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1. [Amps] transformer shielding - mu metal source (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Sun, 19 Jun 2005 15:54:58 GMT
"Some" of the thin metal shielding around video monitors and television sets is made of a mu type metal. I like to salvage that metal for use as shielding on projects. One such application is the red
/archives//html/Amps/2005-06/msg00147.html (9,495 bytes)

2. [Amps] yahoo rfamplifiers group (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Fri, 10 Jun 2005 15:59:40 GMT
Just a cheap 50 cent plug for the yahoo rfamplifiers group. Same theme as the amps group, just a little more informal. People are welcome to talk through their amplifier projects and problems. There
/archives//html/Amps/2005-06/msg00064.html (7,114 bytes)

3. [Amps] Arcos Amplifier Diagrams & Information (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Mon, 6 Jun 2005 19:42:26 GMT
I have most of the Arcos HR Mag Information available free on my www.radiowrench.com/sonic web page. enjoy, skipp nospam4me@juno.com I have an opportunity to pick up an Arcos 2M Amp built by W2GN in
/archives//html/Amps/2005-06/msg00049.html (7,317 bytes)

4. [Amps] ampliphase and hybrid am mod circuits (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Tue, 25 Jan 2005 18:02:44 GMT
Hi Larry, Although a bit unconventional, there are a number of schemes used in hybrid AM Broadcast Transmitters. I put one such animal on the air as 1640 KXBT (first expanded band AM tx west of NJ) b
/archives//html/Amps/2005-01/msg00523.html (7,679 bytes)

5. [Amps] new - current : sonic server web page location (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Wed, 29 Dec 2004 22:53:32 GMT
Two Emails in one day... a new record. A few people have Emailed to ask me the location of the original sonic web page(s). Most all the original sonic pages (with amplifier information) and much new
/archives//html/Amps/2004-12/msg00391.html (7,022 bytes)

6. [Amps] Re: Dentron GLA-1000 with 4cx250's (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Wed, 29 Dec 2004 22:49:08 GMT
Hello there, Some time back (more than a year), I was in contact with an Italian Amateur who did a Dentron GLA-1000 conversion to dual 4cx250 tubes. Possibly his name is Tony... We are about to talk
/archives//html/Amps/2004-12/msg00390.html (7,750 bytes)

7. [Amps] linearity detector and the sonic web page (score: 1)
Author: "nospam4me@juno.com" <nospam4me@juno.com>
Date: Mon, 11 Oct 2004 17:16:26 GMT
Hello again, First off, regarding the linearity circuit mentioned below. Yes, Collins 30L-1, 30S-1 and a few other manufactures amplifiers include a linearity detector. One very interesting applicati
/archives//html/Amps/2004-10/msg00155.html (11,082 bytes)

8. [Amps] log cell information Oliver Swan (score: 1)
Author: nospam4me@juno.com
Date: Wed, 12 May 2004 21:53:23 -0700
Hello again, Anyone on amps know of a forum, where I can inquire about log periodic antenna feeds? In specific, I'm interested in the "log cell" method of feeding VHF and UHF yagi antennas. Related t
/archives//html/Amps/2004-05/msg00123.html (6,918 bytes)

9. Fw: RE: [Amps] RFConcepts Mini-Amp 144 (score: 1)
Author: nospam4me@juno.com
Date: Sat, 3 Apr 2004 09:08:03 -0800
Ken, A bias control circuit with temp tracking is in order. Examples have been detailed in past ARRL Handbook Projects and the famous Motorola RF Data Applications (notes). Cheers, Skipp -- Forwarded
/archives//html/Amps/2004-04/msg00021.html (7,670 bytes)

10. [Amps] 125 ohm coax source (score: 1)
Author: nospam4me@juno.com
Date: Sun, 28 Mar 2004 08:35:47 -0800
Hello gang, Before I hit the catalogs and web real hard... does anyone know of a source for 125 ohm coax? thanks for your replies. skipp nospam4me@juno.com ___________________________________________
/archives//html/Amps/2004-03/msg00331.html (6,859 bytes)

11. Fw: [Amps] microwave oven reused parts (score: 1)
Author: nospam4me@juno.com
Date: Fri, 26 Mar 2004 08:59:50 -0800
re: tuned filter power supply Is the target 'trap' frequency actually 120 Hz or slightly above it? skipp wv6f www.radiowrench.com The cathode (-) power supply may have a large steel canned capacitor
/archives//html/Amps/2004-03/msg00295.html (7,878 bytes)

12. [Amps] the sonic web site Amateur Radio page moving (score: 1)
Author: nospam4me@juno.com
Date: Fri, 19 Mar 2004 07:44:11 -0800
Hello there, Just a note to say the long time http://sonic.ucdavis.edu web server with the Amateur Radio Web Page resources is moving/has moved, at least the technical portion(s). Politics and admini
/archives//html/Amps/2004-03/msg00207.html (7,641 bytes)

13. Fw: [Amps] Use of Ameritron QSK board (score: 1)
Author: nospam4me@juno.com
Date: Fri, 19 Mar 2004 07:35:24 -0800
Some of the Ameritron Boards were equivalent to the Heathkit SB-1000 units. I have that information on a web page I'm in the process of moving to another site. If you don't find what you need before
/archives//html/Amps/2004-03/msg00206.html (7,825 bytes)

14. [Amps] re: Henry 6n2 dual band? (score: 1)
Author: nospam4me@juno.com
Date: Sat, 14 Feb 2004 08:47:28 -0800
Thank you to everyone for the quick replies. Is the Henry 6n2 a dual band amplifier, both six and two meters? ... or a single band amplifier? If it's a dual band amp, I'd be curious to know how they
/archives//html/Amps/2004-02/msg00107.html (7,587 bytes)

15. [Amps] Henry 6n2 tube type? (score: 1)
Author: nospam4me@juno.com
Date: Fri, 13 Feb 2004 19:36:12 -0800
There's a Henry 6n2 on Ebay, has some nice pics for those who want a peak under the hood. Was curious what tubes this amplifier uses? The 3cx400a7 or something along those lines? Any help? thanks ski
/archives//html/Amps/2004-02/msg00105.html (6,473 bytes)

16. Fw: [Amps] Astron SS-25 (score: 1)
Author: skipp isaham <nospam4me@juno.com>
Date: Sat, 3 Jan 2004 09:40:41 -0800
I'm not a fan of the Astron and MFJ switching supplies, but I do like the traditional Astron "analog" supplies when properly de rated. I buy and rebuild (with my regulator upgrades) dead Astrons all
/archives//html/Amps/2004-01/msg00032.html (7,303 bytes)

17. [Amps] Replacement SB-220 I plate meter (score: 1)
Author: skipp isaham <nospam4me@juno.com>
Date: Sat, 3 Jan 2004 09:16:13 -0800
I sell original Heathkit Meter Movements for the SB-220 for $58 each, which is $13 more than the Harbach units (which require panel mods). My limited supply are original heath meter base movements (u
/archives//html/Amps/2004-01/msg00031.html (7,472 bytes)

18. Re: [Amps] 30m1 (score: 1)
Author: skipp isaham <nospam4me@juno.com>
Date: Mon, 29 Dec 2003 20:05:27 -0800
Morrie, - The 30M-1 doesn't ring a bell, but the 30S-1 does and a diagram with some pictures can be found on the http://sonic.ucdavis.edu amateur radio page. - cheers skipp __________________________
/archives//html/Amps/2003-12/msg00463.html (7,170 bytes)

19. Fw: [Amps] Heath Williamson Amplifier (score: 1)
Author: skipp isaham <nospam4me@juno.com>
Date: Sun, 28 Dec 2003 10:59:39 -0800
They are a lot more common than you would think Warren. You might check some of usenet groups like rec.audio.tubes for sources of diagrams. Hammond in Cheektowaga NY probably sells a drop in replacem
/archives//html/Amps/2003-12/msg00430.html (7,825 bytes)

20. [Amps] re: Heathkit loads (score: 1)
Author: skipp isaham <nospam4me@juno.com>
Date: Sun, 28 Dec 2003 09:57:15 -0800
I have a few Heathkit Cantenna Loads here. One has a tapered conductor as described below, others have a straight parallel pipe conductor. Does anyone know the history between the two types of conduc
/archives//html/Amps/2003-12/msg00426.html (7,194 bytes)

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