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Total 117 documents matching your query.

21. Re: [Amps] 230v wiring question (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Wed, 25 Apr 2007 08:07:39 -0600
To the department of misinformation: You will need 12/2 for a 240 - volt receptacle. 12/2 cable means it contains 3 wires - hot (black), neutral (white) and ground (bare or green). Read what's stampe
/archives//html/Amps/2007-04/msg00284.html (9,779 bytes)

22. Re: [Amps] 230v wiring question (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Wed, 25 Apr 2007 09:14:22 -0600
Quote: "Canada Wire I CSA/Acnor NMD90 Nylon 12/2 Canadex (-25C) 300V." Doug I just looked. All my 12-2 cable with a ground says 12/2 G I have some 16-2 (no G) that does not have a ground, but it is o
/archives//html/Amps/2007-04/msg00289.html (9,470 bytes)

23. Re: [Amps] Jennings and Kilovac vacuum relays for sale (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Fri, 06 Jul 2007 07:16:17 -0600
Gerry, I am interested ... prices and shipping for the RJ1 and HC1. Doug I changed amps and no longer need these extra relays. They were bought as pulls from other new or almost new equipment. I have
/archives//html/Amps/2007-07/msg00045.html (7,602 bytes)

24. Re: [Amps] QRO or Commander (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Fri, 07 Sep 2007 11:43:15 -0600
However, be prepared for POOR Emtron customer service after the sale. I don't believe the promises that it is supposed to improve. Something like Force12, only much worse. Only Dick, PA3DUV, gets goo
/archives//html/Amps/2007-09/msg00080.html (7,215 bytes)

25. Re: [Amps] MFJ and Dahl (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Sat, 08 Dec 2007 21:06:50 -0600
Gentlemen, Bashing MFJ seems to be the delight of some. MFJ makes products that are affordable and makes hundreds of products for hams. I use a number of MFJ products and they work. The quality of so
/archives//html/Amps/2007-12/msg00095.html (8,474 bytes)

26. Re: [Amps] MFJ (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Sun, 09 Dec 2007 15:28:04 -0600
OK Mr Jim how about listing all the companies that MFJ has pushed out of the market. Then we can decide, rather than you, whether it was a good thing or otherwise. If MFJ has cornered the market, the
/archives//html/Amps/2007-12/msg00113.html (8,461 bytes)

27. [Amps] Amplifiers and TX5C (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Wed, 12 Mar 2008 13:08:57 -0600
Very disappointing to hear that the Alpha amps are not surviving well on Clipperton. Some were DOA and others died in service. Will be interesting to find out the details. OTOH the ICOM Pro IIIs are
/archives//html/Amps/2008-03/msg00111.html (6,433 bytes)

28. [Amps] Tokyo Hy-Power HL-2.5K (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Sun, 25 May 2008 19:27:19 -0600
The Dayton display model was doing 1.9+KW. A nice amp and antenna tuner combination. Unfortunately no 6m. Doug --Original Message-- bounces@contesting.com] On Behalf Of Roger (K8RI) Yup, but for betw
/archives//html/Amps/2008-05/msg00185.html (8,014 bytes)

29. Re: [Amps] Alpha 77dx (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Fri, 06 Jun 2008 11:15:42 -0600
Why reply off the list? Is this some proprietary information? Doug Does anyone know what a clean 77dx (2 tube)is worth on today's market? Replys off list pse...Thanks,Jim,K7RDX.. ____________________
/archives//html/Amps/2008-06/msg00041.html (7,234 bytes)

30. Re: [Amps] Keeping RTVs and Liquid Electrical Tape useable (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Tue, 24 Jun 2008 20:41:59 -0600
Liquid electrical tape can be revitalized by adding methyl ketone and xylene to the can. I don't know the manufacturer's formulation but I have used about a 50-50 mixture of methyl ketone and xylene.
/archives//html/Amps/2008-06/msg00220.html (8,382 bytes)

31. Re: [Amps] Wire (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Mon, 28 Jul 2008 20:45:52 -0600
Gary, That is a very unique callsign you have ZL2!FB. Do people generally copy it correctly? Doug The water jump is long and the barrier may be high, you might break every bone, but it's so much fun
/archives//html/Amps/2008-07/msg00348.html (8,876 bytes)

32. [Amps] Amp Tubes (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Tue, 14 Oct 2008 08:40:18 -0600
Has there been any problems with amp tubes purchased from Stan, K6WG? Doug _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/li
/archives//html/Amps/2008-10/msg00065.html (6,160 bytes)

33. Re: [Amps] SB-200 on Six Meters (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Wed, 05 Nov 2008 20:21:26 -0600
Can you suggest the best method to do the conversion? Doug --Original Message-- Thanks Jim for the pitch, but I have decided not to deal with Sb-200 conversions any longer. Though they do work "OK" I
/archives//html/Amps/2008-11/msg00034.html (7,238 bytes)

34. Re: [Amps] Plate choke resonance and safe operation (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Sun, 07 Dec 2008 15:11:17 -0600
Just curious as to why you did not choose to use an Ameritron plate choke? I would think that the Ameritron choke would be safe on the ham bands, and they weren't that expensive at Dayton 2008. Doug
/archives//html/Amps/2008-12/msg00150.html (9,971 bytes)

35. Re: [Amps] pole transformer (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Sun, 01 Feb 2009 12:02:34 -0600
Jim, Just what are the hazards you are referring to? Please share some details of what the hazard is of an oil containing PCBs in a sealed container such as a transformer or capacitor. Doug Life is n
/archives//html/Amps/2009-02/msg00013.html (7,610 bytes)

36. Re: [Amps] pole transformer (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Mon, 02 Feb 2009 11:59:57 -0600
This is a MSDS of PCB. It doesn't answer my question. Someone want to have a go at my question? Doug Life is not a spectator sport. == Hazards Identification == Routes of Entry: Inhalation:YES Skin:Y
/archives//html/Amps/2009-02/msg00031.html (12,892 bytes)

37. Re: [Amps] Glitch Resistor (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Mon, 02 Feb 2009 20:36:58 -0600
Some Emtron amps use 4 or 5 or 6 x 100 ohm 15 watt resistors in parallel. Doug Life is not a spectator sport. Just curious (and yes I have read Orr et al)- Why is 50 ohms the (supposed) target value
/archives//html/Amps/2009-02/msg00046.html (10,038 bytes)

38. [Amps] What is the Real Risk with PCBs? (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Tue, 03 Feb 2009 09:35:03 -0600
I need to state first the relevance of discussing PCBs to amps. Most know that older amp parts like oil filled capacitors may contain PCBs, a suspected carcinogen. A Google search, which all can do,
/archives//html/Amps/2009-02/msg00052.html (9,664 bytes)

39. Re: [Amps] caps across rectifier diodes (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Mon, 02 Mar 2009 11:51:32 -0600
My Ameritron amp diode board with 1N5408 diodes has .01M 1KV caps across them. Doug The train doesn't stop here anymore. No, modern diodes don't need or want resistors or capacitors across them. 73 G
/archives//html/Amps/2009-03/msg00058.html (8,232 bytes)

40. Re: [Amps] caps across rectifier diodes (score: 1)
Author: Doug Renwick <ve5ra@sasktel.net>
Date: Mon, 02 Mar 2009 19:32:16 -0600
If a 1N5408 diode is considered a modern diode, then why does Ameritron go to the added expense of adding .01M 1KV caps across each diode? Doug The train doesn't stop here anymore. __________________
/archives//html/Amps/2009-03/msg00089.html (7,796 bytes)

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