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1. [Amps] 3CX800A7 (score: 1): Author: N7KA@comcast.net; Date: Tue, 19 Jul 2005 04:58:06 +0000; Looking for source of good pulls or new tubes. Who has best deal. Need 2 of these critters. 73 de Arne N7KA _______________________________________________ Amps mailing list Amps@contesting.com http:; /archives//html/Amps/2005-07/msg00203.html (6,097 bytes)
2. [Amps] Bend allowance (score: 1): Author: N7KA@comcast.net; Date: Thu, 04 Aug 2005 03:17:38 +0000; Someone asked about bend allowance for sheet metal. If needed contact me off line as I have info needed to do calcs from work. We de do a LOT of sheet metal fab work and forming is ongoing continuous; /archives//html/Amps/2005-08/msg00075.html (6,295 bytes)
3. [Amps] Forming metal (aluminum) (score: 1): Author: N7KA@comcast.net; Date: Fri, 05 Aug 2005 03:48:56 +0000; Forming of a metal such as aluminum depend on the temper and thickness of the material. There is also the issue (for very tight bends) whether the bend is across or a parallel to the grain of gthe ma; /archives//html/Amps/2005-08/msg00139.html (7,973 bytes)
4. [Amps] 220MHz amp info (score: 1): Author: N7KA@comcast.net; Date: Sat, 08 Oct 2005 00:29:14 +0000; The 23rd Edition of the Radio Handbook has a W6PO designed 220MHz amp similar to the well known W6PO 2M amp. Look on page 18-11. 73 de Arne N7KA -- Original message -- _______________________________; /archives//html/Amps/2005-10/msg00175.html (7,012 bytes)
5. Re: [Amps] Pretreatment of Aluminum for painting (score: 1): Author: N7KA@comcast.net; Date: Thu, 13 Oct 2005 04:38:48 +0000; I do believe ALODINE provides an insulating surface. The best preparation of aluminum for paint processes is a chromate surface. This is accomplished per MIL-C-5541 (ANSI has a different specificatio; /archives//html/Amps/2005-10/msg00313.html (8,142 bytes)
6. [Amps] FW: [adxa] [Fwd: [CADXA-TEMPE] The rest of the story] (score: 1): Author: N7KA@comcast.net; Date: Fri, 14 Oct 2005 04:53:22 +0000; Interesting note below. Arne, do you still work at Laguna? Jim N7US When the signal interfering with the DX end of 80 was brought to our attention by Paul, W8AEF, several of us got involved to try an; /archives//html/Amps/2005-10/msg00349.html (12,594 bytes)
7. [Amps] High Voltage connectors (SHV) (score: 1): Author: N7KA@comcast.net; Date: Tue, 03 Jan 2006 04:33:18 +0000; There are several diffrerent high voltage connectors available. SHV, MHV, and GHV to name a few. Check http://www.deltarf.com who is mfr. KINGS is also a mfr who carries some high voltage connectors.; /archives//html/Amps/2006-01/msg00117.html (7,437 bytes)
8. [Amps] Washing equipment (score: 1): Author: N7KA@comcast.net; Date: Thu, 16 Mar 2006 01:32:51 +0000; The following is experience, NOT A RECCOMENDATION. I AM NOT LIABLE FOR ANYONES PROBLEMS. Years ago, the 1960s. I washed MANY Tektronix scopes as a normal routine for a complete service, both at the f; /archives//html/Amps/2006-03/msg00413.html (8,243 bytes)
9. Re: [Amps] CHASSIS (score: 1): Author: N7KA@comcast.net; Date: Thu, 16 Mar 2006 01:47:53 +0000; Nothing wrong with wood box for power supply, been using them since 1960s. HOWEVER, I do make them look nice, walnut stained birch plywood (3/4 thick). Width wide enough for standard 19 inch rack pan; /archives//html/Amps/2006-03/msg00414.html (7,495 bytes)
10. Re: [Amps] Rivet-nuts (score: 1): Author: N7KA@comcast.net; Date: Fri, 07 Apr 2006 00:53:25 +0000; Will Rivet-nuts (we call them rivnuts at work) are very good means of fastening hardware when it is difficult to attach with a regular nut. Our use is from a 10-32 screw into racks up to 3/6 for atta; /archives//html/Amps/2006-04/msg00094.html (10,525 bytes)
11. [Amps] Rivet nuts (score: 1): Author: N7KA@comcast.net; Date: Fri, 07 Apr 2006 04:29:30 +0000; There may be some confusion as to difference between a rivnut and a PEM nut. They are 2 different animals folks. PEM nut name is taken from an actual manufacturer of a type of nut pressed into the me; /archives//html/Amps/2006-04/msg00095.html (7,328 bytes)
12. [Amps] Riv-nuts installing (score: 1): Author: N7KA@comcast.net; Date: Sat, 08 Apr 2006 05:54:18 +0000; When installing a rivnut you do not want the rivnut to spin. The hand header I mentioned has a threaded end for the rivnut to be installed lets say 10-32. This threaded intothe rivnut, completely thr; /archives//html/Amps/2006-04/msg00108.html (7,196 bytes)
13. [Amps] Amps at Visalia (score: 1): Author: N7KA@comcast.net; Date: Wed, 26 Apr 2006 03:34:10 +0000; The Elecraft amps looked nice. But consider the ALPHA 99B at $4250. Same pair of 4CX800 as the 91B but made in Colorado. 91B was if I remember $2400 or less. Everything going up so the Elecraft price; /archives//html/Amps/2006-04/msg00381.html (6,703 bytes)
14. [Amps] ALPHA 77 Relay K4 (score: 1): Author: N7KA@comcast.net; Date: Wed, 17 May 2006 03:31:06 +0000; Does anyone know of a sure source foir this MAGNECRAFT relay p/n W102RMX7 or a replacement? Even another relay and changes to PC board? Slow reply from ALPHA and other source so far nil. Thanks Arne; /archives//html/Amps/2006-05/msg00172.html (6,670 bytes)
15. [Amps] VOA Delano, CA (score: 1): Author: N7KA@comcast.net; Date: Sun, 21 May 2006 22:51:22 +0000; This probably belongs more on the tower-talk reflector. If going to Visalia DX convention, the VOA site at Delano, CA has an impressive array to towers and antennas. Delano is about 1/2 way between B; /archives//html/Amps/2006-05/msg00271.html (6,501 bytes)
16. Re: [Amps] Johnson 154-3 variable breakdown voltage? (score: 1): Author: N7KA@comcast.net; Date: Sat, 10 Jun 2006 22:56:00 +0000; Johnson was picked up by Cardwell In CARDWELL catalog p/n 154-3-1 (Johnson p/n was 154-3) (single section): Peak withstanding voltage is 2000, 488-19pf. Its about 5 inches between front and rear moun; /archives//html/Amps/2006-06/msg00258.html (7,540 bytes)
17. Re: [Amps] fiberglas tape (score: 1): Author: N7KA@comcast.net; Date: Tue, 13 Jun 2006 04:05:36 +0000; I purchased a roll from AMIDON thru CWS BYTEMARK (800-679-3184) in LA. http://www.bytemark.com Motor rewind shop in larger cities might have a source as well. It is white and NOT the typical so calle; /archives//html/Amps/2006-06/msg00267.html (8,313 bytes)
18. Re: [Amps] GS-35B on 6M (score: 1): Author: N7KA@comcast.net; Date: Sat, 05 Aug 2006 04:58:28 +0000; The following was Larry, W7IUV'S question: What kind of gain can I reasonably expect from a GS-35B on 6 meters at anode voltages less then 4 KV? The info I have found on the web is sketchy and incons; /archives//html/Amps/2006-08/msg00169.html (7,249 bytes)
19. [Amps] WANTED Turns Counter (score: 1): Author: n7ka@comcast.net; Date: Sat, 07 Apr 2007 18:06:02 +0000; Looking for an E. F. Johnson Counter Dial Part Number 116-0209-001. Need 2ea minimum. If I can get more even MUCH better. State condition and price. PLEASE reply DIRECT to N7KA@comcast.net Also I hea; /archives//html/Amps/2007-04/msg00030.html (6,454 bytes)
20. Re: [Amps] Heat Dissapating 8877 HV Plate Caps (score: 1): Author: n7ka@comcast.net; Date: Sat, 25 Aug 2007 05:45:36 +0000; All those tubes you mention can be called bottles. Anodes inside a glass envelope. The cooling from these tubes involved air passing around the glass envelope. And yes they use a plate cap with horiz; /archives//html/Amps/2007-08/msg00171.html (13,049 bytes)

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