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1. [Amps] Air gap for 12000 volts? (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Tue, 23 Apr 2002 09:50:29 -0400; What's an 'inch' ?? Bert, VE3QAA; /archives//html/Amps/2002-04/msg00531.html (7,158 bytes)
2. [Amps] TenTec Titan 425 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Mon, 11 Mar 2002 11:59:55 -0500; Mike is right in that gold has one electron in its outer shell, but relating this to high conductivity is an oversimplification. Lithium, sodium and potassium all have one electron in their outer she; /archives//html/Amps/2002-03/msg00243.html (9,353 bytes)
3. [Amps] F.S. 3CX3000A7 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Tue, 19 Mar 2002 13:06:26 -0500; I have a 3CX3000A7 with socket for sale. I bought these a few years ago, intending to build a cool-running amp, but have changed plans. The tube is used but is in excellent physical condition. The se; /archives//html/Amps/2002-03/msg00420.html (6,567 bytes)
4. [Amps] Terminology Question (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Wed, 20 Mar 2002 21:24:48 -0500; Here's a chance to show my age! Very early battery radios had separate batteries to light the filaments of the tubes, to supply the plate voltage, and to provide fixed grid bias. These were known as; /archives//html/Amps/2002-03/msg00449.html (8,636 bytes)
5. [Amps] Terminology Question (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Thu, 21 Mar 2002 08:51:56 -0500; And the more expensive models came with a grid-leak drip pan so you didn't have to mop up the puddles on the floor... Sorry about that - couldn't resist. Bert, VE3QAA; /archives//html/Amps/2002-03/msg00460.html (8,188 bytes)
6. [Amps] Re: [Amps] Bird® 43 Manual (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Thu, 28 Mar 2002 21:22:15 -0500; "Ian White, G3SEK" wrote:_______________ True, but power flow, (the Poynting vector) is a true vector. Voltage and current are also scalars, so what do we have travelling down the transmission line i; /archives//html/Amps/2002-03/msg00672.html (8,924 bytes)
7. [AMPS] FT-1000 Tx-Rx problems (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Sun, 27 May 2001 08:39:10 -0400; About two months ago there were a number of posts on this subject. Suspected and identified causes of the problem included the relay (rl 1005), the relay switch (s1002), pc board connections, and the; /archives//html/Amps/2001-05/msg00455.html (7,521 bytes)
8. [AMPS] care to take a guess..? Alpha problem (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Wed, 30 May 2001 09:28:18 -0400; Does the output as read on the Bird agree, roughly, with the A87 output meter? Bert, fVE3QAA -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests; /archives//html/Amps/2001-05/msg00519.html (11,764 bytes)
9. [AMPS] Problem with Ameritron AL-82 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Fri, 06 Apr 2001 09:32:15 -0400; Hi Mike, You refer in this post to "leading character truncation". The problems I have had either resulted in a very slow build-up of output from the amp (of the order of seconds), or no output at al; /archives//html/Amps/2001-04/msg00138.html (14,047 bytes)
10. [AMPS] ALPHA 77SX on 50Hz (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Sat, 07 Apr 2001 08:29:55 -0400; Please note that "North America" includes Canada and Mexico (and many other entities on the DXCC list). We in VE/VA land have been officially metric for many years now, although the transition has be; /archives//html/Amps/2001-04/msg00153.html (10,299 bytes)
11. [AMPS] 50hz? 25Hz??? (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Mon, 09 Apr 2001 10:38:30 -0400; I don't know about USA, but up until the mid 40's there was a "25 cycle island" in Southern Ontario, inlcuding Toronto, that was on 25Hz. Also I recall shortly after I got my first license in the lat; /archives//html/Amps/2001-04/msg00198.html (8,443 bytes)
12. [AMPS] Re: 230 /115 volts ???? (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Mon, 09 Apr 2001 21:27:27 -0400; Ted measured the "120 volts" as 124 volts - 3.3 percent high. If the " 208 volts" was also 3.3 percent high, this would make it 215 volts, exactly as Ted measured! Tom's explanation is obviously corr; /archives//html/Amps/2001-04/msg00216.html (7,630 bytes)
13. [AMPS] 50hz? 25Hz??? (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Tue, 10 Apr 2001 08:25:18 -0400; Peter, For what it's worth, I once read that the reason for the lower frequency in the old Southern Ontario 25 Hz system was lower losses in long transmission lines. The same source mentioned that in; /archives//html/Amps/2001-04/msg00227.html (7,960 bytes)
14. [AMPS] Vacuum Variable voltage rating (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Thu, 12 Apr 2001 15:40:59 -0400; It will depend on the cross-section area of the shaft. (Think about it). Anyway, 95 percent of atmospheric pressure is hardly a vacuum at all! Bert, VE3QAA -- FAQ on WWW: http://www.contesting.com/F; /archives//html/Amps/2001-04/msg00276.html (7,895 bytes)
15. [Fwd: [AMPS] Vacuum Variable voltage rating] (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Thu, 12 Apr 2001 22:13:56 -0400; This is a multi-part message in MIME format. --454428A98F05C748E1EC1ED0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit --454428A98F05C748E1EC1ED0 Content-Type: message/rfc; /archives//html/Amps/2001-04/msg00289.html (10,004 bytes)
16. [AMPS] Vacuum Variable voltage rating (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Fri, 13 Apr 2001 11:16:22 -0400; Interesting point, since I suppose vacuum caps are of ten stored for years. Have you ever checked if Jennings recommends one or the other? Interesting. I have encountered the same situation; a vacuum; /archives//html/Amps/2001-04/msg00299.html (8,266 bytes)
17. [AMPS] Problem with Ameritron AL-82 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Sun, 25 Mar 2001 09:24:56 -0500; Hi Mike, I had exactly the same problem with my Alpha 87 driven by an FT-1000D. The problem was not the amplifier - it was a fault in the wiring to the "tx-gnd" phono jack on the back of the FT-1000.; /archives//html/Amps/2001-03/msg00249.html (9,334 bytes)
18. [AMPS] Problem with Ameritron AL-82 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Sun, 25 Mar 2001 15:25:30 -0500; That's a good point Tom, but I suggest cleaning both the switch pins and the relay pins as well as the swich contacts. By a great coincidence, shortly after I posted my note, my problem occurred agai; /archives//html/Amps/2001-03/msg00257.html (10,085 bytes)
19. [AMPS] Problem with Ameritron AL-82 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Sun, 25 Mar 2001 21:00:20 -0500; Mike, I'd be willing to bet that the problem is not the FT-1000 relay switching speed, but rather a high resistance contact somewhere between the relay and the amplifier, slowing down the response of; /archives//html/Amps/2001-03/msg00261.html (11,283 bytes)
20. [AMPS] Problem with Ameritron AL-82 (score: 1): Author: kimba@sprint.ca (Bert Barry); Date: Mon, 26 Mar 2001 08:11:12 -0500; I don't see the need for a a modification to the FT-1000D circuit board, when a simple re-flowing of solder joints and/or cleaning of the relay switch contacts will cure the problem. The relay in the; /archives//html/Amps/2001-03/msg00266.html (8,325 bytes)

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