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Total 480 documents matching your query.

321. Re: [Amps] SB-220 6 meter conversion parasites (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 17 Jul 2015 06:55:55 +0800
Hi Steve. What brings you to the conclusion that its a parasitic oscillation? Have you measured the frequency? It sounds more like the amp is simply taking off, in which case, no amount of fiddling w
/archives//html/Amps/2015-07/msg00049.html (8,787 bytes)

322. Re: [Amps] Blower noise (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 12 Aug 2015 07:41:29 +0800
Not as silly as it sounds. The new shack that I will have in my house which is under construction, will have a dividing wall in the shack with a door at the end. this division will go right across th
/archives//html/Amps/2015-08/msg00029.html (8,932 bytes)

323. Re: [Amps] Amp output power (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sun, 23 Aug 2015 12:35:55 +0800
I would put my guess in at a minimum of 5kW. Alek. VK6APK On 22/08/2015 11:46 PM, Chris Fox wrote: Trying to get a fairly accurate estimate on what the output would be from a amp with... 3600 plate v
/archives//html/Amps/2015-08/msg00072.html (7,386 bytes)

324. Re: [Amps] Amp output power (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sun, 23 Aug 2015 18:13:47 +0800
Trying to get a fairly accurate estimate on what the output would be from a amp with... 3600 plate volts 3 - 3cxp800 100 watts drive can anyone help with the formula. REPLY: Operating class AB, you
/archives//html/Amps/2015-08/msg00074.html (8,845 bytes)

325. Re: [Amps] LK-500ZB (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 03 Oct 2015 06:04:02 +0800
Page 87 of the MFJ 2015 Catalog. Part Number "10-15115-1" for $19.95, should get you back on the air. 73, Alek VK6APK Charles K. Hardy K5SUL _______________________________________________ Amps maili
/archives//html/Amps/2015-10/msg00002.html (7,272 bytes)

326. Re: [Amps] N panel connector screws (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sun, 04 Oct 2015 16:52:58 +0800
Correct. Alek. VK6APK Steve What size screws and nuts do typical panel mount female N and UHF connectors use? _______________________________________________ Amps mailing list Amps@contesting.com htt
/archives//html/Amps/2015-10/msg00008.html (7,717 bytes)

327. Re: [Amps] Question (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 10 Oct 2015 09:45:22 +0800
I never look there as I think everything pales in comparison to http://swap.qth.com/ 73, Alek VK6APK Can I post here that I am looking for a 40m rotatable dilole? REPLY: This group is dedicated to am
/archives//html/Amps/2015-10/msg00026.html (7,989 bytes)

328. Re: [Amps] Tl 922 mods (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 29 Oct 2015 06:16:48 +0800
Also see: http://somis.org/ There's a wealth of good stuff on the TL-922 there. http://www.pa0fri.com/ Click on Mods and then Kenwood TL-911 modifications. It actually describes the TL-922. 73, Alek
/archives//html/Amps/2015-10/msg00060.html (9,580 bytes)

329. Re: [Amps] Dick Manual (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Fri, 30 Oct 2015 06:35:14 +0800
OK. I'll bite. Are you talking about little blue pills or are you talking about a non CB hf linear amplifier? 73, Alek VK6APK Best, Mike _______________________________________________ Amps mailing l
/archives//html/Amps/2015-10/msg00078.html (7,606 bytes)

330. Re: [Amps] Russia tube freight (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Tue, 29 Mar 2016 06:13:03 +0800
Yep. I've had stuff take that long from there. Sometimes longer. Glad ya got it, Alek. VK6APK Embarrassingly, they are on my doorstep as I typed that email. Oh well. S _______________________________
/archives//html/Amps/2016-03/msg00047.html (8,327 bytes)

331. Re: [Amps] 3-500Z tube problems (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Tue, 14 Jun 2016 06:16:05 +0800
G'day Jack. I have cleared a grid to filament short with a 100,000uF electrolytic capacitor charged to 13.8V from my shack power supply. The charged capacitor was connected between grid an filament a
/archives//html/Amps/2016-06/msg00047.html (9,930 bytes)

332. Re: [Amps] Thinking out loud 3-500Z and the like gettering with (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Tue, 14 Jun 2016 06:00:09 +0800
It looks to me like they won't heat the graphite anodes in the modern day 3-500Z and similar tubes. They would have to be the metal type anodes for the induction heater to work. 73, Alek VK6APK On 13
/archives//html/Amps/2016-06/msg00050.html (9,358 bytes)

333. Re: [Amps] 3-500Z tube problems (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 16 Jun 2016 07:09:33 +0800
Hey, did the 4-1000A have a similar problem? My mate had one and the anode structure was on the piss. The tube and box must have been dropped at some time. We just held the tube and using the laws of
/archives//html/Amps/2016-06/msg00060.html (12,557 bytes)

334. Re: [Amps] Thinking out loud 3-500Z and the like gettering (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 18 Jun 2016 16:59:11 +0800
Wow! That's great. I was just in KMart today and they have a $49.00 single element, bench top induction cooktop. Might have to buy one and just lay the 500 zee on top and turn it on. If it doesn't wo
/archives//html/Amps/2016-06/msg00072.html (8,685 bytes)

335. Re: [Amps] Drake L4B to 6 Meters (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Thu, 15 Sep 2016 13:38:57 +0800
Dunno for sure but I think W2CQM may have some experience in this field, which he may or may not want to share. I think Ron is a subscriber on this list. 73, Alek VK6APK Share with the group please.
/archives//html/Amps/2016-09/msg00066.html (8,873 bytes)

336. Re: [Amps] Buzzing Transformer Follow-up Questions (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Tue, 27 Sep 2016 12:58:28 +0800
Are you sure you haven't got some shorted turns or flashover through the insulation? If the thing was quiet all its life, then it should still be quiet now. 73, Alek VK6APK I happened to have a simil
/archives//html/Amps/2016-09/msg00132.html (9,028 bytes)

337. Re: [Amps] one question test for hams (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 15 Oct 2016 07:50:08 +0800
Ah but for the smoke to escape from components, there needs to be some form of heating. :-) Alek VK6APK Answer True or false....... "All failures of ham radios are caused, ultimately, by excessive he
/archives//html/Amps/2016-10/msg00054.html (10,372 bytes)

338. Re: [Amps] JRL 2000F (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Sat, 15 Oct 2016 08:50:50 +0800
Hi Rick. I just sent you a copy of the manual. In the schematics section, on the very last page, you will see that the live and neutral wires connect to either of the relay input terminals. Any volta
/archives//html/Amps/2016-10/msg00057.html (10,146 bytes)

339. Re: [Amps] MLA2500 issue (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Wed, 16 Nov 2016 07:20:13 +0800
If there's no smoke, it could be the input capacitor/s to the cathode, going bad as the temperature rises. That happens quite a lot on the older Yaesu amplifiers except they usually fail completely o
/archives//html/Amps/2016-11/msg00051.html (10,235 bytes)

340. Re: [Amps] 1/4" to 1/4" shaft couplers (score: 1)
Author: Alek Petkovic <vk6apk@bigpond.com>
Date: Mon, 21 Nov 2016 09:29:17 +0800
Look up shaft coupler on the big E. You'll see the CNC type. I buy that sort all the time, You get any size you want. Free shipping outta China. 73, Alek. On 19/11/2016 6:26 AM, gudguyham-- via Amps
/archives//html/Amps/2016-11/msg00085.html (8,296 bytes)

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