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Total 20 documents matching your query.

1. [TowerTalk] help me make a decision (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Fri Feb 28 05:34:35 2003
Another consideration apart from being able to change direction 180 degrees easily is to be able to split the power to the two directions, very useful in some Contests. I have a 3el arriving on next
/archives//html/Towertalk/2003-02/msg00569.html (7,267 bytes)

2. [Towertalk] Antenna Problem (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Sun, 10 Nov 2002 15:57:47 -0000
Jon, Don't forget that you should not use 9913 where it is likely to move i.e. around the rotator otherwise it will fracture. 73 Clive GM3POI -- Original Message -- From: "W4ZW" <w4zw@comcast.net> To
/archives//html/Towertalk/2002-11/msg00174.html (10,454 bytes)

3. [Towertalk] Need "X-Hat" Assemblies for Cushcraft 40 (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Tue, 22 Oct 2002 14:05:38 -0000
Jim, They are CC 144mhz elements, I'm not sure which Element but I used a Director off a 20el Collinear. 73 Clive GM3POI -- Original Message -- From: "k4oj" <k4oj@tampabay.rr.com> To: <towertalk@cont
/archives//html/Towertalk/2002-10/msg00711.html (8,525 bytes)

4. [Towertalk] Prop Pitch Electric motor (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Tue, 3 Sep 2002 06:28:05 -0000
Hi gang, Does anyone know the correct pin connections out of the 4 on a PP motor so that I can test the electric motor without the gearbox. My motor appears to be running slow, however the brushes ar
/archives//html/Towertalk/2002-09/msg00096.html (6,455 bytes)

5. [Towertalk] Cold Galvanizing? (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Tue, 2 Jul 2002 08:57:16 -0000
Steve is right. If you find two makes of paint take the heavier one for the same size can, they can vary a lot in Zinc content. 73 Clive GM3POI -- Original Message -- From: <K7LXC@aol.com> To: <n2mg@
/archives//html/Towertalk/2002-07/msg00067.html (8,754 bytes)

6. [Towertalk] TH5 Traps (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Sat, 15 Jun 2002 08:51:09 -0000
Can anyone help with the part No of the internal circular insulators for TH5 traps. Thanks Clive GM3POI
/archives//html/Towertalk/2002-06/msg00224.html (6,424 bytes)

7. [Towertalk] Beverage Radials (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Sun, 23 Jun 2002 11:24:21 -0000
Has anyone any views on whether a small radial system for a beverage, instead of ground rods when placed near the Tx antenna radial system, but 200ft away from the Tx antenna would receive extra indu
/archives//html/Towertalk/2002-06/msg00345.html (6,624 bytes)

8. [Towertalk] Re: taping your joint - Thanks (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Mon, 1 Apr 2002 22:27:59 -0000
The answer is to put a layer of Scotchkote between each layer of tape. I do that here and the joints stay bright and clean for years. I can't say I have seen my outer final layers of Scotchkote dry a
/archives//html/Towertalk/2002-04/msg00032.html (9,071 bytes)

9. [Towertalk] TH5 Circa 1981 (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Sun, 10 Mar 2002 12:13:22 -0000
I have an old TH5 that I have re engineered back to some form of health and would like to have it available as another backup. However it suffers from rain getting into the driven element traps causi
/archives//html/Towertalk/2002-03/msg00111.html (6,734 bytes)

10. [Towertalk] MFJ 259B (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Fri, 29 Mar 2002 15:43:34 -0000
I have been having problems measuring r+jx on my 259B the unit does not appear to resister the jx part of the Z but does indicate the R side. The calculated Z in question is 402 +j208 @ 28mhz however
/archives//html/Towertalk/2002-03/msg00753.html (6,663 bytes)

11. [TowerTalk] Beverage Termination (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Sun, 10 Feb 2002 14:36:17 -0000
Has anyone got any views on the suitability or not of using metal film resistors to Terminate Beverages. 73 Clive GM3POI ________________________________________________________________________ Where
/archives//html/Towertalk/2002-02/msg00328.html (8,173 bytes)

12. [TowerTalk] Beverage Termination (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Sun, 10 Feb 2002 23:52:30 -0000
Thanks to everyone that sent notes re Metal Film resistors. I have found a UK source of 2W Carbon so that's ideal. 73 Clive GM3POI ____________________________________________________________________
/archives//html/Towertalk/2002-02/msg00339.html (8,380 bytes)

13. [TowerTalk] Beverage Termination (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Mon, 11 Feb 2002 00:53:18 -0000
Stan I would have thought that 330 ohms would be about right to terminate a single wire beverage taking into account the additional series earth resistance of a Rod type earth. 73 Clive GM3POI -- Ori
/archives//html/Towertalk/2002-02/msg00343.html (11,272 bytes)

14. [TowerTalk] Beverage Termination - POTS? (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Tue, 12 Feb 2002 10:20:46 -0000
Jim I got a 1000 ohm Carbon track pot from Sky Craft in Orlando and that's been ideal to set values up before changing to fixed Rs.73 Clive GM3POI -- Original Message -- From: "Jim White, K4OJ" <k4oj
/archives//html/Towertalk/2002-02/msg00393.html (12,736 bytes)

15. [TowerTalk] Resonance of loaded Parasitic Elements (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Thu, 6 Sep 2001 13:01:14 -0000
Kevin, The way I did it was to first design a 2el Mono on the PC at my operating height of 100ft and then check the resonant frequency of both the driven and reflector at the PC. Then bring the heigh
/archives//html/Towertalk/2001-09/msg00210.html (10,415 bytes)

16. [TowerTalk] Prop Pitch Bevel Gear (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Fri, 24 Aug 2001 08:10:45 -0000
Lance be careful that the splined o/p shaft has not been distorted by the welding the bevel gear fits with a very fine tolerance. My bevel gear was rusted on so I ended up cutting it off removing the
/archives//html/Towertalk/2001-08/msg00571.html (11,981 bytes)

17. [TowerTalk] Protecting connectors (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Mon, 27 Aug 2001 08:14:55 -0000
Same thing here where 100mph winds tend to force rain into joints. I put Scotchkote on each layer usually starting with tape followed by Scotchkote tape etc. They come out clean if a joint is opened
/archives//html/Towertalk/2001-08/msg00600.html (10,653 bytes)

18. [TowerTalk] Prop Pitch Hash (score: 1)
Author: gm3poi@btinternet.com (Clive GM3POI)
Date: Wed, 18 Jul 2001 13:22:07 -0000
Does any one know the best Value components for curing PP hash from the six brushes?. And are any of you using power diodes across the DC inputs?. Regards Clive GM3POI List Sponsor: Are you thinking
/archives//html/Towertalk/2001-07/msg00273.html (7,152 bytes)

19. Re: [TowerTalk] Opening Scotchkote? (score: 1)
Author: "Clive GM3POI" <gm3poi@btinternet.com>
Date: Sun, 7 Sep 2003 22:34:44 -0000
Barry, Run it under some hot water for a minute, the top then comes undone .73 Clive GM3POI -- Original Message -- From: "Barry " <w2up@mindspring.com> To: <towertalk@contesting.com> Sent: Sunday, Se
/archives//html/Towertalk/2003-09/msg00219.html (8,513 bytes)

20. Re: [TowerTalk] Point me the way.... (score: 1)
Author: "Clive GM3POI" <gm3poi@btinternet.com>
Date: Fri, 19 Dec 2003 16:15:14 -0000
Even better still, I use parallel quarter wave transformers to match 12.5ohms to 50 ohms. So the only addition to the system is another length (about 90ft @ 1.8mhz) to put in parallel with the last 9
/archives//html/Towertalk/2003-12/msg00568.html (9,684 bytes)


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