Mail Archive Search: <+from:G3SEK@ifwtech.demon.co.uk>

Results:

References: [ +from:G3SEK@ifwtech.demon.co.uk: 419 ]

Total 419 documents matching your query.

1. [AMPS] Surge voltage, HV connectors. (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Thu, 2 Mar 2000 21:00:37 +0000; Multi-pole HV connectors are hard to find. Another alternative is to use a coaxial HV-rated connector for the B+ lead and a multi-pole connector to carry B-, the main chassis ground and also that "En; /archives//html/Amps/2000-03/msg00081.html (10,103 bytes)
2. [AMPS] reply on connectors and VHF (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sat, 4 Mar 2000 07:09:10 +0000; Correction: it's already dark, and already raining. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.demon.co.uk/g3sek -- FAQ on WWW: http:; /archives//html/Amps/2000-03/msg00144.html (7,933 bytes)
3. [AMPS] Re: Surge voltage, HV connectors. (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sun, 5 Mar 2000 09:26:25 +0000; Kings are merely a manufacturer - you need to check the type of connector. The safest by far are the SHV, which look like a pair of stretched BNCs with the inner connectors reversed. MHV just look li; /archives//html/Amps/2000-03/msg00153.html (9,595 bytes)
4. [AMPS] Re: Surge voltage, HV connectors. (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sun, 5 Mar 2000 15:03:08 +0000; We exported our mains supply system all over the British Empire and most of continental Europe. If the Americas had waited until electric power was invented before declaring independence, you'd be us; /archives//html/Amps/2000-03/msg00163.html (12,034 bytes)
5. [AMPS] reply on connectors and VHF (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Sun, 5 Mar 2000 22:31:33 +0000; I'd still put it one step saner than being here on the AMPS list... 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.demon.co.uk/g3sek -- F; /archives//html/Amps/2000-03/msg00215.html (8,501 bytes)
6. [AMPS] Network analysis of suppressors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Mon, 6 Mar 2000 07:58:15 +0000; N7WS made a direct comparison between two nichrome/resistor suppressors supplied by Rich, and a conventional copper-coil/resistor supplied by Tom. He used a vector impedance meter to measure equivale; /archives//html/Amps/2000-03/msg00236.html (10,890 bytes)
7. [AMPS] Re: Poor science (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 7 Mar 2000 09:35:26 +0000; I liked your analogy of the motorbike engine - it certainly kicked me from thinking "can't ever happen" into "could happen sometimes." However, the motorbike engine is pretty predictable [insert joke; /archives//html/Amps/2000-03/msg00357.html (14,755 bytes)
8. [AMPS] Power Handling of Resistors (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 7 Mar 2000 09:29:25 +0000; More data: at DC I've overloaded 2W metal oxide film resistors 10x for a whole minute. They ran bright red-hot, with lots of smoke from the paint, but when they cooled down they were still within res; /archives//html/Amps/2000-03/msg00358.html (9,353 bytes)
9. [AMPS] Manometer (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 7 Mar 2000 09:24:11 +0000; Thin transparent plastic tubing, taped to a ruler in two parallel lines with a loop at the bottom. A few drops of colored ink, a tiny trace of detergent. Just add water. 73 from Ian G3SEK Editor, 'Th; /archives//html/Amps/2000-03/msg00359.html (8,144 bytes)
10. [AMPS] Suppressor measurements (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Wed, 8 Mar 2000 08:23:15 +0000; That's a very generous offer, Fred - but before you go ahead, you'd be well advised to check what happened the last time. Search DejaNews from about September 1997 onwards, and look for "N7WS". Befor; /archives//html/Amps/2000-03/msg00452.html (7,990 bytes)
11. [AMPS] Re: Poor science (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Wed, 8 Mar 2000 07:22:20 +0000; Don't worry, Carl. In that particular area, we're already getting along just fine! 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.demon.c; /archives//html/Amps/2000-03/msg00453.html (9,111 bytes)
12. [AMPS] Re: Poor science (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Wed, 8 Mar 2000 07:09:13 +0000; I don't know. There is enough evidence to speculate, but not enough to confirm *any* view of what happened. We're 'all speculated out' about this, and we can't get any further without additional evid; /archives//html/Amps/2000-03/msg00454.html (10,265 bytes)
13. [AMPS] Rocky Point effects (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Thu, 9 Mar 2000 13:07:48 +0000; Yes. If there is a small gas release, the gettering action (which depends on the gas molecules colliding with the metal surfaces) would take place on a timescale of seconds. That's way too slow to pr; /archives//html/Amps/2000-03/msg00503.html (9,792 bytes)
14. [AMPS] VHF visitation (was power handling...) (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Thu, 9 Mar 2000 17:35:10 +0000; And parasitics in a vacuum are not? 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) http://www.ifwtech.demon.co.uk/g3sek -- FAQ on WWW: http://www.contesting; /archives//html/Amps/2000-03/msg00506.html (8,441 bytes)
15. [AMPS] Rocky Point effects (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Thu, 9 Mar 2000 22:20:20 +0000; Nobody mentioned "instant" gettering. I said a timescale of seconds. The reaction is chemical. No electrical power is required. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist; /archives//html/Amps/2000-03/msg00508.html (9,491 bytes)
16. [AMPS] Rocky Point effects (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Fri, 10 Mar 2000 14:09:03 +0000; I had written: Rich Measures replied: Oh no, not enough yet... I respect to your practical experience of HF amps, but I will not defer to your ignorance. Many contributors to this list have qualifica; /archives//html/Amps/2000-03/msg00538.html (11,893 bytes)
17. [AMPS] New G2DAF amplifier information (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 14 Mar 2000 07:06:52 +0000; Thanks to the RSGB Library, the original G2DAF article is now downloadable as a PDF file from my web site: http://www.ifwtech.demon.co.uk/g3sek/g2daf.htm The pages are reproduced without technical co; /archives//html/Amps/2000-03/msg00651.html (8,209 bytes)
18. [AMPS] Receiver performance (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 14 Mar 2000 14:11:38 +0000; When doing a comparative review of several DSP audio filters, I found that most - but significantly not all - units gave good CW filtering performance right down to the lowest signal/noise ratios. I; /archives//html/Amps/2000-03/msg00673.html (10,660 bytes)
19. SV: [AMPS] New G2DAF amplifier information (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Tue, 14 Mar 2000 22:38:45 +0000; There is no more, unless/until I get to RSGB HQ and find something of relevance in G2DAF's old notes. It would be fun to revive the original amplifier and put it through the mill with modern test equ; /archives//html/Amps/2000-03/msg00692.html (7,654 bytes)
20. [AMPS] Re: New G2DAF amplifier information (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Wed, 15 Mar 2000 07:52:11 +0000; [snip] Please, let's not start that empty argument again! Neither of you is saying anything new. 73 from Ian G3SEK Editor, 'The VHF/UHF DX Book' 'In Practice' columnist for RadCom (RSGB) http://www.i; /archives//html/Amps/2000-03/msg00695.html (9,212 bytes)

Current List: 1 - 20
Page: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20]