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Total 62 documents matching your query.

1. [TowerTalk] Magnetic switch source (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Fri, 27 May 2016 08:31:44 -0400
Hello all, Anyone have info on the magnetic switches which are used in the Orion rotators? I am using one now with a prop pitch gearbox and looking for spares. It's about 5/16 inch in dia, with a whi
/archives//html/Towertalk/2016-05/msg00551.html (7,831 bytes)

2. [TowerTalk] Prosistel rotators (was control box problem) (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Mon, 15 Aug 2016 11:06:27 -0400
Hello all, Since this thread has turned into quality of the gearbox as much as the pot replacement, thought I would share my experiences. Almost exactly 10 years ago, I purchased a PST-71D for use wi
/archives//html/Towertalk/2016-08/msg00206.html (11,939 bytes)

3. Re: [TowerTalk] Prosistel rotators (was control box problem) (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Mon, 15 Aug 2016 12:20:02 -0400
Hi Jim, It is mechanically strong. This model, at least. If there was good shaft sealing and no water intrusion, I think it would be fine. Pots don't often fail and I have already figured out a fix f
/archives//html/Towertalk/2016-08/msg00208.html (8,835 bytes)

4. Re: [TowerTalk] HF6V choke coil (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Wed, 14 Sep 2016 20:51:50 -0400
Hello all, This base coil provides the correct amount of inductance to tune the antenna for a low SWR on 75/80. There is no 'magic bullet' to how much this would be. It all depends on each installati
/archives//html/Towertalk/2016-09/msg00276.html (11,844 bytes)

5. [TowerTalk] SWR and voltage (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Mon, 26 Sep 2016 11:17:48 -0400
Hello all, As I recall, in a 50 ohm system, 1500 watts is about 400 volts and about 6 amps. Could someone give me an approximation of what I could expect at 2:1 and 3:1 SWR? Or, direct me to a formul
/archives//html/Towertalk/2016-09/msg00442.html (7,973 bytes)

6. Re: [TowerTalk] SWR and voltage (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Mon, 26 Sep 2016 11:48:42 -0400
Exactly what I was looking for, Steve. I should have mentioned that I was looking for a max number. Would hate to have the device conduct while running the 'full boogie'. 73 de Steve, NR4M Firstly yo
/archives//html/Towertalk/2016-09/msg00446.html (9,588 bytes)

7. [TowerTalk] station to station interference (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Tue, 27 Sep 2016 20:17:48 -0400
Hello all, I'm good at some things and not so much, at others and I have problems thinking 'outside of the box', so looking for ideas. Have a multi mult here in central VA, which seems to work well.
/archives//html/Towertalk/2016-09/msg00469.html (9,619 bytes)

8. [TowerTalk] station to station interference (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Thu, 29 Sep 2016 14:33:32 -0400
Hello all, Thanks for all the ideas. Best i can say now, is that it looks like it will be a long, drawn out PITA. W4TV: Re the pre-selectors in the Flex. They were 'engaged' (turned on; enabled...) F
/archives//html/Towertalk/2016-09/msg00481.html (8,563 bytes)

9. Re: [TowerTalk] Information on Antenna (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Fri, 21 Oct 2016 20:22:14 -0400
Hello all, My guess is it's some sort of Mosley antenna. Those cast clamps are exactly like the ones I've seen on the Mosley's I've dealt with. And, those plastic element mounting blocks are very typ
/archives//html/Towertalk/2016-10/msg00295.html (9,531 bytes)

10. Re: [TowerTalk] Guy Tensioning (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Sat, 22 Oct 2016 12:43:14 -0400
Don, Finally glad to see that someone else is a bit more 'clued in' on tensioning guys using a Loos gauge. So often in the past, I've seen people recommend them, and others, go on and on about how gr
/archives//html/Towertalk/2016-10/msg00304.html (11,356 bytes)

11. [TowerTalk] four square array tuning (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Mon, 28 Nov 2016 17:27:52 -0500
Hello all, Over the last few years, I have added four square arrays for 40 meters and 80 meters, and both work really outstanding. Recently, I added a third one for 20 meters and am having a difficul
/archives//html/Towertalk/2016-11/msg00237.html (8,306 bytes)

12. Re: [TowerTalk] four square array tuning (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Mon, 28 Nov 2016 17:44:59 -0500
Hello Peter, I just don't remember it that way. I guess I'm just getting old. Another told me that I needed to remove the coaxes and short the box end of each coax. I'll kick it's butt tomorrow. 73 d
/archives//html/Towertalk/2016-11/msg00239.html (9,106 bytes)

13. Re: [TowerTalk] Ground radials for phased arrays (score: 1)
Author: "Steve, NR4M" <steve@nr4m.com>
Date: Fri, 13 Jan 2017 14:34:30 -0500
Hello Charlie. I don't know why. I've done it both ways with each installation working quite well. And it may be something like, depending upon the phasing, unequal currents in the radial wires. if t
/archives//html/Towertalk/2017-01/msg00218.html (8,263 bytes)

14. Re: [TowerTalk] Ground radials for phased arrays (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Fri, 13 Jan 2017 17:13:28 -0500
That was from me, Steve, NR4M On 1/13/2017 2:34:PM, Steve, NR4M wrote: Hello Charlie. I don't know why. I've done it both ways with each installation working quite well. And it may be something like,
/archives//html/Towertalk/2017-01/msg00221.html (8,937 bytes)

15. Re: [TowerTalk] What am I missing....balun (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Fri, 17 Feb 2017 07:57:09 -0500
Hell all, I think I agree with Wes. How else do you show a prospective customer how it is built and quality of the parts used. Since it's 'built to order', there would not be one in stock to open up
/archives//html/Towertalk/2017-02/msg00354.html (9,901 bytes)

16. Re: [TowerTalk] Long Tangent U Bolts (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Mon, 10 Apr 2017 17:45:47 -0400
Don W7WLL I find hot dipped galvanized is superior to stainless steel. Too often the stainless is 'one-time-use' stuff because of galling. I have never had a galvanized U-bolt fail in any way. I get
/archives//html/Towertalk/2017-04/msg00074.html (8,150 bytes)

17. [TowerTalk] Telex-Hygain commercial/military rotator (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Fri, 16 Jun 2017 17:38:32 -0400
Hello all, I have one of those really large, really heavy Telex/Hygain rotators from a military tower system. It is 12" x 15" x 22" long and probably weighs 120 pounds, or so. Internally there is a A
/archives//html/Towertalk/2017-06/msg00174.html (7,663 bytes)

18. Re: [TowerTalk] Telex-Hygain commercial/military rotator (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Fri, 16 Jun 2017 19:24:46 -0400
Peter, It appears that there may have been 'something' on the inside of one of the panels, but nothing now. Steve 73 Peter, DJ7WW Hello all, I have one of those really large, really heavy Telex/Hygai
/archives//html/Towertalk/2017-06/msg00180.html (8,712 bytes)

19. Re: [TowerTalk] 40 Meter Yagi (score: 1)
Author: Steve Bookout <steve@nr4m.com>
Date: Sun, 18 Jun 2017 23:06:43 -0400
Joe, A couple of years ago, I built 4 Moxon's for 40, two for me and two for a buddy (actually, he help quite a bit) and could not be happier The boom is 21 1/2 feet as I recall and I know the elemen
/archives//html/Towertalk/2017-06/msg00222.html (9,524 bytes)

20. Re: [TowerTalk] Saddle clamps (muffler clamps) (score: 1)
Author: Steve NR4M <steve@nr4m.com>
Date: Fri, 30 Jun 2017 09:40:29 -0400
Hello Gary, Good luck on finding something. Years ago, I was not happy with my choices. I just can not see paying ~$15 for a SS U-bolt and 'part-the-way-around' saddle. Don't know the alloy of the SS
/archives//html/Towertalk/2017-06/msg00427.html (9,605 bytes)


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