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41. RE: [BULK] - [Amps] NCL 2000? (score: 1)
Author: rlm <r@somis.org>
Date: Wed, 1 Oct 2003 03:37:44 -0700
? On SSB. running grid current with 4cx250Bs substantially increases the chances of one getting tarred and feathered at the next Ham swap meet. _______________________________________________ Amps m
/archives//html/Amps/2003-10/msg00013.html (7,793 bytes)

42. Re: [Amps] Soft 8877??? (score: 1)
Author: R.Measures <r@somis.org>
Date: Mon, 6 Oct 2003 19:55:55 -0700
If the P-out is ok on the lowest band, there could be a problem with the bandswitch's L-contacts. If the 40m L-contact is intact and the P-out on 80m and 160m is low, the problem could be in the Tun
/archives//html/Amps/2003-10/msg00058.html (8,505 bytes)

43. Re: [Amps] Soft 8877??? (score: 1)
Author: R.Measures <r@somis.org>
Date: Tue, 7 Oct 2003 09:13:14 -0700
** If either the Tune or Load control is at an end stop when P-out peaks, there is usually a bandswitch problem. - R.L. Measures/Rich..., AG6K, 805.386.3734, www.somis.org __________________________
/archives//html/Amps/2003-10/msg00061.html (8,332 bytes)

44. Re: [Amps] TS430 and the 91b (score: 1)
Author: R.Measures <r@somis.org>
Date: Thu, 9 Oct 2003 05:54:55 -0700
** The power level adjustment on the TS-430S is internal. ** One way to control an amplifier from a TS-430S is to use the "RL" output (+12v on TX) on the Accessory jack to T/R-switch the amplifier.
/archives//html/Amps/2003-10/msg00072.html (8,306 bytes)

45. [Amps] Feedback-Capacitance (score: 1)
Author: R.Measures <r@somis.org>
Date: Fri, 10 Oct 2003 06:21:25 -0700
Feedback-C, a.k.a. anode-grid C - in grid-driven tetrodes, and anode-cathode C in G-G triodes - is something I rarely see mentioned. Is it not important? - R.L. Measures/Rich..., AG6K, 805.386.3734,
/archives//html/Amps/2003-10/msg00081.html (6,659 bytes)

46. Re: [Amps] Conditioning Spare Tubes After Storage (score: 1)
Author: R.Measures <r@somis.org>
Date: Sun, 12 Oct 2003 05:39:53 -0700
? Even for a gassy tetrode with handles, I have never found one that would magikly get mo' betta by operating the filament. The bottom-line seems to be: if there's gas, you'd better pass. However, i
/archives//html/Amps/2003-10/msg00090.html (8,075 bytes)

47. Re: [Amps] AL-1200 Pop/Arching, 756 Pro II failure (score: 1)
Author: R.Measures <r@somis.org>
Date: Sun, 12 Oct 2003 05:52:01 -0700
? I have heard reports of this too. It seems to me that the diameter of the conductors selected for Ameritron tank inductors needs to be greater in order to reduce I^2 x R loss. Also, adding a cooli
/archives//html/Amps/2003-10/msg00091.html (8,739 bytes)

48. Re: [Amps] Best place/type 3-500Z tube ? (score: 1)
Author: R.Measures <r@somis.org>
Date: Sun, 12 Oct 2003 07:03:08 -0700
? Is there a problem with the original tubes? - R.L. Measures/Rich..., AG6K, 805.386.3734, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://l
/archives//html/Amps/2003-10/msg00103.html (7,735 bytes)

49. Re: Fw: [Amps] Conditioning Spare Tubes After Storage (score: 1)
Author: R.Measures <r@somis.org>
Date: Mon, 13 Oct 2003 07:58:15 -0700
Was the 10+ minute warmup time for a heater-type cathode or for a thoriated-tungsten type cathode? - R.L. Measures/Rich..., AG6K, 805.386.3734, www.somis.org _________________________________________
/archives//html/Amps/2003-10/msg00116.html (8,426 bytes)

50. Re: [Amps] SB220 - no power output problem (score: 1)
Author: rlm <r@somis.org>
Date: Mon, 13 Oct 2003 15:34:07 -0700
Bart-- I would start by checking the bandswitch L contacts for continuity on the problematic bands. On Wednesday, October 1, 2003, at 08:22 AM, 2 wrote: Begin forwarded message: From: "Bart Ritchie (
/archives//html/Amps/2003-10/msg00117.html (9,804 bytes)

51. Re: [Amps] Titan 425: High SWR on 28 MHZ (score: 1)
Author: rlm <r@somis.org>
Date: Tue, 14 Oct 2003 06:58:09 -0700
The 10m tuned input of the Titan 425 needs to be reworked to raise the Q (from around 0.6 to around 2) if it driven with other than a Ten Tec radio. Another solution is to use a tuner after the radio
/archives//html/Amps/2003-10/msg00132.html (8,530 bytes)

52. Re: [Amps] AMP RATING FOR HEC CERAMIC CAPS (score: 1)
Author: rlm <r@somis.org>
Date: Tue, 14 Oct 2003 07:12:33 -0700
On Monday, October 13, 2003, at 02:56 PM, PAUL HEWITT wrote: Hi Norman You didn't spec a frequency. This may get you close, http://www.rfparts.com/caps.html#doorknob Or e-mail HEC at the link on this
/archives//html/Amps/2003-10/msg00133.html (9,749 bytes)

53. [Amps] Wanted to buy: Svetlana 4cx10000J (score: 1)
Author: R.Measures <r@somis.org>
Date: Tue, 14 Oct 2003 08:41:27 -0700
Either new or a Dud. Also need SK1306 chimney. - R.L. Measures/Rich..., AG6K, 805.386.3734, www.somis.org _______________________________________________ Amps mailing list Amps@contesting.com http://
/archives//html/Amps/2003-10/msg00134.html (6,237 bytes)

54. Re: [Amps] K8CU High Voltage Breakdown Tester - A RecommendedModification (score: 1)
Author: rlm <r@somis.org>
Date: Wed, 15 Oct 2003 07:40:12 -0700
On Tuesday, October 14, 2003, at 10:55 AM, Dennis12Amplify@aol.com wrote: Joe, Skip, Rich, ET. al...., Please 'critique' the following and see if I am wrong in any of my statements. PS. I also do not
/archives//html/Amps/2003-10/msg00137.html (10,382 bytes)

55. Re: [Amps] Titan 425: High SWR on 28 MHZ (score: 1)
Author: rlm <r@somis.org>
Date: Wed, 15 Oct 2003 08:09:21 -0700
On Wednesday, October 15, 2003, at 03:22 AM, John Bohnovic wrote: At 09:58 AM 10/14/03, rlm wrote: The 10m tuned input of the Titan 425 needs to be reworked to raise the Q (from around 0.6 to around
/archives//html/Amps/2003-10/msg00143.html (9,112 bytes)

56. Re: Fw: Re: Fw: [Amps] Conditioning Spare Tubes After Storage (score: 1)
Author: rlm <r@somis.org>
Date: Wed, 15 Oct 2003 08:23:32 -0700
On Tuesday, October 14, 2003, at 11:45 AM, skipp isaham wrote: Hi Dave, The reason for the "warm up time" is not detailed in the paperwork I saw/read. For tubes without an ion-pump, the reason is aki
/archives//html/Amps/2003-10/msg00144.html (8,499 bytes)

57. Re: [Amps] a BANG in the AMP ? (score: 1)
Author: rlm <r@somis.org>
Date: Sat, 18 Oct 2003 13:00:58 -0700
On Saturday, October 18, 2003, at 04:52 AM, ON4MA Marc wrote: When a switched on the commander 2500 a loud bang whas heard somewhere in the rfdeck. The main fuse from the shack was out ! I got this a
/archives//html/Amps/2003-10/msg00169.html (8,702 bytes)

58. Re: [Amps] Ionized Gas in the Tube (score: 1)
Author: rlm <r@somis.org>
Date: Tue, 21 Oct 2003 03:49:48 -0700
Correct. The anode insulator ring of tetrodes with handles also glows blue due to impact of electrons that miss the anode. This phenomenon is seldom seen because the standard chimney is opaque and My
/archives//html/Amps/2003-10/msg00200.html (10,629 bytes)

59. Re: [Amps] Drake L4-B for 6 meters ? (score: 1)
Author: rlm <r@somis.org>
Date: Tue, 21 Oct 2003 03:52:16 -0700
** The Tune-C probably needs to be closer to the tubes for 6m, On Monday, October 20, 2003, at 12:51 PM, Jack Colson wrote: I wonder if anyone has converted the Drake L4B for 6 meters. Its basic cons
/archives//html/Amps/2003-10/msg00201.html (7,573 bytes)

60. Re: [Amps] Zener Diode needed (score: 1)
Author: rlm <r@somis.org>
Date: Tue, 21 Oct 2003 04:07:48 -0700
** A string of fwd-biased cheapo 3a rectifiers will survive a 200a surge - such as a HV flashover. A 50w zener will not. Also, zeners do not provide adjustable V and diode strings semi-do. On Monday,
/archives//html/Amps/2003-10/msg00202.html (8,289 bytes)


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