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41. [AMPS] 4CX1600B Amplifier in new handbook (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 28 Nov 1999 10:18:39 -0800; No...The HF-2500 E uses 3ea 3CX800A7. Not the 4CX1600. Thanks and 73 Jim W7RY writes: their uses with -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administra; /archives//html/Amps/1999-11/msg00533.html (10,398 bytes)
42. [AMPS] Re: Filament Xfmr. (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 3 Oct 1999 10:17:14 -0700; Henry radio runs the filaments in their amplifiers with the filaments in series. There is no center tap on their filament transformers. They use a small choke hooked to the "center" of the 2 tubes. T; /archives//html/Amps/1999-10/msg00063.html (9,845 bytes)
43. [AMPS] VHF and 8122 (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Thu, 7 Oct 1999 20:44:52 -0700; RCA used the 8122 in a 450 MHz commercial 250 watt transmitter..It was in their "Super Basephone" series.... RCA GE and Motorola used the 8072/4657, (the same exact tube without the anode cooler fins; /archives//html/Amps/1999-10/msg00279.html (10,325 bytes)
44. [AMPS] ARD-230 Advanced Radio Devices Amplifer (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sat, 4 Sep 1999 11:59:04 -0700; Hello George......Received the ARD-230 all ok....I have fired it up....The first thing that happened is that the step start resistor blew up !! BIG TIME! I found a wiring error on the terminal strip; /archives//html/Amps/1999-09/msg00020.html (18,968 bytes)
45. [AMPS] Explain This one (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Wed, 4 Aug 1999 17:30:30 -0700; I would bet if you were to do some careful calculations, there would be a resonate circuit on or about 10 meters. The circuit would be formed by the connecting wire and cap leads, and the capacitance; /archives//html/Amps/1999-08/msg00099.html (10,063 bytes)
46. [AMPS] Henry 5K info needed (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 15 Aug 1999 10:42:00 -0700; What can anyone tell me about a Henry 5K amplifier. Plate voltage ? Tubes used ? How do you like it? What kind of power do you get ? Does it cover 160 meters ? Does it use a roller coil tank ? Thanks; /archives//html/Amps/1999-08/msg00264.html (6,883 bytes)
47. [AMPS] ARD-230 Advanced Radio Devices Amplifer (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Fri, 20 Aug 1999 19:01:41 -0700; What if anything can you folks tell me about an ARD-230A amplifier. Any of you ever own one ? Thanks and 73! Jim W7RY -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contestin; /archives//html/Amps/1999-08/msg00287.html (6,752 bytes)
48. [AMPS] fine tuning amp pi-network (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Fri, 2 Jul 1999 18:38:02 -0700; I have done the same thing here......But used it in "reverse". I wanted to find the plate load impedance of an amplifier. (Viewsrtar PT-2500). Tuned the amp on all bands and logged the "dial" setting; /archives//html/Amps/1999-07/msg00017.html (9,833 bytes)
49. [AMPS] In Search Of: The Nearly Perfect T-R Switch (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Mon, 5 Jul 1999 15:55:49 -0700; This is a multi-part message in MIME format. --=_NextPart_000_002C_01BEC6FE.DA4E25E0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable --Original Message-- Fr; /archives//html/Amps/1999-07/msg00076.html (15,330 bytes)
50. [AMPS] In Search Of: The Nearly Perfect T-R Switch (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Tue, 6 Jul 1999 14:59:01 -0700; I have used the Ameritron QSK in a Heathkit SB-1000. The only drawback that I had found is that the MOS FET would short. This happened on way to many occasions. I would consider another Ameritron uni; /archives//html/Amps/1999-07/msg00115.html (11,670 bytes)
51. [AMPS] Nye RFM-003 For Sale (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Wed, 7 Jul 1999 12:24:35 -0700; I have a very nice condition Nye RM-003 3000 watt rf power monitor for sale. With mounting bracket and original box. Works great... $ 375.00 Plus shipping 73 and thanks Jim W7RY 509 466 6972 (home) S; /archives//html/Amps/1999-07/msg00128.html (6,922 bytes)
52. [AMPS] Nye RFM-003 For Sale (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Thu, 8 Jul 1999 00:52:57 -0700; The Nye Meter has been spoken for......Thanks to all......... 73 !! Jim W7RY -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUES; /archives//html/Amps/1999-07/msg00131.html (6,734 bytes)
53. [AMPS] SB-220 Parts needed (Adding 10 meters) (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sat, 24 Jul 1999 22:42:14 -0700; I am in need of the following parts to add 10 meters to an SB-221.......... 2ea (Heath part nbr) 40-964 10&15 meter tuned input coils 1ea " " 40-966 40 meter tuned input coil 1ea tuned input band swi; /archives//html/Amps/1999-07/msg00451.html (7,083 bytes)
54. [AMPS] Svetlana 3CX800A7 (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 25 Jul 1999 12:54:18 -0700; I dont think they are even available yet....Hard to find used tubes if there are no NEW ones.......... RF parts doesn't list them in there price list......... 73 and good luck Jim W7RY -- FAQ on WWW:; /archives//html/Amps/1999-07/msg00454.html (7,855 bytes)
55. [AMPS] Hot Wire Meter Movements vs Cathode Ray Tubes (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Tue, 27 Jul 1999 12:23:43 -0700; I love it !!!!!!!!!! . Thats why the power -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-a; /archives//html/Amps/1999-07/msg00541.html (9,165 bytes)
56. [AMPS] questions about Ameritron AL-811H (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 6 Jun 1999 11:14:27 -0700; The AL811 was designed and sold in the United States. In the United States amateurs are allowed only 250 watts on 10.1 MHz. You should check the power allowed in your country..... 73 Jim W7RY -- FAQ; /archives//html/Amps/1999-06/msg00167.html (9,219 bytes)
57. [AMPS] Circuit Board Maker Wanted (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 6 Jun 1999 14:59:39 -0700; Hello to all....I am searching for someone to make small quantities of single sided circuit boards. The circuit is very small and contains 3 chips and a few ancillary parts..... All I have is a hand; /archives//html/Amps/1999-06/msg00169.html (6,909 bytes)
58. Fw: [AMPS] Henry 1KD5 (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Mon, 7 Jun 1999 19:05:07 -0700; To: <amps@contesting.com> about To: <amps@contesting.com> -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Pr; /archives//html/Amps/1999-06/msg00239.html (9,432 bytes)
59. [AMPS] 3-500Z filament voltage (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Sun, 31 Jan 1999 21:12:54 -0800; I'm sure the Utilities Commission or what ever government board that over-sees the utility companies in your area would like to hear of that attitude......Ever thought of contacting them ?? 73 Jim W7; /archives//html/Amps/1999-02/msg00001.html (11,003 bytes)
60. [AMPS] 8877 @ 50mhz ??? (score: 1): Author: Jim" <jdc@ieway.com (Jim); Date: Mon, 1 Feb 1999 17:11:45 -0800; The broadcast transmitter that I maintain runs a stiff 4000 Vdc on the plate of the 8877. Runs about 1990 watts output..... on 106 MHz All day and all nite...............that is what you call CCS !!; /archives//html/Amps/1999-02/msg00045.html (8,101 bytes)

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