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References: [ +from:w7ry@centurytel.net: 284 ]

Total 284 documents matching your query.

41. Re: [Amps] High Temp Silicon Rubber -- Where to buy? (score: 1)
Author: "W7RY" <w7ry@centurytel.net>
Date: Mon, 30 Oct 2006 17:24:14 -0800
What is it made of? What does it look like? What is it used for in the plumbing trade? Jim W7RY --Original Message-- From: Gudguyham@aol.com [mailto:Gudguyham@aol.com] Sent: Monday, October 30, 2006
/archives//html/Amps/2006-10/msg00313.html (8,314 bytes)

42. Re: [Amps] Prmetheus (score: 1)
Author: "W7RY" <w7ry@centurytel.net>
Date: Thu, 23 Nov 2006 17:45:02 -0800
And according to the info that power specification is INPUT. So the output will be roughly 1500 watts. As Tom says, 1500 watts key down, 1500 watts carrier and 1500 watts PEP and 1500 watts CW. 73 Ji
/archives//html/Amps/2006-11/msg00254.html (7,357 bytes)

43. Re: [Amps] 3-500 sockets (score: 1)
Author: "W7RY" <w7ry@centurytel.net>
Date: Sun, 10 Dec 2006 18:25:18 -0800
Sure. Just swap them out with a grid pin. Or better to replace the pin or socket. If you do attempt to drill out the rivets holding the pin, be VERY careful! You can break the socket. I know, I did t
/archives//html/Amps/2006-12/msg00061.html (7,999 bytes)

44. Re: [Amps] 3CX800A7 Grid Current Problem (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 25 Jan 2012 18:46:43 -0800
Carl... How would just re-winding the core fix anything? Please explain? Thanks 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesti
/archives//html/Amps/2012-01/msg00210.html (9,226 bytes)

45. Re: [Amps] HD HF amplifier recommendations (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Wed, 8 Feb 2012 18:10:15 -0800
You mean 1KW input which was the law in the 70s. That is 600 watts out at 60% efficency. 73 Jim W7RY _______________________________________________ Amps mailing list Amps@contesting.com http://list
/archives//html/Amps/2012-02/msg00071.html (7,777 bytes)

46. Re: [Amps] TenTec Titan 425 Idle Grid Current (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 25 Sep 2012 20:07:37 -0700
Not normal. You have a problem somewhere. 73 Jim W7RY I noticed today on my TenTec Titan 425 that the grid idle current is around 7 or 8mA on the Ig meter. I see this on the amp when I key my TS930S
/archives//html/Amps/2012-09/msg00295.html (8,283 bytes)

47. [Amps] QSK For an Alpha Amp (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Tue, 2 Oct 2012 13:00:21 -0700
Someone on the list emailed me privately about adding QSK to an Alpha 89. I Cant find your email. Please send me your questions again. Sorry. Thanks! 73 Jim W7RY _____________________________________
/archives//html/Amps/2012-10/msg00008.html (6,927 bytes)

48. Re: [Amps] Odd Problem with SB-201 (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 6 Oct 2012 08:48:28 -0700
Your new choke system is probably resonate on or near 40 meters. Did you measure it? Remove it and return the plate circuit to stock and repeat the test. As to your soft key... What happens when you
/archives//html/Amps/2012-10/msg00034.html (9,537 bytes)

49. Re: [Amps] preserving tubes (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 6 Oct 2012 08:51:10 -0700
I know where your going Bill.... I agree! The fact that the tubes are vacuum packed makes NO difference in weather the tube has gas! It takes a minute amount of gas to make a tube "gassy"! Nothing a
/archives//html/Amps/2012-10/msg00035.html (9,217 bytes)

50. Re: [Amps] QSK on the cheap AND Parasitic (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 6 Oct 2012 09:36:09 -0700
The biggest issue for QSK is the exciter. Does it produce RF before the relay line is switched? (The Icom IC-7000 is one offender). How long is the relay line active before the rig starts to put our
/archives//html/Amps/2012-10/msg00037.html (11,511 bytes)

51. Re: [Amps] 300 W single band mobile amp needed (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 8 Oct 2012 13:15:25 -0700
Its not a standard car of truck. Were talking a MOTORCYCLE !!! How much separation could you get? 1 foot? 18 inches? 73 Jim W7RY --Original Message-- From: Hal W5GHZ Sent: Monday, October 08, 2012 11
/archives//html/Amps/2012-10/msg00064.html (14,814 bytes)

52. Re: [Amps] AL-1200 plate circuit conductor source/substitute? (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 12 Oct 2012 06:40:42 -0700
Save yourself some time a trouble. Buy a new choke from Ameritron/MFJ or RF Parts. There only $25.00. They are would with an odd conductor size. I tried to re-wind one and could not get the resonance
/archives//html/Amps/2012-10/msg00075.html (9,571 bytes)

53. Re: [Amps] AL1200 follow-up (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 13 Oct 2012 07:20:05 -0700
Glad you ordered the parts. That is an older amplifier. The newer ones are built slightly different.. That "copper" plated plumbers tape for the anode connector is not stock! And it's WAY TO CLOSE to
/archives//html/Amps/2012-10/msg00083.html (9,136 bytes)

54. [Amps] 3-500 Filament Voltage Again (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 13 Oct 2012 10:42:18 -0700
Folks... A great link about filament voltage discussion and measurements. I must have missed the filament voltage discussion one of the current QST editions. http://www.w8ji.com/filament_voltage_life
/archives//html/Amps/2012-10/msg00084.html (7,122 bytes)

55. Re: [Amps] AL-1500 filter caps (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Thu, 18 Oct 2012 06:59:38 -0700
I just installed on of these into my AL82: http://home.earthlink.net/~wd7s/hv-2.htm I had to drill some new holes, and make a mod or two to the new board, but works great! I also installed one of my
/archives//html/Amps/2012-10/msg00104.html (10,969 bytes)

56. [Amps] Great Transformer Discussion! (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sun, 21 Oct 2012 16:05:37 -0700
A great video discussion of transformer design. The actual discussion takes place about 7 minuets into the video. http://arvideonews.com/hrn/HRN_Episode_0028.html Or episode 28 of: http://arvideonews
/archives//html/Amps/2012-10/msg00109.html (6,786 bytes)

57. Re: [Amps] Question re GU-74B grid current (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Mon, 22 Oct 2012 21:39:01 -0700
WOW! What a line of.... I bet the 4CX1600 was the best thing going too? Now that they are TOTALLY not available anymore. I tried to build an amp out of a pair of them... One tube shorted. Before it d
/archives//html/Amps/2012-10/msg00122.html (15,925 bytes)

58. Re: [Amps] Vacuum relay replacement (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 26 Oct 2012 20:43:57 -0700
The RJ1A-26N969 are slightly quieter but are very hard to find. Max Gain Systems has them once and a while. But seldom. You dont need higher voltage. If you need 5KV at 1500 watts, your either "runni
/archives//html/Amps/2012-10/msg00172.html (9,419 bytes)

59. Re: [Amps] NEW Tail Twister Rotator (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Fri, 2 Nov 2012 13:29:16 -0700
Then why is it $599.00 on EBay. And why is this on the amps reflector? Sounds like a BIG scam to me! 73 Jim W7RY --Original Message-- From: w8hw@att.net Sent: Friday, November 02, 2012 11:41 AM To: a
/archives//html/Amps/2012-11/msg00004.html (8,614 bytes)

60. [Amps] Drake L4B and L7 QSK Board (score: 1)
Author: "Jim W7RY" <w7ry@centurytel.net>
Date: Sat, 3 Nov 2012 12:18:22 -0700
The Drake L4B and L7 QSK Boards are here! EBay item number 281016230575 Or http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=281016230575 Thanks and 73! Jim W7RY ____________________________________
/archives//html/Amps/2012-11/msg00021.html (6,908 bytes)

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