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1. [AMPS] news from high power tube RF sources (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Thu, 1 Apr 1999 12:20:09 -0500; On Thu, 1 Apr 1999 08:04:16 -0500 (EST) John Lyles <jtml@lanl.gov> writes: Did Svetlana have anything on their ISTOK Microwave TWT products? Tnx Carl KM1H ____________________________________________; /archives//html/Amps/1999-04/msg00017.html (7,880 bytes)
2. [AMPS] Sigma XR3000D Info (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 2 Apr 1999 00:40:30 -0500; Looking for any good mods specific to this beast before I reinvent the wheel. Already changed the filament choke and dropped the 5.6V filament down to 4.85V. Input netwook looks a bit high in VSWR an; /archives//html/Amps/1999-04/msg00025.html (7,145 bytes)
3. [AMPS] Re: TWT? (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 2 Apr 1999 11:10:38 -0500; On Fri, 2 Apr 1999 07:39:09 -0500 (EST) John Lyles <jtml@lanl.gov> writes: Tnx John. I have a brochure for a 150W 28GHz TWT which uses a narrow band coupled cavity design. Been looking for something; /archives//html/Amps/1999-04/msg00033.html (7,408 bytes)
4. [AMPS] HV and Fried Brain Cells (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 2 Apr 1999 10:31:43 -0500; On Fri, 2 Apr 1999 03:33:05 -0500 "Dick Green" <dick.green@valley.net> writes: Most of the tube final xcvrs ran 600-900V. Sweep tube amps are in the same area. If ur a real old fart then the Johnson; /archives//html/Amps/1999-04/msg00034.html (7,640 bytes)
5. [AMPS] re:Socket for 3-500Z (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 2 Apr 1999 10:38:29 -0500; On Fri, 02 Apr 1999 09:05:21 +0000 Chris Pedder <g3vbl@netcomuk.co.uk> writes: Which Drake solution? The L4B version is still available. It was simply Johnson sockets and an abbreviated chimney. You; /archives//html/Amps/1999-04/msg00035.html (9,519 bytes)
6. [AMPS] Input tuning (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Fri, 2 Apr 1999 13:20:48 -0500; They are as non inductive as you need for HF Jon. 73 Carl KM1H Making the leads as short as As Yogi Berra said " What works, works" Some purists will analyze and argue forever but who cares? 73 Carl; /archives//html/Amps/1999-04/msg00037.html (9,106 bytes)
7. [AMPS] Want to build my Amps, instead of buying them. (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 3 Apr 1999 10:52:29 -0500; A single 3CX800A7 or 3CPX800A7 will do that on all those bands. Check out the ARRL Handbook and obtain the Henry manuals for their 3CX800 series. The power output is not overly I would advise against; /archives//html/Amps/1999-04/msg00046.html (8,626 bytes)
8. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sat, 3 Apr 1999 10:44:36 -0500; What is the serial # Brad? I sold quite a few of them when I was a B&W dealer. I had 2 of the first 10 built by B&W here and made a few changes for them but they were all in the RF deck. Plate voltag; /archives//html/Amps/1999-04/msg00047.html (9,590 bytes)
9. [AMPS] WTB: 6VDC 30A+ PS (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 4 Apr 1999 21:44:16 -0400; I need a CCS rated, regulated PS for a project. Must be adjustable 5 to 6.5VDC, meters optional. Something like an old Sorenson, Lambda, etc would be ideal. Current rating can be anywhere from 30 to; /archives//html/Amps/1999-04/msg00071.html (6,953 bytes)
10. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 4 Apr 1999 21:39:43 -0400; On Sun, 4 Apr 1999 21:15:05 -0400 "David A. Pruett" <k8cc@ix.netcom.com> writes: Interesting Dave. Looks like Viewstar made the change then. I have both the Viewstar and B&W PT-2500A manuals and both; /archives//html/Amps/1999-04/msg00072.html (9,261 bytes)
11. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Sun, 4 Apr 1999 22:08:39 -0400; On Sun, 4 Apr 1999 21:28:31 -0400 "David A. Pruett" <k8cc@ix.netcom.com> writes: Yes it does and glad you mentioned that Dave. The Harbach SB-220 SoftKey will also work for those with fussy xcvrs. Th; /archives//html/Amps/1999-04/msg00073.html (9,846 bytes)
12. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Mon, 5 Apr 1999 10:41:10 -0400; On Mon, 5 Apr 1999 15:55:26 +0200 "John Fielding" <johnf@futurenet.co.za> writes: SNIP And others believe in voodoo and junk science. 73 Carl KM1H ____________________________________________________; /archives//html/Amps/1999-04/msg00080.html (9,951 bytes)
13. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Mon, 5 Apr 1999 10:47:42 -0400; Well I cant speak for the initial Viewstars. Maybe reducing the HV was their way to do a fix. However when B&W bought the rights to the 2500A I did a bit of work on them. And yes, the first units I s; /archives//html/Amps/1999-04/msg00081.html (11,269 bytes)
14. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 6 Apr 1999 00:20:58 -0400; Thank God I missed that nonsense that you two had elsewhere. 73 Carl KM1H ___________________________________________________________________ You don't need to buy Internet access to use free Interne; /archives//html/Amps/1999-04/msg00092.html (9,126 bytes)
15. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 6 Apr 1999 00:38:18 -0400; What was VHF in 1926? A well designed suppressor does suppression period. Most commercial manufacturers/engineers understand the relationship between resistance values, and L for a particular tube an; /archives//html/Amps/1999-04/msg00093.html (10,114 bytes)
16. [AMPS] B&W PT2500 (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 6 Apr 1999 14:19:24 -0400; Exactly what I usually ask you. Carl ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail; /archives//html/Amps/1999-04/msg00111.html (8,446 bytes)
17. [AMPS] Resoldering 3-500Z Filament Pins ?? (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 6 Apr 1999 15:00:05 -0400; Would you guys please change the subject header? Tnx Carl KM1H ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. G; /archives//html/Amps/1999-04/msg00112.html (8,955 bytes)
18. [AMPS] parasitic suppressors (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 6 Apr 1999 14:59:44 -0400; This goes back to Richs so called " grate (sp) debate" with Tom, Wes and others. Rich seems to enjoy being the odd man out. Once I see any major amp manufacturer, ham or commercial/industrial use voo; /archives//html/Amps/1999-04/msg00113.html (11,103 bytes)
19. [AMPS] parasitic suppressors (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Tue, 6 Apr 1999 14:58:43 -0400; Well put Ian. I wish I had your eloquence. Now, lets see how long battle four will be waged. 73 Carl KM1H ___________________________________________________________________ You don't need to buy Int; /archives//html/Amps/1999-04/msg00114.html (13,979 bytes)
20. [AMPS] Parasitic suppressors/another question, (score: 1): Author: km1h@juno.com (km1h@juno.com); Date: Wed, 7 Apr 1999 12:03:49 -0400; On Wed, 07 Apr 1999 01:51:09 -0700 "Michael J. Baker" <K0qz@primenet.com> writes: A GDO in diode mode will work with reasonable accuracy if you have it set for minimum coupling. Follow Peter's sugges; /archives//html/Amps/1999-04/msg00139.html (10,451 bytes)

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