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References: [ +from:paul@g4dcv.co.uk: 23 ]

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1. Re: [Amps] Rivet-nuts (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Wed, 05 Apr 2006 22:09:33 +0100; Will, not quite the answer you wanted. Wonderful things rivet nuts (AKA clinch nuts or Rivnuts). I just "discovered" them and am using them for the lid and base on the GS31b 2m amplifier I am buildin; /archives//html/Amps/2006-04/msg00085.html (8,843 bytes)
2. Re: [Amps] Rivet nuts (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Fri, 07 Apr 2006 10:05:19 +0100; Hi Will There is an animation here of a rivet nut being pulled up by a thread just as you describe: http://www.zygology.com/products/tier2.asp?category=threaded%20inserts I also saw a product mention; /archives//html/Amps/2006-04/msg00099.html (9,356 bytes)
3. Re: [Amps] Rivet nuts] (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Fri, 07 Apr 2006 19:56:00 +0100; Hi Will Put your nuts in the vice and squeeze them I say! That shows them who's boss! It's fast and it's dirty but it works. I've now fitted about 30 in the current RF deck project. We'll see further; /archives//html/Amps/2006-04/msg00104.html (9,644 bytes)
4. Re: [Amps] Amps and ROHS (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Sun, 21 May 2006 08:30:05 +0100; Hi Steve I don't quite follow this about secondhand and vintage equipment? Will it be illegal for example for a UK business to sell me a piece of secondhand or vintage equipment that is not RoHS comp; /archives//html/Amps/2006-05/msg00260.html (7,443 bytes)
5. Re: [Amps] emtron dx-1??? for a couple hundred bucks? (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Mon, 05 Jun 2006 22:31:50 +0100; This had very many of the characteristics of a fake or hi-jacked ebay auction: * Zero feedback, or as in this case feedback that appears to have been made up by satisfied "buyers" with no track recor; /archives//html/Amps/2006-06/msg00147.html (10,954 bytes)
6. Re: [Amps] VHF UHF Amp Book (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Mon, 19 Jun 2006 08:28:55 +0100; I agree the VHF/UHF DX Book is great Steve. But it too is partly out of date, although nothing like as quaintly so as the RSGB VHF Handbook. I wish we could see a revised VHF/UHF DX Book. So much has; /archives//html/Amps/2006-06/msg00324.html (7,284 bytes)
7. Re: [Amps] Russian microwave cermic-metal tube needed (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Wed, 26 Jul 2006 16:37:39 +0100; Maybe this is connected to the recent question about the maximum number of tubes that can be run in parallel? 73 Paul G4DCV _______________________________________________ Amps mailing list Amps@cont; /archives//html/Amps/2006-07/msg01178.html (7,026 bytes)
8. Re: [Amps] US source for TRIODE board (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Thu, 21 Sep 2006 23:53:48 +0100; John, whatever you do, if KA0RYT contacts you after this message to say he has a triode board for sale do not send him any money! I posted a similar message here some time ago, he emailed me to say h; /archives//html/Amps/2006-09/msg00274.html (7,998 bytes)
9. Re: [Amps] DIN Connector (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Wed, 01 Nov 2006 23:43:15 +0000; It does depend on the frequency. I wouldn't use a "UHF" (badly mis-named) connector at UHF or indeed at anything above about 50Mhz. I do use 7/16 DIN connectors in my feedlines. Not because I need to; /archives//html/Amps/2006-11/msg00023.html (8,252 bytes)
10. Re: [Amps] Help ID this amp? (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Thu, 08 Mar 2007 23:19:26 +0000; Almost Keith but I think you are slightly mistaken. It was in a Munsters episode called When a Martian Answers Hang Up. Episode 18 from 1965. http://www.ifilm.com/video/2695534 http://www.youtube.com; /archives//html/Amps/2007-03/msg00143.html (8,165 bytes)
11. [Amps] Abuse of a 4-1000 (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Tue, 15 Apr 2008 23:06:12 +0100; 60kV? Now that's what I call Hipot testing! I wonder if this poor 4-1000 will appear on ebay? http://www.celnav.de/hv/hv2.htm 73 Paul G4DCV _______________________________________________ Amps mailin; /archives//html/Amps/2008-04/msg00202.html (6,932 bytes)
12. Re: [Amps] Alpha 77dx (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Sun, 08 Jun 2008 19:29:09 +0100; Other way round I thought? Or at least it is on this side of the pond. Sellers can't leave anything negative about a buyer even if they have really messed them around. From http://pages.ebay.co.uk/he; /archives//html/Amps/2008-06/msg00069.html (9,671 bytes)
13. Re: [Amps] Alpha 77dx (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Tue, 10 Jun 2008 07:46:46 +0100; It sounds like it was a copied or spoof auction to me. A fraudster rips the text and photographs of a high value item from a genuine auction and then pastes them in to create an auction for something; /archives//html/Amps/2008-06/msg00086.html (10,374 bytes)
14. Re: [Amps] 3-500Z glitch resistor (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Mon, 08 Sep 2008 19:08:35 +0100; For Vic who originally asked this question, I've seen the figure of about 40A suggested as the current limit so for a 3-500Z with 3kV, 75R should do. It isn't the normal power rating of the glitch re; /archives//html/Amps/2008-09/msg00047.html (10,135 bytes)
15. Re: [Amps] 3-500Z glitch resistor (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Mon, 08 Sep 2008 23:39:23 +0100; Hi Carl No disagreement with that. If I understand what's going on during a flashover correctly the first job is to hold the current down to a level that doesn't damage the tube or any other componen; /archives//html/Amps/2008-09/msg00051.html (13,758 bytes)
16. Re: [Amps] 3-500Z glitch resistor (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Tue, 09 Sep 2008 09:40:40 +0100; I wondered about the suitability of microwave oven fuses? They are readily available up to 1A and I guess higher current ones can be had for industrial microwave ovens? I don't know about their abili; /archives//html/Amps/2008-09/msg00068.html (9,003 bytes)
17. Re: [Amps] GI-7b issues (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Tue, 09 Sep 2008 19:58:12 +0100; Hi Bob I haven't used them on HF but I've used a pair of GI-7bs trouble free on 2m for 4 years. Sorry if this sounds like a stupid question but the force air cooling is actually working? The fan is r; /archives//html/Amps/2008-09/msg00087.html (8,998 bytes)
18. Re: [Amps] GS-35b heat sink (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Fri, 20 May 2011 08:33:08 +0100; I remember a conversation with Ian GM3SEK about heatsinks when I was building my GI7b & GS31 2m amplifiers (apologies if I misquote you Ian, you'll probably pop up and say something). I also suggeste; /archives//html/Amps/2011-05/msg00171.html (8,446 bytes)
19. Re: [Amps] Grid current protection HELP (score: 1): Author: Paul Whatton <paul@g4dcv.co.uk>; Date: Tue, 14 Feb 2012 14:47:55 +0000; Hi Rick Being a lover of the KISS principle, in several amps I've used a very simple grid trip circuit where a transistor drives a small latching relay. I claim no originality for it except I've neve; /archives//html/Amps/2012-02/msg00151.html (10,475 bytes)
20. Re: [Amps] Regulations (score: 1): Author: Paul <paul@g4dcv.co.uk>; Date: Thu, 10 Oct 2013 10:22:35 +0100; Hi Peter I'd very much have liked to come to your talk on Saturday (maybe to heckle!) but it clashes with another one I have some involvement with. Back when I was a newbie amateur and member of Cray; /archives//html/Amps/2013-10/msg00175.html (10,177 bytes)

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