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References: [ +from:oz1pif@get2net.dk: 53 ]

Total 53 documents matching your query.

1. [Amps] AL-572 (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sat, 4 Jan 2003 00:12:03 +0100; I don't know this specific amp, but I would never recommend any amp using the 572 tube for 10m, this tube is very marginal this high, and you'll be lucky if you get 60% of nominal output on 12 and 10; /archives//html/Amps/2003-01/msg00026.html (8,611 bytes)
2. [Amps] AL-572 (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sat, 4 Jan 2003 12:12:42 +0100; I may have to stand corrected here.... My personal experience is limited to the Svetlana brand mounted in an FL-2000B, which, even with the Svetlana mod, was a less than satisfactory experience. I wa; /archives//html/Amps/2003-01/msg00034.html (9,267 bytes)
3. [Amps] Filter? eliptical filter diagram (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Thu, 9 Jan 2003 11:01:04 +0100; I decided to do a crude text based version of the diagram. NB: Must be viewed in a non-proportional font like Courier! L1 L2 --|--/\/\/\--|--/\/\/\--|-- = = = - - - C1 C2 C3 C4 C5 L1 = 165 nH L2 = 19; /archives//html/Amps/2003-01/msg00070.html (8,448 bytes)
4. [Amps] Filter? (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Thu, 9 Jan 2003 10:42:57 +0100; You can build an eliptical filter like mine: 2' harmonic -75.6dB 3' harmonic -73dB insertion loss 0.18dB SWR 1.1:1 All are measured values! I have built one good for at least 1KW. If you have RFsim I; /archives//html/Amps/2003-01/msg00071.html (8,042 bytes)
5. [Amps] How light can you make a 500W amplifier? (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Tue, 15 Oct 2002 00:03:49 +0200; Well, I've built a 500W 50MHz amplifier, which weighs in at a little over 8KGs all included. It's MOSFET (16 x low-cost IRF510s!), and has a switching PS (bought very cheaply as surplus). IMD is bett; /archives//html/Amps/2002-10/msg00137.html (11,403 bytes)
6. [Amps] Bird 1000H slug adjustment? (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sun, 27 Oct 2002 09:59:10 +0100; Hi Ian & Group, It's dicey, but it can be done; Underneath the Teflon cover, you'll find the pick-up, and it's possible to adjust the forward and reflected values by carefully bending these two parts; /archives//html/Amps/2002-10/msg00277.html (8,945 bytes)
7. [Amps] Bird slug VHF (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sun, 27 Oct 2002 23:06:12 +0100; Probably oxidation or dirt on contact point - try scrubbing it with glasfiber cloth or brush Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@get2net.dk http://hjem.get2net.dk/oz1pif; /archives//html/Amps/2002-10/msg00288.html (7,804 bytes)
8. [Amps] Ameritron (Poor Tech service) (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Fri, 19 Jul 2002 09:37:25 +0200; Hey Guys, Cool it down just a tad. I have experienced excellent service from MFJ! When I accidentially blew my MFJ-259B (antenna analyzer) by applying reverse polarity (SIC), i wrote them an email fo; /archives//html/Amps/2002-07/msg00310.html (8,837 bytes)
9. [Amps] MFJ 259B v MFJ 249 what's the difference? (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Wed, 1 May 2002 08:02:26 +0200; Hi Conrad and group, the 2 instruments cover the same frequency spectrum (1.8-170MHz), but the 249 was an analog instrument only, whereas the 259B (I have one) is an all dancing all singing (relative; /archives//html/Amps/2002-05/msg00005.html (7,508 bytes)
10. [Amps] Re: PUT your price on your forsale WAS FS:cheap tubesGU74B,GI7B,GS9B,GS23B (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sat, 11 May 2002 10:45:30 +0200; Said Jim: but these I agree, I agree, but still... I'm using 1 of these (GI7bT variant, same cooler) beasties in my mostly HB 144MHz amp, which has been seeing a LOT of 100% duty cycle usage lately (; /archives//html/Amps/2002-05/msg00126.html (9,509 bytes)
11. [Amps] FL-2100Z (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Tue, 2 Apr 2002 15:42:05 +0200; That really depends on what you mean by amply stocked... What make of brew? and how many cases? G'day mate. Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@get2net.dk http://hjem.ge; /archives//html/Amps/2002-04/msg00075.html (7,969 bytes)
12. [Amps] Fans for 4cx1000/1500 question (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Mon, 4 Mar 2002 22:11:20 +0100; Hi Paul, Only as long as you don't power up the tube - not even the filament! :-) Seriously you'll need a fan of the "squirrel cage" type and a pressure tight grid compartment through which the fan b; /archives//html/Amps/2002-03/msg00051.html (9,578 bytes)
13. [Amps] 10 Stages of a DXer (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Thu, 7 Mar 2002 15:50:50 +0100; or even better - post it here... Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@get2net.dk http://hjem.get2net.dk/oz1pif Ph. +45 4619 3239 Snailmail: Peter Frenning Ternevej 23 DK-; /archives//html/Amps/2002-03/msg00130.html (7,527 bytes)
14. [AMPS] Alpha 76 and 78 tube conversions (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sat, 2 Feb 2002 11:02:21 +0100; This is a multi-part message in MIME format. --=_NextPart_000_003E_01C1ABD9.167E1860 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable I really doubt that t; /archives//html/Amps/2002-02/msg00020.html (15,788 bytes)
15. [Amps] Re-subscribe ?? (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Tue, 26 Feb 2002 00:12:42 +0100; Jup - I did.... Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@get2net.dk http://hjem.get2net.dk/oz1pif Ph. +45 4619 3239 Snailmail: Peter Frenning Ternevej 23 DK-4130 Viby Sj. Den; /archives//html/Amps/2002-02/msg00284.html (7,870 bytes)
16. [Amps] Tube socket fitting SK510 - QB5/1750 (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Wed, 27 Feb 2002 12:05:15 +0100; This is a multi-part message in MIME format. --=_NextPart_000_0042_01C1BF87.045A4700 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi Matija, It does no; /archives//html/Amps/2002-02/msg00299.html (10,923 bytes)
17. [AMPS] AL1500 (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Wed, 5 Dec 2001 16:29:26 +0100; -- Original Message -- From: "Tom Rauch" <w8ji@akorn.net> To: "alex" <alex@sandlabs.com>; <kc5vdj@yahoo.com>; "Peter Chadwick" <Peter.Chadwick@zarlink.com> Cc: "amps" <amps@contesting.com> Sent: Wedn; /archives//html/Amps/2001-12/msg00116.html (9,596 bytes)
18. [AMPS] Transformer Current ratings (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Sat, 15 Dec 2001 16:44:21 +0100; Naive me, I thought that the legal limit in the UK was 400W! What you describe Mike, should be capable of 2KW+ HI HI Vy 73 de OZ1PIF, Peter ** OZ1PIF ** email: oz1pif(no-spam-filler)@get2net.dk http:; /archives//html/Amps/2001-12/msg00242.html (9,279 bytes)
19. [AMPS] Gi7B Tube Amps (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Fri, 16 Nov 2001 09:57:50 +0100; Ian et al. I'm running a single GI7bt (the ruggedized version) on 144MHz with 400W+ out on SSB and running extensively WSJT (30s on 30s off 100% output) with 300W out, using only an 18W muffin for co; /archives//html/Amps/2001-11/msg00279.html (11,254 bytes)
20. [AMPS] Special power-up on old unused AL-1200? (score: 1): Author: oz1pif@get2net.dk (Peter Frenning, OZ1PIF); Date: Mon, 1 Oct 2001 22:21:42 +0200; Hi jerry, I would dust off the variac and slowly wind it up over 3-4 hours! Those caps need some reconditioning! Vy 73 de OZ1PIF, Peter New DXpedition to Greenland for CQWW! See: http://www.qsl.net/x; /archives//html/Amps/2001-10/msg00003.html (8,624 bytes)

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