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21. [Amps] more dangers in our shack (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sat, 17 Nov 2007 21:47:51 +0100; While I am at it... there are more dangers in our shack: Apart from the more obvious danger of electromagnetic overexposure using our 3cx 15 000's and the likes...:-) A lot of power tubes and other d; /archives//html/Amps/2007-11/msg00233.html (7,611 bytes)
22. Re: [Amps] more dangers in our shack (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sat, 17 Nov 2007 23:44:19 +0100; Hi Steve ! Well... according to a red coloured note I found in the original Eimac box when ordering some 4CX250's many years ago,- those tubes contained BeO. According to that note the premises shoul; /archives//html/Amps/2007-11/msg00238.html (9,673 bytes)
23. Re: [Amps] BeO in tubes (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sun, 18 Nov 2007 19:12:26 +0100; Hi ! Found this link. Relevant info on hazards of Beryllium oxide. Seems to be more to it than long term effects ( ?? ) Interested parties should have a look. http://www.inchem.org/documents/icsc/ics; /archives//html/Amps/2007-11/msg00249.html (11,469 bytes)
24. Re: [Amps] BeO in tubes (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sun, 18 Nov 2007 19:39:28 +0100; I suffer from almost exactly the same symptoms !!!! And I DID in fact open a 4cx250 way back also !! I have wondered,... now I know ! But seriously,- BeO is not a safe material... It is potentially m; /archives//html/Amps/2007-11/msg00251.html (8,133 bytes)
25. [Amps] Very Off topic : AM without sidebands ?? :-) ++ (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Thu, 29 Nov 2007 20:10:14 +0100; Hi all ! Very OFF TOPIC,.. but I risk beeing flamed or blamed: My late father was a well known electronics and radio specialist here in Norway, running his own company. Off the record he told me a fe; /archives//html/Amps/2007-11/msg00397.html (9,163 bytes)
26. Re: [Amps] ALS-600 with ALS-600SPS SSB problem (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sun, 2 Dec 2007 13:15:31 +0100; Hi Brian ! There is a general problem with ALC circuits and some transceivers: If your TX is capable of giving substantially more power than your PA wants, the ALC/power adjustment circuits are often; /archives//html/Amps/2007-12/msg00002.html (10,406 bytes)
27. Re: [Amps] Off topic : AM ..... (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sun, 2 Dec 2007 15:12:11 +0100; Hi all ! Thank You for a lot of responses on and off list ! I will try to give a response covering most of your answers: The AM versus FM/SSB discussion in aircraft comms was interesting. The respons; /archives//html/Amps/2007-12/msg00005.html (8,378 bytes)
28. [Amps] using microwave oven transformer? (score: 1): Author: "Nils Petter Pedersen" <la7sl@online.no>; Date: Sat, 8 Dec 2007 14:46:08 +0100; I have a microwave oven transformer here from a broken down unit. The transformer seems to be ok. Wired up the primary and got no big bangs or smoke. This transformer is apparently having some sort o; /archives//html/Amps/2007-12/msg00070.html (6,984 bytes)
29. Re: [Amps] Re. SB-220 (score: 1): Author: "Nils P. Pedersen" <la7sl@online.no>; Date: Sat, 22 Dec 2007 20:59:09 +0100; For HV wire I always use special ignition cable bought from a local racing shop. It has a good diameter multistrand copper conductor (good for 10A or more without heating) the insulation ( foam/teflo; /archives//html/Amps/2007-12/msg00207.html (8,287 bytes)
30. Re: [Amps] Re. SB-220 HV (score: 1): Author: "Nils P. Pedersen" <la7sl@online.no>; Date: Sun, 23 Dec 2007 00:34:25 +0100; Ooops ! A little overkill then ? :-) I did not know that it was a short piece of wire in mid air.. I am not very familiar with QRP equipment :-) But for long runs in crowded places the wire is a good; /archives//html/Amps/2007-12/msg00211.html (11,199 bytes)
31. Re: [Amps] Tubing needed (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Thu, 3 Jan 2008 21:15:28 +0100; What about : break system tubing ( for cars) gasoline tubing ( for cars ) (oil tubing for small heaters/furnaces) all these items are sold in small quantities I buy it from my local motorsport store,; /archives//html/Amps/2008-01/msg00036.html (8,518 bytes)
32. [Amps] Fw: tubing needed CORRECTION (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Thu, 3 Jan 2008 21:29:24 +0100; Be aware that copper brake lines are no longer available. Todays lines are bundy (stainless steel) commercial fuel line is still available in copper sorry for this mistake . I'm getting old :-) Peter; /archives//html/Amps/2008-01/msg00040.html (6,716 bytes)
33. Re: [Amps] re dishtronix amp (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Tue, 22 Jan 2008 19:31:38 +0100; As far as I am concerned I see the "Dishtronix amp" as a big joke. A "hoax" if you wish. In fact, I doubt if the amp has ever existed, other than in somebodys fantasy ! And if it has,- the marketing; /archives//html/Amps/2008-01/msg00145.html (11,702 bytes)
34. Re: [Amps] off topic but...... (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Mon, 28 Jan 2008 16:48:42 +0100; Robin = Turdus migratorius ? In that case it should definitely be a sign of spring ! They prefer to spend the winter elsewhere, as do I :-) Peter LA7SL _______________________________________________; /archives//html/Amps/2008-01/msg00231.html (8,680 bytes)
35. [Amps] Fw: off topic but...... (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Mon, 28 Jan 2008 16:55:28 +0100; Or maybe not ?? I was a little quick here... This is what the book says ; Geographic Range American robins are native to the Nearctic region. They occur year-round in southern Canada from Newfoundlan; /archives//html/Amps/2008-01/msg00232.html (9,193 bytes)
36. Re: [Amps] Silver (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Tue, 12 Feb 2008 20:24:45 +0100; For those interested : I have used Hydrochloric acid for many purposes through many years without accidents of any kind. But there are a few things to remember to play it safe: .....Hydrochloric acid; /archives//html/Amps/2008-02/msg00064.html (11,237 bytes)
37. Re: [Amps] Silver (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Tue, 12 Feb 2008 21:08:31 +0100; Another and safer way to clean silver: Heat up an appropriately sized container of water and dissolve a large amount of table salt into the water. Use enough salt such that it takes at least a minute; /archives//html/Amps/2008-02/msg00066.html (9,613 bytes)
38. [Amps] (no subject)/ energy discharge caps (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Tue, 19 Feb 2008 18:36:32 +0100; _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2008-02/msg00128.html (8,223 bytes)
39. [Amps] Fw: (no subject)/ energy discharge caps (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Tue, 19 Feb 2008 18:43:45 +0100; _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2008-02/msg00129.html (8,961 bytes)
40. Re: [Amps] re 77 mhz to 88 mhz vhf band usage (score: 1): Author: "LA7SL Nils P. Pedersen" <la7sl@online.no>; Date: Tue, 25 Mar 2008 16:35:19 +0100; Well... Sweden is using this range for police dispatch among other things. Norway is using it for closed company channels like bus traffic , tow-trucks and so on... I am sure the ITU or a subsection; /archives//html/Amps/2008-03/msg00256.html (8,672 bytes)

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