- 101. [AMPS] Putting SB-200 on 160M- Correction (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Mon, 22 Nov 1999 16:25:04 -0500
- I found it, the article is in QST Sept. 79 issue page 17 Mark WB8JKR ___________________________________________________________________ Get the Internet just the way you want it. Free software, free
- /archives//html/Amps/1999-11/msg00439.html (8,018 bytes)
- 102. [AMPS] Big Radios.... (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Thu, 14 Oct 1999 18:09:29 -0400
- Holy shit......... Mark WB8JKR ___________________________________________________________________ Get the Internet just the way you want it. Free software, free e-mail, and free Internet access for
- /archives//html/Amps/1999-10/msg00473.html (7,986 bytes)
- 103. [AMPS] Drake L4B Power Switch (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Mon, 20 Sep 1999 11:31:39 EDT
- I wonder if a rocker switch off a SB-220 or SB-200 would work? Mark WB8JKR ___________________________________________________________________ Get the Internet just the way you want it. Free software
- /archives//html/Amps/1999-09/msg00185.html (8,191 bytes)
- 104. [AMPS] Maxwell HV caps (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Wed, 25 Aug 1999 15:56:24 EDT
- I used two of those caps in a 3500 VDC supply for 12 years with no problems, if they are the same caps they were used in defib machines. The caps I have are rated at 35 Ufd at 6 KV and are about 4" s
- /archives//html/Amps/1999-08/msg00308.html (8,349 bytes)
- 105. [AMPS] 572b's as a robust oscillator (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Sat, 24 Jul 1999 15:48:50 EDT
- 8000pf and .1 uH on 1.8 Mhz??!!!!!!!!! Mark WB8JKR ___________________________________________________________________ Get the Internet just the way you want it. Free software, free e-mail, and free
- /archives//html/Amps/1999-07/msg00443.html (7,495 bytes)
- 106. [AMPS] Bias for SB-220 (score: 1)
- Author: wb8jkr@juno.com (wb8jkr@juno.com)
- Date: Tue, 1 Jun 1999 21:41:16 EDT
- This is true, but if you place a high value resistor acrossed the switching transistor to allow about 5 ma or so of Idle current in standby and place a 10 to 25 ufd capacitor acrossed the switching t
- /archives//html/Amps/1999-06/msg00016.html (9,844 bytes)
- 107. [AMPS] measuring meter shunt resistance (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Fri, 18 Jun 1999 05:46:50 EDT
- Take a low voltage supply on the order of 12 volts or so and tie it to the shunt through a couple hundred ohms, measure the current draw through and voltage drop across the shunt and apply ohm's law.
- /archives//html/Amps/1999-06/msg00520.html (9,392 bytes)
- 108. [AMPS] Resoldering 3-500Z Filament Pins ?? (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Thu, 01 Apr 1999 20:16:16 EST
- 600 V? More like 2400 Volts! <G> Mark WB8JKR SNIP ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely
- /archives//html/Amps/1999-04/msg00023.html (9,707 bytes)
- 109. [AMPS] Heath HA-14 Mobile AMP?? (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Sun, 11 Apr 1999 19:03:05 EDT
- I'm not positive, but I think the HA-14 is basically a SB-200 without the power supply. Mark WB8JKR On Sun, 11 Apr 1999 23:05:16 +0100 W7CW Jay E Ostrem <wc7m@vcn.com> writes: _______________________
- /archives//html/Amps/1999-04/msg00234.html (8,279 bytes)
- 110. [AMPS] Properties of nylon? (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Thu, 04 Mar 1999 15:59:38 EST
- Very poor. Mark WB8JKR ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at h
- /archives//html/Amps/1999-03/msg00092.html (7,682 bytes)
- 111. [AMPS] CW amplifier progress (well, daydream progress) -- lon g (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Tue, 16 Mar 1999 19:13:49 EST
- Although I do understand what you mean, if you just turn on the amp when you turn on the rig there is no problem, so the issue isn't that one NEEDS instant on, but that one WANTS instant on. Personal
- /archives//html/Amps/1999-03/msg00353.html (9,724 bytes)
- 112. [AMPS] Cantenna Dummy loads (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Wed, 03 Feb 1999 15:55:14 EST
- Well, I have two cantennas and have run both of them at 2KW without any problems with SWR shift BUT I've never left it key down more than about 1 minute continuous. Both use transformer oil. I did bu
- /archives//html/Amps/1999-02/msg00116.html (11,212 bytes)
- 113. [AMPS] Metalworking Questions (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Fri, 05 Feb 1999 19:58:12 EST
- I was going to ask if he had anything to do with Steppenwolf. <G> Mark WB8JKR On Fri, 5 Feb 1999 17:23:22 -0500 "Gilmer, Mike" <mgilmer@gnlp.com> writes: _____________________________________________
- /archives//html/Amps/1999-02/msg00195.html (10,817 bytes)
- 114. [AMPS] Cure for "Monitor Ripple" from Amp's PS ? (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Mon, 15 Feb 1999 04:50:03 EST
- Its the field of flux from the power transformer, I think the only cure it going to be to move your monitor. Mark WB8JKR ___________________________________________________________________ You don't
- /archives//html/Amps/1999-02/msg00394.html (9,747 bytes)
- 115. [AMPS] isolation question (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Mon, 15 Feb 1999 11:32:25 EST
- Probably, about 30-40 KV DC maximum. (on paper) Mark WB8JKR On Mon, 15 Feb 1999 12:09:18 +0100 "Johan Nordin" <sm3uzs@telia.com> writes: ______________________________________________________________
- /archives//html/Amps/1999-02/msg00405.html (8,650 bytes)
- 116. [AMPS] Half missing replies? (score: 1)
- Author: wb8jkr@juno.com (wb8jkr@juno.com)
- Date: Fri, 19 Feb 1999 05:49:40 EST
- I've noticed over the last 2 or 3 weeks that any message that Rich replies to contains the quoted text but his text isn't there at all. Anyone else having this problem? I don't notice it with anyone
- /archives//html/Amps/1999-02/msg00495.html (7,407 bytes)
- 117. [AMPS] Half missing replies? (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Fri, 19 Feb 1999 20:38:13 EST
- I just saw a reply from him and it appeared ok, first time in quite some time. Heck, I don't know............ Mark WB8JKR On Fri, 19 Feb 1999 18:56:43 "Phil T. (VE3OZZ)" <phil@vaxxine.com> writes: __
- /archives//html/Amps/1999-02/msg00513.html (9,553 bytes)
- 118. [AMPS] resistors (score: 1)
- Author: wb8jkr@juno.com (wb8jkr@juno.com)
- Date: Sat, 20 Feb 1999 07:06:25 EST
- Last time I did this I used a piece of an old fiberglass fishing rod (the large end) and ran it through the resistors leaving about 3/4" extending on each end and then clamped the ends onto standoffs
- /archives//html/Amps/1999-02/msg00524.html (9,465 bytes)
- 119. [AMPS] 8877 ???? (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Sun, 28 Feb 1999 14:40:20 EST
- I'm pretty sure for 1500 watts at sea level the 8877 requires 35 CFM at about .4" of water. Mark WB8JKR ___________________________________________________________________ You don't need to buy Inter
- /archives//html/Amps/1999-02/msg00702.html (7,882 bytes)
- 120. [AMPS] Rapid Warmup Indirectly Heated Cathode Tubes (score: 1)
- Author: wb8jkr@juno.com (Mark S Graalman)
- Date: Mon, 11 Jan 1999 05:32:55 EST
- I've often wondered if it would be possible to leave the filament at say 1 1/2 - 2 volts even when the amp is off, and if doing so would cut out a large portion of the warm up time. If the tube could
- /archives//html/Amps/1999-01/msg00139.html (10,061 bytes)
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