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Total 26 documents matching your query.

1. [TowerTalk] stack matching with Heathkit 1481 switch (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Wed, 8 Dec 1999 15:58:39 EST
Has anyone used the Heathkit 1481 remote coax switch for feeding a 2 yagi stack? I have an old unit and can't find the schematic for it. I think it is the type that "floats" the unused ports rather t
/archives//html/Towertalk/1999-12/msg00164.html (7,191 bytes)

2. [TowerTalk] Lubricant / protectant (Was tower winch lubricant) (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Thu, 9 Dec 1999 15:47:16 EST
I agree with AA4LR and others about the relative worthlessness of WD40 as a lubricant. It does a great job of loosening rusted bolts, displacing water, however. I have had good success in using a cou
/archives//html/Towertalk/1999-12/msg00204.html (7,659 bytes)

3. [TowerTalk] R 7 help (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Mon, 4 Jan 1999 17:37:15 EST
I had a similar experience with Cushcraft recently while trying to get a balun for a 40 meter beam. I say we vote with our checkbooks and let Cushcraft know what they can do with their policy of not
/archives//html/Towertalk/1999-01/msg00082.html (8,077 bytes)

4. [TowerTalk] stack phasing questions (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sun, 1 Nov 1998 17:31:10 EST
I'm testing a 2/2 40m stack that uses a Cushcraft 402CD@70' and a XM240@130'. I'm feeding this with a WX0B stackmatch. The 402CD is directly coax fed with some ferrite beads over the coax , and the X
/archives//html/Towertalk/1998-11/msg00012.html (8,280 bytes)

5. [TowerTalk] stack phasing questions (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sun, 1 Nov 1998 18:22:44 EST
Thanks for the reply Scott. I guess what I really need to know is which side of the driven element is the "hot side" (i.e. goes to the center conductor), and which is connected to the coax ground. If
/archives//html/Towertalk/1998-11/msg00015.html (9,786 bytes)

6. [TowerTalk] Cushcraft baluns / lousy customer service (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sat, 7 Nov 1998 12:19:39 EST
Following the advice received here on TT, I called Cushcraft to order one of their MNXM baluns to use on my 402CD that I am stacking with a new XM240 so that the phasing and matching would be identic
/archives//html/Towertalk/1998-11/msg00175.html (9,224 bytes)

7. [TowerTalk] XM240 Results (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sat, 10 Oct 1998 21:56:53 EDT
Thanks to some hard work by the PVRC/NC tower Krew (or is it a posse? my hip hop speak isn't too good...K4MA, K4HA, KS4XG, NT4D), we took down a lightning damaged 402CD and replaced it with a XM240.
/archives//html/Towertalk/1998-10/msg00245.html (8,415 bytes)

8. [TowerTalk] dumb dipole mounting question (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sun, 11 Oct 1998 18:16:26 EDT
I have a basic question about mounting dipoles (or inverted vees) on towers. I have always used a PVC (insulated) standoff arm to get the feedpoint of dipoles several feet (usually 3'-5') away from t
/archives//html/Towertalk/1998-10/msg00274.html (7,436 bytes)

9. [TowerTalk] XM240 addendum on interaction (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sun, 11 Oct 1998 18:35:38 EDT
As I reported yesterday, I was extremely pleased overall with the Cushcraft XM240, especially the SWR curves. Today we mounted a 5L 6m beam 5' below and a 4L20m beam 11' below the XM240. Even at thes
/archives//html/Towertalk/1998-10/msg00275.html (7,679 bytes)

10. [TowerTalk] 402-CD Spacing with KT-34XA (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Tue, 13 Oct 1998 08:19:12 EDT
<< Subj: Re: [TowerTalk] 402-CD Spacing with KT-34XA To: <towertalk@contesting.com> Date: 10/13/98 5:21:02 AM GMT Daylight Time From: K7LXC@aol.com Sender: owner-towertalk@contesting.com To: k9rz@pro
/archives//html/Towertalk/1998-10/msg00336.html (9,720 bytes)

11. [TowerTalk] Best height for Carribbean?? (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Tue, 20 Oct 1998 19:07:49 EDT
I plan to sidemount a 3 element tribander aimed at the Carribbean/northern S. America for quick switching. From North Carolina, what angles are most of these signals? What height would you recommend
/archives//html/Towertalk/1998-10/msg00742.html (7,162 bytes)

12. [TowerTalk] MFJ 259 accuracy?? (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sun, 25 Oct 1998 20:46:26 EST
I have a question about the low frequency accuracy of the MFJ 259 antenna analyzer. I spent CQWW weekend doing some antenna work while KS4XG did a 15m SOSB effort from here. Since the station was in
/archives//html/Towertalk/1998-10/msg00872.html (8,906 bytes)

13. [TowerTalk] MFJ 259 accuracy replies - TNX (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Mon, 26 Oct 1998 19:43:20 EST
Thanks to everyone who replied about the problem I had with my MFJ 259 analyzer. It is indeed AM broadcast interference that is causing the problem, which only manifested itself on 160m. I used an IC
/archives//html/Towertalk/1998-10/msg00896.html (7,272 bytes)

14. [TowerTalk] XM240 Experiences (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Mon, 21 Sep 1998 17:31:37 EDT
<< Tower talkonians please heed the warning - Check your element to boom mount and boom to mast mount alignment before installation! I cannot fix the element to element alignment without removing the
/archives//html/Towertalk/1998-09/msg00534.html (8,682 bytes)

15. [TowerTalk] 80 broadbander / 80& 160 interaction? (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Mon, 17 Aug 1998 19:49:55 EDT
I'm doing some work to recover from a lightning strike to one of my towers... I currently have a 160/80 parallel fed inverted vee which has worked well for many years. I want to seperate the two ante
/archives//html/Towertalk/1998-08/msg00520.html (7,591 bytes)

16. [TowerTalk] power line noise (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Tue, 13 May 1997 19:37:43 -0400 (EDT)
I hope this subject is kosher for this reflector... I'm working on getting rid of a particularly nasty case of power line noise. I would appreciate any guidance that any of you folks could offer: Hav
/archives//html/Towertalk/1997-05/msg00341.html (8,569 bytes)

17. [TowerTalk] Insulated wire antennas (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Sun, 23 Mar 1997 12:34:40 -0500 (EST)
While my station is not exactly what you want to model your construction practices after (unless you have a duct tape fetish and aspire to be a roadie for AC/DC), but I do have considerable experienc
/archives//html/Towertalk/1997-03/msg00385.html (7,740 bytes)

18. Rohn 25 bolts (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Mon, 16 Dec 1996 19:31:16 -0500
I need to replace the bolts in a 25G tower. I need to find a better type of bolt, that won't rust so quickly. The Rohn tower doesn't mention what type of bolts to use. Since the stock Rohn bolts didn
/archives//html/Towertalk/1996-12/msg00248.html (7,445 bytes)

19. broken bolt in thrust bearing (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Fri, 1 Nov 1996 12:48:04 -0500
I broke off a bolt in a Rohn TB3 thrust bearing. It broke off even with the edge of the flange on the bearing. Is there a good way to get this out while it's up on the tower, or am I going to be forc
/archives//html/Towertalk/1996-11/msg00004.html (6,848 bytes)

20. 204CA tuning problems (score: 1)
Author: AA4NC@aol.com (AA4NC@aol.com)
Date: Wed, 16 Oct 1996 17:54:32 -0400
I just built a HyGAin 204 and used the supposedly computer optimized 204CA dimensions from N6BV's antenna book. The dimensions of the element lengths and spacing are greatly changed from the stock 20
/archives//html/Towertalk/1996-10/msg00216.html (7,301 bytes)


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