TenTec] installing ladder line (score: 1)
Author: Steve Hunt <steve@karinya.net>
Date: Sun, 07 Nov 2010 22:09:58 +0000
Ladderline behaves differently from coax, and there might be a small impedance "bump" if you turn it abruptly through 90 degrees; however, in many ladderline applications that wont matter. It certain
/archives//html/TenTec/2010-11/msg00080.html (8,858 bytes)

7. Re: [TenTec] installing ladder line (score: 1)
Author: "Paul Christensen" <w9ac@arrl.net>
Date: Sun, 7 Nov 2010 17:41:35 -0500
Good advice Steve. A transmission line impedance "bump" is generally only an issue when the line must be terminated into its characteristic impedance. In that case, the impedance on the line as a fu
/archives//html/TenTec/2010-11/msg00082.html (9,749 bytes)

8. Re: [TenTec] installing ladder line (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Sun, 07 Nov 2010 17:23:49 -0600
Yes, but it ought to be done gently and it ought to be spaced 4 to 6 inches from everything, especially metals. It should be twisted so both conductor approach objects evenly. Not a rapid spiral but
/archives//html/TenTec/2010-11/msg00084.html (8,635 bytes)

9. Re: [TenTec] installing ladder line (score: 1)
Author: Tony Berg <tony.w1ot@gmail.com>
Date: Sun, 7 Nov 2010 18:27:47 -0500
Paul, Regarding the latter part of your e-mail, I am using a system like the one described at www.w5dxp.com/notuner.htm to feed my 95' center-fed inverted L. 73, Tony W1OT ___________________________
/archives//html/TenTec/2010-11/msg00085.html (8,330 bytes)

10. Re: [TenTec] installing ladder line (score: 1)
Author: Stuart Rohre <rohre@arlut.utexas.edu>
Date: Mon, 08 Nov 2010 18:05:12 -0600
Vince, it is better to do a curved bend, but you can transition 90 degrees with such a curve. If you meant a sharp 90 degree angle in the line, I would not do that, as you would encourage the line to
/archives//html/TenTec/2010-11/msg00093.html (8,720 bytes)

11. Re: [TenTec] installing ladder line (score: 1)
Author: Stuart Rohre <rohre@arlut.utexas.edu>
Date: Mon, 08 Nov 2010 18:09:42 -0600
I regularly run parallel line and insulated ladder line across a metal window sash at right angles, with no problems. But, I set a piece of pipe insulation under the sash bottom to provide an insualt
/archives//html/TenTec/2010-11/msg00094.html (9,452 bytes)

12. Re: [TenTec] installing ladder line (score: 1)
Author: "Rick - NJ0IP / DJ0IP" <Rick@DJ0IP.de>
Date: Mon, 8 Nov 2010 18:17:55 -0600
In other words, do it like our shop teacher used to tell us: "Round every corner"! What happens if you don't. For many years I ran an openwire fed doublet, about 130 ft. total length. I fed it with t
/archives//html/TenTec/2010-11/msg00096.html (9,814 bytes)

13. Re: [TenTec] installing ladder line (score: 1)
Author: "JAMES HANLON" <knjhanlon@msn.com>
Date: Mon, 8 Nov 2010 23:06:53 -0700
Vince, I currently have a 600 ohm line bent about 90 degrees. It comes from my 268 foot center fed Zepp, crosses my roof, goes over an aluminum rain gutter and then down the side of the house to the
/archives//html/TenTec/2010-11/msg00100.html (9,658 bytes)

14. [TenTec] installing ladder line (score: 1)
Author: Jim WA9YSD <wa9ysd@yahoo.com>
Date: Tue, 9 Nov 2010 01:03:20 -0800 (PST)
You have to do what you have to do. Keep the ladder line space with 1 1/2 or more with a small piece of PVC. If the obstruction is metal house siding I would try to find a different route cause it ma
/archives//html/TenTec/2010-11/msg00101.html (7,478 bytes)

15. Re: [TenTec] installing ladder line (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Tue, 09 Nov 2010 03:20:30 -0600
Trouble with introducing a balun is that sometimes ladder line is used to allow a wide tuning range and so there can be a wild set of impedances and SWR on the ladder line that the balun can't handle
/archives//html/TenTec/2010-11/msg00102.html (7,776 bytes)

16. Re: [TenTec] installing ladder line (score: 1)
Author: Steve Hunt <steve@karinya.net>
Date: Tue, 09 Nov 2010 10:14:00 +0000
Jerry, That shouldn't happen with a well-designed 1:1 Guanella Balun, which is the preferred choice for wide-band, wide-impedance-excusion, applications. Unlike a 4:1 Guanella balun or 4:1 Ruthroff b
/archives//html/TenTec/2010-11/msg00103.html (8,506 bytes)

17. Re: [TenTec] installing ladder line (score: 1)
Author: "Dr. Gerald N. Johnson" <geraldj@weather.net>
Date: Tue, 09 Nov 2010 12:40:11 -0600
But Steve, the original post suggesting the balun specifically said 1:4 impedance ratio to transform open line impedances to a better match in coax where the coax is also far more tolerant to bends a
/archives//html/TenTec/2010-11/msg00106.html (8,658 bytes)

18. Re: [TenTec] installing ladder line (score: 1)
Author: Steve Hunt <steve@karinya.net>
Date: Tue, 09 Nov 2010 19:24:29 +0000
Jerry, I was addressing my comments to your application, which I assumed - maybe wrongly - was a balanced-line-fed multiband doublet. The balun I referenced is aimed at 160m thru 40m use; but even at
/archives//html/TenTec/2010-11/msg00107.html (10,124 bytes)

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