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Total 132 documents matching your query.

61. Re: [Amps] B&W PT-2500A on 10m? (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Wed, 02 Apr 2014 17:06:43 -0400
I bought a Viewstar PT-2500A for my father and he still uses it. I like the "instant on", 100W drive gets around 1400 out and down the road it'll come to me & I'll add on a remote QSK unit. Its a nic
/archives//html/Amps/2014-04/msg00021.html (10,406 bytes)

62. [Amps] 3-500Z pin comes unsoldered (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Tue, 13 May 2014 13:33:30 -0400
My dad's PT2500 has a problem where one of the 3-500 pins gets hot enough it unsolders. I'm going to have a look at it & am thinking maybe there's a poor connection on that pin/clip but maybe its som
/archives//html/Amps/2014-05/msg00078.html (6,922 bytes)

63. Re: [Amps] 3-500Z pin becomes unsoldered (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Wed, 14 May 2014 19:57:25 -0400
Gentlemen, I have received so many thoughtful responses to this question, most of the answers relating to pin contact but other important suggestions as well. This amp does have forced air with the a
/archives//html/Amps/2014-05/msg00094.html (8,040 bytes)

64. Re: [Amps] 3-500Z pin becomes unsoldered (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 18 May 2014 11:58:29 -0400
Gentlemen, A follow-up, My father W1BML, age 97 became a SK yesterday. He was unable to be on the radio for the last several weeks and I had hoped to have his amp fixed and him to take a turn for the
/archives//html/Amps/2014-05/msg00109.html (10,001 bytes)

65. [Amps] 77D fan care & feeding (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Thu, 02 Oct 2014 16:33:12 -0400
Before I start disassembling to look for an oiling access, is there any care & feeding for the fan motor in my Alpha 77D series? Thanks, Gary KA1J -- This email is free from viruses and malware becau
/archives//html/Amps/2014-10/msg00004.html (6,649 bytes)

66. Re: [Amps] pre-distortion (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 19 Oct 2014 08:44:39 -0400
Brilliant people not seeing the bigness of future markets is common enough. My father, SK this last May, retired as the principal engineer for General Dynamics, Electric Boat, his ability to design n
/archives//html/Amps/2014-10/msg00180.html (9,357 bytes)

67. Re: [Amps] Solid State Amps (or rather the NCL-2000...) (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 19 Oct 2014 14:27:12 -0400
Manfred, I use the Bose QC-15 noise cancelling headset for the same reason. Now-a-days there must be other excellent less expensive active circuit noise cancelling headphones that work as well. There
/archives//html/Amps/2014-10/msg00193.html (9,401 bytes)

68. Re: [Amps] AL1200 on AM - max carrier? (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Thu, 30 Oct 2014 09:05:27 -0400
One thing for sure, run it at the CW setting, use the lower KV setting and you will run far cooler for a given KW out. 73, Gary KA1J _______________________________________________ Amps mailing list
/archives//html/Amps/2014-10/msg00249.html (7,397 bytes)

69. Re: [Amps] Alpha Input SWR (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sat, 10 Jan 2015 15:45:25 -0500
Hardy, I'm also driving an old Alpha but don't know how similar our amplifier input circuitry is. I too have a K3 with internal tuner. I have no aftermarket tuner in line and at the antenna end, have
/archives//html/Amps/2015-01/msg00021.html (13,203 bytes)

70. Re: [Amps] The genius of ham radio (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Mon, 12 Jan 2015 14:21:59 -0500
I think the genius of ham radio is an individual expectation and other opinions often appear as a chimera. It's all in what you see the definition as fulfilling. Some people require absolute precisio
/archives//html/Amps/2015-01/msg00050.html (10,587 bytes)

71. Re: [Amps] High Voltage Wire (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Tue, 20 Jan 2015 17:41:45 -0500
If Spark Plug wire is what you're going with, ask for Tractor spark plug wire, solid copper & 7mm, I bought mine some at Auto Zone. 8MM is available from NAPA. Off topic but related to resistive plug
/archives//html/Amps/2015-01/msg00186.html (10,253 bytes)

72. Re: [Amps] Topband: Elimination of Treadmill RFI on 160 meters (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Wed, 28 Jan 2015 01:43:55 -0500
I have two Astron power supplies; a VS-35M & a RS-35M. The RS-35M has stopped working & I have to track down that issue. While I'm in there, are there any known mods I should do to either of these? S
/archives//html/Amps/2015-01/msg00331.html (9,355 bytes)

73. Re: [Amps] Astron Power Supply replies (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Wed, 28 Jan 2015 21:50:15 -0500
Gentlemen, Thank you all so much for the replies regarding upgrades, suggestions and green wire dealings with my two Astron power supplies. The only reason I asked that here was the mention of the gr
/archives//html/Amps/2015-01/msg00351.html (9,802 bytes)

74. Re: [Amps] Arctic Silver with and without silver (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Thu, 05 Feb 2015 13:15:13 -0500
One of the issues that brought Arctic Silver 5 out of favor with overclockers is it's ability to conduct electricity; sloppy application can result in shorts to the chips being cooled. Ceramique by A
/archives//html/Amps/2015-02/msg00069.html (8,518 bytes)

75. Re: [Amps] Astron Power Supply replies (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Wed, 11 Feb 2015 00:07:44 -0500
Follow-up, I ordered a set of 10 Motorola MC1723CP which cross reference to the stock LM723CN the Astron uses, on Ebay, for all of $5.25 shipped from this seller: http://tinyurl.com/ozwdjhr This was
/archives//html/Amps/2015-02/msg00090.html (9,466 bytes)

76. [Amps] OT - Microwave oven diodes (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sat, 04 Apr 2015 15:15:33 -0400
My regrets to ask something much OT but I'm guessing the answer I need likely will be be from within this group. My Panasonic Microwave oven stopped working last night. There was nothing unusual the
/archives//html/Amps/2015-04/msg00031.html (7,906 bytes)

77. Re: [Amps] OT - Microwave oven diodes (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sat, 04 Apr 2015 19:57:56 -0400
Thank you all for the replies, I'm going to follow the suggestions, I have several good power sources that will surely work well. Nice to be able to get advice! 73, Gary KA1J -- This email has been c
/archives//html/Amps/2015-04/msg00033.html (9,447 bytes)

78. Re: [Amps] Arctic Silver (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 12 Apr 2015 14:17:52 -0400
As I remember from my first days with Arctic Silver, the secret used to be that you would "lap" the mating surfaces through various methods. The most popular was to use a flat piece of glass and prog
/archives//html/Amps/2015-04/msg00085.html (8,477 bytes)

79. Re: [Amps] Amps Digest, Vol 148, Issue 15 (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Sun, 12 Apr 2015 17:19:24 -0400
Back when to me, there was an advantage to overclock my computer as much as possible while not throwing errors, I used water cooling using what was called a "Cascade" impingement block from it's make
/archives//html/Amps/2015-04/msg00088.html (8,909 bytes)

80. Re: [Amps] Time for New Power Meter (score: 1)
Author: "Gary Smith" <Gary@ka1j.com>
Date: Tue, 28 Apr 2015 17:32:32 -0400
2nd that. I have one and it's very nice. If you do it as a kit, you can sort of experience the golden age of DIY ham radio. 73, Gary KA1J _______________________________________________ Amps mailing
/archives//html/Amps/2015-04/msg00177.html (14,116 bytes)

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