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Total 230 documents matching your query.

1. [TowerTalk] Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sat Aug 9 11:33:56 2003
Why use poorly designed antennas in the first place, ropes in the elements just fixes a poor design. Sure if you get those poorly designed antennas for free but I wouldn?t pay money for them. Proberl
/archives//html/Towertalk/2003-08/msg00298.html (10,409 bytes)

2. [TowerTalk] Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sat Aug 9 14:24:27 2003
Dale, no offence but this is not new to me, I know excactly how to remove rivets, and put them in. Different opinions but I still think it?s easier to remove two screws instead of drill out rivets. H
/archives//html/Towertalk/2003-08/msg00306.html (10,954 bytes)

3. [TowerTalk] Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sat Aug 9 17:02:52 2003
I started to use stainless screws more then 25 years ago, I have gone thru that process with corroded screws a long time ago and did learn. I have more then 70 yagi ( HF bands) elements up in the air
/archives//html/Towertalk/2003-08/msg00307.html (13,633 bytes)

4. [TowerTalk] (Tower Talk) Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sun Aug 10 00:26:36 2003
Why use poorly designed antennas in the first place, ropes in the elements just fixes a poor design. Sure if you get those poorly designed antennas for free but I wouldn?t pay money for them. Proberl
/archives//html/Towertalk/2003-08/msg00312.html (8,127 bytes)

5. [TowerTalk] Re: Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sun Aug 10 09:21:10 2003
No Yes No 73 Jim SM2EKM
/archives//html/Towertalk/2003-08/msg00331.html (10,710 bytes)

6. [TowerTalk] Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Mon Aug 11 02:49:23 2003
Yes I know. The first Yagi I built 30 years ago lost the elements after just 2 weeks due to vibrations/resonance, was then fixed with ropes since at that stage I didn?t know better. These days I don?
/archives//html/Towertalk/2003-08/msg00354.html (10,901 bytes)

7. [TowerTalk] Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Mon Aug 11 06:05:39 2003
With due respect ON4KJ I simply can?t get what?s so funny about what I wrote, please let me in on the fun. Now, if you think it was a joke I must inform you that that wasn?t the meaning. Since this d
/archives//html/Towertalk/2003-08/msg00361.html (9,960 bytes)

8. [TowerTalk] Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Mon Aug 11 06:58:41 2003
Yes I did ignore the question, as many also do with questions I ask, that?s life. To answer it shortly. I feel no need to present my designs at this forum. You can choose to either beleive what I?m s
/archives//html/Towertalk/2003-08/msg00365.html (10,401 bytes)

9. [TowerTalk] Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Mon Aug 11 13:01:50 2003
Well, I was going to back out of this but I guess it?s difficult. This is the second time Steve point this out, I thought everybody had gotten the picture. This is more or less the way I have designe
/archives//html/Towertalk/2003-08/msg00380.html (9,143 bytes)

10. [TowerTalk] Re: Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Mon Aug 11 13:22:49 2003
Just came to think of one thing. Since I?m using double tubing in the center it might act like a damper of some kind. Actually the inner tube goes right thru the other tube and then there are spacers
/archives//html/Towertalk/2003-08/msg00382.html (11,196 bytes)

11. [TowerTalk] Re: Antenna element vibration damping - How (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Tue Aug 12 01:43:08 2003
Thank?s for this info, very interesting. After reading this I can see that I did some right things. What I mean with my elements isn?t vibrating is that I can neither see or hear any vibration, I hav
/archives//html/Towertalk/2003-08/msg00396.html (10,639 bytes)

12. [TowerTalk] Re: antenna element vibration damping - how (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Tue Aug 12 01:51:16 2003
Thank?s Hank very good explanation. Now nobody has to ask anymore and I can see I have done the right thing. Also I don?t have to explain anymore with my crummy English, but people doesn?t beleive me
/archives//html/Towertalk/2003-08/msg00397.html (8,855 bytes)

13. [TowerTalk] Re: homemade beams (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sat Jun 21 01:37:17 2003
IMO this is the best way to do a gamma. I have a number of antennas in operation using this method and I have never noticed anything negative with it. 73 gl Jim SM2EKM --
/archives//html/Towertalk/2003-06/msg00319.html (9,106 bytes)

14. [TowerTalk] Bob Browns W0SYK Rotating Big Bertha (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Tue Apr 1 01:03:52 2003
Well, should be Bill Brown, W0SYK. Man did that fellow have a big 20m signal, big antenna and big amplifier= big signal. I might have the article so if noone in the states has it let me know and I?ll
/archives//html/Towertalk/2003-04/msg00001.html (6,771 bytes)

15. [TowerTalk] Virus alert (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sat Feb 22 12:16:03 2003
Now is this the towertalk or the computer virus reflector? If it ain?t towertalk I?ll be out of here. / SM2EKM --
/archives//html/Towertalk/2003-02/msg00424.html (7,577 bytes)

16. [Towertalk] Re: 100M-long boom Yagi for 20M (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sun, 12 Jan 2003 09:04:18 +0100
Yes remember working W6TSW all the time back then, he had a big signal indeed, beacme SK a few years ago I think. However, 16 dBi can be obtained quite easy with a 2 yagi stack. Also remember back in
/archives//html/Towertalk/2003-01/msg00217.html (9,447 bytes)

17. [Towertalk] Re: F12 C-3E (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Tue, 03 Dec 2002 16:40:15 +0100
The bigger antenna the stronger you feel. When the antennas gets very big you don´t even have to put RF on them to feel strong, just go out and look for a while, kind a nice since you wount run
/archives//html/Towertalk/2002-12/msg00123.html (10,846 bytes)

18. [Towertalk] Re: Dumb Question (swagged elements) (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Fri, 06 Dec 2002 17:53:34 +0100
Man have I wasted a lot of time all these years. 73 Merry Christmas may Santa be nice to you / Jim SM2EKM --
/archives//html/Towertalk/2002-12/msg00233.html (8,680 bytes)

19. [Towertalk] Re: IS Boom length the HOLY GRAIL ? (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sun, 17 Nov 2002 05:22:26 +0100
Where can I read about this? Or is this by your own measurements? 73 Jim SM2EKM --
/archives//html/Towertalk/2002-11/msg00403.html (8,613 bytes)

20. [Towertalk] Re: Loop Gain (was LPA designs) (score: 1)
Author: sm2ekm@telia.com (Jan Erik Holm)
Date: Sun, 17 Nov 2002 05:32:02 +0100
Not exactly true. It was a fellow working for HCJB, he had a W9 call but I can´t remember it, think his name was Clarence "something". Yes they have log periodic Yagis. 73 Jim SM2EKM
/archives//html/Towertalk/2002-11/msg00404.html (9,022 bytes)


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