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1. [AMPS] Constant Voltage (Sola) Transformer wanted (score: 1): Author: ve3zi@hotmail.com (Roger Parsons); Date: Tue, 13 Nov 2001 12:11:39 +0000; Hi I wonder if anyone can help me with a source for a CVT? I need minimum 2.5kVA, 208V input, 240V output, single phase. I really don't want to (can't!) pay Sola's new prices. This is for my remote s; /archives//html/Amps/2001-11/msg00223.html (7,866 bytes)
2. [AMPS] Constant Voltage (Sola) Transformer wanted (score: 1): Author: ve3zi@hotmail.com (Roger Parsons); Date: Tue, 13 Nov 2001 18:32:17 +0000; All: Many thanks all for the replies, and the very good points made. The general consensus seems to be 'Don't use a Sola transformer if it's the last thing in the world!' I should perhaps explain the; /archives//html/Amps/2001-11/msg00233.html (10,315 bytes)
3. [AMPS] buying from folks in canada (score: 1): Author: ve3zi@hotmail.com (Roger Parsons); Date: Thu, 02 Aug 2001 11:57:27 +0000; FWIW, I find it usually takes about a week for a normal letter to/from the states. Registered and Special Delivery letters can take much longer - up to a MONTH just because there's more signatures an; /archives//html/Amps/2001-08/msg00013.html (6,931 bytes)
4. [AMPS] re: Dayton and Emtron (score: 1): Author: ve3zi@hotmail.com (Roger Parsons); Date: Thu, 24 May 2001 13:02:09 -0000; Hi Skipp Interesting comments. I saw the amps and agree they look pretty nice. I would also allow a much greater clearance for high voltages, but in fact it is probably OK. IEC standard 60079-11 rela; /archives//html/Amps/2001-05/msg00403.html (12,172 bytes)
5. [AMPS] Low capacitance filament transformers (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Thu, 04 Jan 2001 00:24:20; I am currently having fun modifying a CSI 1kW 100MHz fm transmitter for 40-80-160m. This TX uses an 8877 in gg. It has a standard, not low capacitance, filament transformer, there is NO filament chok; /archives//html/Amps/2001-01/msg00111.html (8,131 bytes)
6. [AMPS] Amplifier Neutralisation (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Tue, 30 Jan 2001 13:39:42; I have been reading the mail about neutralisation and in particular the FL-2100Z circuitry. Like Ian, I looked at the circuit and thought 'that's pretty poor as it will depend totally on the settings; /archives//html/Amps/2001-01/msg00709.html (7,514 bytes)
7. [AMPS] AL-1200 Blower (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Wed, 06 Dec 2000 20:08:00; In my h/b amplifier I use ex military DOD-006 tubes .... These have a thermostatic switch mounted at the tube base and are wired to shut things down if the base exceeds (if I remember correctly) 150C; /archives//html/Amps/2000-12/msg00098.html (10,570 bytes)
8. [AMPS] Alpha (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Fri, 29 Dec 2000 12:42:48; ......... I hope so, but not at all sure I'll be around that long! 73 Roger VE3ZI _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotm; /archives//html/Amps/2000-12/msg00344.html (8,548 bytes)
9. [AMPS] AL80 Shipping (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Sat, 07 Oct 2000 14:22:34 GMT; Is is possible to ship an AL80 with the transformer in place if it is very well packed? Or will the transformer go walk-about? Would much appreciate any help. 73 Roger VE3ZI _________________________; /archives//html/Amps/2000-10/msg00117.html (6,879 bytes)
10. [AMPS] AL80 Shipping - OOPS! (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Sat, 07 Oct 2000 14:51:17 GMT; Sorry guys. That should have been AL1500! Too much 160m. To: <amps@contesting.com> _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hot; /archives//html/Amps/2000-10/msg00118.html (7,891 bytes)
11. [AMPS] ssr's in qro amps (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Tue, 27 Jun 2000 19:03:55 PDT; I am reminded of an ancient (1960s) Marconi HF transmitter which used magnetic interlocks. Easily defeated with a magnet. BUT you couldn't put the cover back on unless you removed the magnet. So no c; /archives//html/Amps/2000-06/msg00453.html (10,381 bytes)
12. [AMPS] Re: Delect if not interested, Off topic (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Fri, 12 May 2000 02:58:33 PDT; How strange. When I first heard that True Story, it was the Brits who invented the chicken gun, and the Rocket Scientists who used a frozen chicken ..... 73 Roger VE3ZI ______________________________; /archives//html/Amps/2000-05/msg00140.html (7,164 bytes)
13. [AMPS] Slow coaxial relays (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Mon, 29 May 2000 04:11:23 PDT; Hi All If I recall correctly, it is possible to make relays with a very long drop out delay. It is obviously related to the design of the magnetic field and I seem to remember involves the use of bra; /archives//html/Amps/2000-05/msg00332.html (7,433 bytes)
14. [AMPS] McCurdy SS8000 (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Mon, 13 Sep 1999 12:24:37 PDT; Hi All I have come by several McCurday Radio Industries Ltd Type SS8000 low power (40W) medium wave AM broadcast transmitters. I wonder if anybody has any information (eg circuit diagram) on these? N; /archives//html/Amps/1999-09/msg00104.html (6,838 bytes)
15. [AMPS] MLA2500 (score: 1): Author: ve3zi@hotmail.com (Roger P); Date: Thu, 22 Oct 1998 07:25:26 PDT; Hi All I have two MLA2500s, one of which I have modified to use a 3CX800. During my move from England, just about the one piece of ham radio equipment that was damaged was the modified amp. Guess it; /archives//html/Amps/1998-10/msg00357.html (7,307 bytes)

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