Search String: Display: Description: Sort:

Results:

References: [ +from:crawfish@surfmore.net: 37 ]

Total 37 documents matching your query.

21. Re: [Amps] 6146's (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Mon, 8 Aug 2005 20:06:31 -0500
Glen Zook, K9STH, has info on the 6146 family of tubes on his web site. In some cases, 6146B's will not work for 6146A's. The 6146W is the ruggedized 6146(found in lots of military gear). Joe W4AAB -
/archives//html/Amps/2005-08/msg00311.html (7,902 bytes)

22. Re: [Amps] In need of a Delay Tube (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Fri, 23 Sep 2005 12:02:44 -0500
The 60 refers to numbers of seconds before relay closes, so the N090 would be a longer delay. Joe W4AAB -- Original Message -- From: "Larry Carman" <lncarman@swbell.net> To: <amps@contesting.com> Sen
/archives//html/Amps/2005-09/msg00311.html (9,106 bytes)

23. Re: [Amps] How about this furnace? (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 1 Jan 2006 01:17:07 -0600
Wonder if it will be "sold only to hams"? Joe W4AAB -- Original Message -- From: "Mike Sawyer" <w3slk@uplink.net> To: "Robert Chudek" <k0rc@pclink.com>; <amps@contesting.com> Sent: Sunday, January 01
/archives//html/Amps/2006-01/msg00004.html (8,657 bytes)

24. Re: [Amps] How about this furnace? (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 1 Jan 2006 16:53:46 -0600
We don't need no stinkin' state/government agency doing our communicating, senor!! I believe that if we were cut back to NMT 500 watts out, that would be enough for anything. I wonder sometimes why t
/archives//html/Amps/2006-01/msg00021.html (9,706 bytes)

25. Re: [Amps] How about this furnace? (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 1 Jan 2006 18:49:36 -0600
I didn't doubt that he was a ham( I checked it out myself). I just question someone going to the evilbay and selling something that he could have advertised on ham reflectors. Too many people will se
/archives//html/Amps/2006-01/msg00033.html (10,652 bytes)

26. Re: [Amps] How about this furnace? (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 1 Jan 2006 20:00:34 -0600
Have done the first three with 500 or less, the last one, I wait on them to drink themselves to death or work on their amps while inebriated. Cleans the gene pool that way. If the guy runs it legal,
/archives//html/Amps/2006-01/msg00039.html (12,225 bytes)

27. Re: [Amps] How about this furnace? (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Tue, 3 Jan 2006 20:11:08 -0600
I knew a guy from North AL( recent SK) that would get one of his buddies who had a better station to phone patch him in to the latest DX station. Echolink before Echolink :-). Stayed on the Honor Rol
/archives//html/Amps/2006-01/msg00160.html (11,216 bytes)

28. Re: [Amps] AM-495 (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Mon, 20 Feb 2006 19:23:44 -0600
The AM-8 was for 6 meters, wasn't it, Bill? I had a AM-495/GR. It was for 6 or 10m.I sold it long time ago. Always wanted another. I have seen an AM-494 for 2m. I found an AM-8/TRA-1 in IN last summe
/archives//html/Amps/2006-02/msg00367.html (8,146 bytes)

29. Re: [Amps] Trichloroethene (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Thu, 16 Mar 2006 20:14:48 -0600
MEK is some bad stuff. Government stopped using it after worker died of liver failure believed to have been caused by extensive use of it.This was at Red River Army Depot in Texas in the mid-"70's. T
/archives//html/Amps/2006-03/msg00479.html (9,904 bytes)

30. Re: [Amps] WLW 500 kW transmitter (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 21 May 2006 09:11:43 -0500
I went by the old VOA site. It is now a county park. Also drove by WLW transmitter. It is right in downtown Mason.Wish my camera had been working a main ______________________________________________
/archives//html/Amps/2006-05/msg00265.html (10,542 bytes)

31. Re: [Amps] WLW 500 kW transmitter (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 21 May 2006 13:20:27 -0500
Last time I was by there, VOA Bethany was still standing(1982). A video of the WLW site would be better than still pictures. It was amazing to see this behemoth tower standing so close to the road(al
/archives//html/Amps/2006-05/msg00267.html (9,475 bytes)

32. Re: [Amps] 70MHz transistor PA, schematics?? (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sat, 1 Jul 2006 21:02:39 -0500
I would imagine that the RSGB VHF-UHF Manuals would have some designs. Joe W4AAB -- Original Message -- From: <wc6w@juno.com> To: <knaap159@zonnet.nl>; <amps@contesting.com> Sent: Saturday, July 01,
/archives//html/Amps/2006-07/msg00033.html (8,831 bytes)

33. Re: [Amps] Hi Mu correction (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Wed, 19 Jul 2006 13:35:32 -0500
I have a couple of 3CX3000F1's which were pulls from vibration shaker amps. What is the lowest HV that one can use on them (and other operating parameters) to keep it at the 1500 watt output level?CP
/archives//html/Amps/2006-07/msg00644.html (9,012 bytes)

34. Re: [Amps] 3cx3000A7 driver (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 23 Jul 2006 13:33:06 -0500
I remember that Natioanl had a transceiver called the NCX-1000, which supposed ran a kW input on SSB. This was before I got into ham radio. Did it really deliver 600 watts output as it should have, a
/archives//html/Amps/2006-07/msg00958.html (13,418 bytes)

35. Re: [Amps] The maximum amount of 811As and 572Bs in parallel (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 23 Jul 2006 13:37:13 -0500
I have an article using 6 of the 811A's in parallel for 160 meters from 73 Magazine, early 1980's. I would imagine the output capacitance of more than 4 would be too much to tune the plate circuit on
/archives//html/Amps/2006-07/msg00959.html (8,176 bytes)

36. Re: [Amps] 3cx3000A7 driver (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 23 Jul 2006 14:23:41 -0500
That was probably the reason National didn't go forth with the NCX-1000. I could forsee a lot of problems keeping RF out of speech circuits, balanced modulators, and the like. Cost of building sturdy
/archives//html/Amps/2006-07/msg00966.html (9,854 bytes)

37. Re: [Amps] 572B grid (score: 1)
Author: "crawfish" <crawfish@surfmore.net>
Date: Sun, 23 Jul 2006 14:26:53 -0500
I don't have the magazine now, but there was an article by a WB2 in Brooklyn who pulled the 811A's and swapped them with 572B's. You could ground the grids rather than run minus 4.5 volts bias, plus
/archives//html/Amps/2006-07/msg00967.html (10,044 bytes)


This search system is powered by Namazu