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381. [TowerTalk] non-conductive lightweight mast (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Mon, 14 Jan 2002 08:08:50 -0500
This appears to be correct. Since posting my original inquiry, I have modeled the antenna with and without a conductive mast, grounded and floating, and there appear to be only miniscule differences
/archives//html/Towertalk/2002-01/msg00355.html (9,658 bytes)

382. [TowerTalk] Antenna News? (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Tue, 15 Jan 2002 09:25:41 -0500
of Nor on www.npr.org. I'm guessing that it may have been on Morning Edition, in which case the material from today's show, in text and streaming audio, will be available today at 12N Eastern, 9AM Pa
/archives//html/Towertalk/2002-01/msg00370.html (8,339 bytes)

383. [TowerTalk] TA? (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Tue, 15 Jan 2002 09:52:03 -0500
Does anyone have a copy of K6STI's TA that they no longer need? Please drop me a note. 73, Pete N4ZR The revised World Contest Station Database is online at www.pvrc.org _____________________________
/archives//html/Towertalk/2002-01/msg00375.html (6,984 bytes)

384. [TowerTalk] RF grounding (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Thu, 17 Jan 2002 14:31:50 -0500
For those of us with less than ideal shack locations (mine's on the second floor), it can be tough to keep RF out of the shack. I seem to have an undesirable resonance in my ground system on 15, at l
/archives//html/Towertalk/2002-01/msg00400.html (7,435 bytes)

385. [TowerTalk] RF grounding -- correction (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Thu, 17 Jan 2002 14:34:20 -0500
that should have read "to another ground rod on the opposite side of the house." Sorry. 73, Pete N4ZR Sometimes a tower is just a tower _______________________________________________________________
/archives//html/Towertalk/2002-01/msg00401.html (7,765 bytes)

386. [TowerTalk] Ant Modeling (long) (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Fri, 18 Jan 2002 05:43:58 -0500
I won't retrace the ground that K1TTT has already covered, but just want to add a few points. The computer codes that are used for modeling (currently NEC-2 and NEC-4 in amateur circles) have been fa
/archives//html/Towertalk/2002-01/msg00410.html (8,676 bytes)

387. [TowerTalk] Ant Modeling (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Fri, 18 Jan 2002 14:39:21 -0500
At the suggestion of Tom, N4KG, I am reposting this to the reflector as well. The latest EZNEC is Windows based. I believe that W8JI uses it for modeling Beverages and other receiving arrays. Accordi
/archives//html/Towertalk/2002-01/msg00415.html (8,904 bytes)

388. [TowerTalk] Loss in Connectors (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Mon, 21 Jan 2002 08:17:06 -0500
Ted, that "consensus" is high at HF by a factor of at least 10. If it were correct, such a connection would run noticeably warm at a KW input, and it doesn't. I tested my HF feedline the other day wi
/archives//html/Towertalk/2002-01/msg00447.html (9,360 bytes)

389. [TowerTalk] Alternate 80m antenna thoughts (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Fri, 25 Jan 2002 08:29:56 -0500
Bill, I have your setup on a somewhat smaller scale -- Rohn 25 with C-3Es at 97 and 69 feet, an EF-240S at 104 feet. For 80 meters I use the 4-element wire parasitic array from K3LR's 8/94 QST articl
/archives//html/Towertalk/2002-01/msg00526.html (9,113 bytes)

390. [TowerTalk] Oil for dummy load (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Fri, 25 Jan 2002 17:07:33 -0500
petrolatum , colorless to yellowish-white hydrocarbon mixture obtained by fractional distillation of petroleum. In its jellylike semisolid form (known as petroleum jelly and also by several trade na
/archives//html/Towertalk/2002-01/msg00544.html (9,170 bytes)

391. [TowerTalk] Short Tower Antenna (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Sun, 27 Jan 2002 09:48:41 -0500
The first fundamental thing you should do is to look at your terrain vs the potential height of your antenna, using a program like YTAD (free with the ARRL Antenna Book. your 40' may be the equivalen
/archives//html/Towertalk/2002-01/msg00574.html (9,902 bytes)

392. [TowerTalk] Summary: Short Tower and Close Foundation (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Tue, 29 Jan 2002 16:10:21 -0500
All he could tell me is that, obviously, computer modeling is Coincidentally, there is a discussion in the current issue of NCJ by L.B., W4RNL, of modeling various innovative and classic 2-element an
/archives//html/Towertalk/2002-01/msg00623.html (8,888 bytes)

393. [TowerTalk] 3/8 fiberglass guys (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Thu, 31 Jan 2002 15:47:48 -0500
Ah -- I bet I know what THAT's for... Seriously, this is great stuff -- very strong and considerably less stretchy than Phillystran. See K7NV's Yagistress web site for a full comparative analysis of
/archives//html/Towertalk/2002-01/msg00674.html (8,520 bytes)

394. [TowerTalk] SO2R on the same tribander (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Sat, 01 Dec 2001 12:53:56 -0500
Reading the Force12 catalogue, I see that they say the C-31XR tribander can be outfitted with three separate feeds, potentially making it usable for SO2R on two separate bands simultaneously. Sounds
/archives//html/Towertalk/2001-12/msg00005.html (7,312 bytes)

395. [TowerTalk] Power vs SWR nomogram (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Sun, 02 Dec 2001 14:42:44 -0500
I'm trying to find some sort of published graphic that displays the relationship between SWR and apparent power, as measured by a standard RF power meter, such as the VFD. Put another way, if the met
/archives//html/Towertalk/2001-12/msg00041.html (7,831 bytes)

396. [TowerTalk] Power vs SWR nomogram (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Sun, 02 Dec 2001 21:50:50 -0500
Thanks to everyone who responded, including a couple who scanned and sent me the Drake nomogram. Unfortunately, I don't believe it does the job I'm looking for. As I understand the nomogram, forward
/archives//html/Towertalk/2001-12/msg00047.html (8,207 bytes)

397. [TowerTalk] Waterproofing Connectors (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Mon, 03 Dec 2001 07:44:53 -0500
When I read one of these recurrent threads about waterproofing connectors, I think I must be leading a charmed life. In 6 years, I have had exactly two water-caused failures, both at the same joint w
/archives//html/Towertalk/2001-12/msg00052.html (10,070 bytes)

398. [TowerTalk] C-31XR in Connecticut (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Tue, 04 Dec 2001 06:18:15 -0500
Thanks, and sorry for the redundancy. 73, Pete N4ZR www.qsl.net/n4zr List Sponsored by AN Wireless: AN Wireless handles Rohn tower systems, Trylon Titan towers, coax, hardline and more. Also check ou
/archives//html/Towertalk/2001-12/msg00070.html (7,045 bytes)

399. [TowerTalk] Fwd: KYTV, Channel 3 - Springfield, MO -Television tower topples] (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Wed, 05 Dec 2001 07:38:00 -0500
Aren't most TV towers, and particularly the really tall ones, equipped with multiple guy anchors in each direction? Seems to me that doing this with amateur towers would virtually eliminate the tree-
/archives//html/Towertalk/2001-12/msg00087.html (9,100 bytes)

400. [TowerTalk] Non-Resonant Guy Lengths? (score: 1)
Author: n4zr@contesting.com (Pete Smith)
Date: Thu, 06 Dec 2001 08:06:54 -0500
Another alternative is the 21-foot semi-rigid power pole insulators sold by Joslyn. 5 years ago mine were $50 each. A set of these separating the tower from the inside end of the top guy will do a lo
/archives//html/Towertalk/2001-12/msg00126.html (9,299 bytes)


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